Benzodiazepine Prescribing in Washington
Medicare Part D, 2013–2024.
Benzodiazepine prescribing in Washington fell 24.2% between 2013 and 2024 — a steeper fall than the country as a whole. In 2024 the state recorded 422,277 Medicare Part D benzodiazepine claims across 109,507 patients, an average of 3.86 fills per patient per year, which ranks 46 of 51 states. Lorazepam accounts for 31.3% of it.
Washington over twelve years
Which benzodiazepines Washington prescribes
| Drug | Claims 2024 | Share |
|---|---|---|
| Lorazepam | 132,368 | 31.3% |
| Clonazepam | 113,202 | 26.8% |
| Alprazolam | 107,660 | 25.5% |
| Diazepam | 46,924 | 11.1% |
| Temazepam | 15,385 | 3.6% |
Psychiatric prescribers in Washington
336 psychiatric prescribers in Washington appear in the 2024 Medicare Part D data with benzodiazepine claims. 55 of them recorded at least a 50% fall in benzodiazepine claims since 2019. Sorted by change, largest reduction first.
This is a record, not a recommendation. A fall in Medicare benzodiazepine claims has many possible explanations — a changing patient panel, retirement, a shift to another payer, or simply dropping below the threshold CMS publishes. It does not establish that a prescriber supports tapering, and a low number does not mean they will take you as a patient. Use it as one input, then ask the five vetting questions.
| Prescriber | City | 2019 | 2024 | Change |
|---|---|---|---|---|
| Fereshteh MomeniGeriatric Psychiatry | Medical Lake | 300 | 11 | -96.3% |
| John SlightamPsychiatry & Neurology | Normandy Park | 293 | 11 | -96.2% |
| Robert MulvihillPsychiatry | Spokane | 253 | 11 | -95.7% |
| Stephen BrogdonPsychiatry | Olympia | 208 | 12 | -94.2% |
| Jaime BasnilloPsychiatry | Medical Lake | 173 | 12 | -93.1% |
| Megan GaryPsychiatry | Seattle | 140 | 12 | -91.4% |
| Christopher WilsonPsychiatry | Mill Creek | 289 | 28 | -90.3% |
| Shawn NoorPsychiatry & Neurology | Lakewood | 114 | 12 | -89.5% |
| Rosa EpistolaPsychiatry & Neurology | Tacoma | 176 | 21 | -88.1% |
| Rogelio ZaragozaPsychiatry & Neurology | Tacoma | 93 | 12 | -87.1% |
| Eun ParkPsychiatry | Vancouver | 159 | 21 | -86.8% |
| Heather HelzerPsychiatry | Bellingham | 155 | 22 | -85.8% |
| Gregory BahderPsychiatry | Medical Lake | 481 | 71 | -85.2% |
| Mario SimanganPsychiatry | Medical Lake | 225 | 34 | -84.9% |
| Mary CasonPsychiatry | Spokane | 114 | 18 | -84.2% |
| Sukhinderpal AulakhPsychiatry & Neurology | Tacoma | 117 | 21 | -82.1% |
| Gary WeilPsychiatry & Neurology | Bellevue | 191 | 38 | -80.1% |
| Larry BornsteinPsychiatry | Everett | 63 | 13 | -79.4% |
| Gary LenzaPsychiatry | Bremerton | 118 | 25 | -78.8% |
| George ChappellPsychiatry | Olympia | 71 | 16 | -77.5% |
| Arash MoghaddamPsychiatry & Neurology | Bellevue | 132 | 32 | -75.8% |
| Mabel BongmbaPsychiatry | Everett | 90 | 22 | -75.6% |
| Jesse McclellandPsychiatry | Seattle | 48 | 12 | -75% |
| Nagavedu RaghunathPsychiatry | Auburn | 135 | 37 | -72.6% |
| Ella MiropolskiyPsychiatry | Seattle | 89 | 25 | -71.9% |
| Doron RaphaelyPsychiatry | Seattle | 148 | 43 | -70.9% |
| Nitin KarnikPsychiatry | Tacoma | 282 | 88 | -68.8% |
| Carolyn BrennerPsychiatry | Seattle | 202 | 63 | -68.8% |
| Christopher NoellPsychiatry | Bellingham | 542 | 173 | -68.1% |
| Douglas WornellPsychiatry | Gig Harbor | 80 | 26 | -67.5% |
| Charles WilliamsPsychiatry & Neurology | Yakima | 40 | 13 | -67.5% |
| Megha ChadhaPsychiatry | Everett | 57 | 19 | -66.7% |
| Farrukh HashmiPsychiatry | Richland | 219 | 76 | -65.3% |
| Jeffrey HedgePsychiatry | Spokane | 364 | 127 | -65.1% |
| Nipali VenkateshPsychiatry | Seattle | 105 | 37 | -64.8% |
| Susi MyersPsychiatry | Spokane | 33 | 12 | -63.6% |
| Belinda GustafsonPsychiatry | Seattle | 222 | 83 | -62.6% |
| Daniel LamPsychiatry & Neurology | Vancouver | 32 | 12 | -62.5% |
| Jonathan EbbingPsychiatry | Longview | 31 | 12 | -61.3% |
| Carl BaumPsychiatry | Spokane | 30 | 12 | -60% |
| Michael SchriftGeriatric Psychiatry | Seattle | 220 | 90 | -59.1% |
| Linda LusterPsychiatry | Seattle | 34 | 14 | -58.8% |
| Fletcher TaylorPsychiatry | Tacoma | 237 | 98 | -58.6% |
| Robert WatsonPsychiatry | Everson | 43 | 18 | -58.1% |
| James HopfenbeckPsychiatry & Neurology | Seattle | 83 | 36 | -56.6% |
| Paul ZarkowskiPsychiatry | Seattle | 558 | 248 | -55.6% |
| Gretchen CarlsonPsychiatry | Bellevue | 252 | 117 | -53.6% |
| John ZimbureanPsychiatry | Mill Creek | 43 | 20 | -53.5% |
| Rebecca AllenPsychiatry | Seattle | 30 | 14 | -53.3% |
| John GonsoulinPsychiatry | Silverdale | 359 | 172 | -52.1% |
| Jay SchmauchPsychiatry | Spokane | 296 | 142 | -52% |
| Jonathan DehaanPsychiatry | Federal Way | 64 | 31 | -51.6% |
| Syed MustafaPsychiatry | Bothell | 66 | 32 | -51.5% |
| Linda WilliamsPsychiatry & Neurology | Woodinville | 79 | 39 | -50.6% |
| Valerica Ene-StroescuPsychiatry & Neurology | Tacoma | 129 | 64 | -50.4% |
| Rowin CantrellPsychiatry | Seattle | 37 | 19 | -48.6% |
| Robert BurlingamePsychiatry | Vancouver | 135 | 73 | -45.9% |
| Henry LevinePsychiatry | Bellingham | 90 | 50 | -44.4% |
| Paul GrekinPsychiatry & Neurology | Seattle | 21 | 12 | -42.9% |
| Nana OkuzawaPsychiatry | Seattle | 47 | 27 | -42.6% |
| Dorcas DobiePsychiatry & Neurology | Seattle | 33 | 19 | -42.4% |
| Ritawari SharangpaniPsychiatry | Olympia | 152 | 91 | -40.1% |
| Robert SandsPsychiatry & Neurology | Tacoma | 173 | 104 | -39.9% |
| Megan JohnsonPsychiatry | Seattle | 413 | 251 | -39.2% |
| Sara LernerPsychiatry | Olympia | 103 | 68 | -34% |
| Taylor BlackPsychiatry | Seattle | 47 | 32 | -31.9% |
| William HollidayPsychiatry & Neurology | Bellevue | 35 | 24 | -31.4% |
| Gretchen HeinPsychiatry | Vancouver | 74 | 51 | -31.1% |
| Mary-Ann BoltePsychiatry | Bellevue | 179 | 126 | -29.6% |
| Marie Carmel DesirePsychiatry | Wenatchee | 227 | 160 | -29.5% |
| Robert McconaughyPsychiatry & Neurology | Seattle | 17 | 12 | -29.4% |
| Mark SamsonPsychiatry | Lacey | 158 | 112 | -29.1% |
| Rex GentryPsychiatry | Seattle | 152 | 108 | -28.9% |
| Sang SuhPsychiatry | Bellevue | 155 | 111 | -28.4% |
| Tobias DangPsychiatry & Neurology | Seattle | 79 | 57 | -27.8% |
| Rodolfo TrivisonnoPsychiatry | Everett | 257 | 186 | -27.6% |
| Mark WolfPsychiatry | Spokane | 76 | 55 | -27.6% |
| Susan HakemanPsychiatry | Bellingham | 230 | 167 | -27.4% |
| Linda MillerPsychiatry | Olympia | 130 | 95 | -26.9% |
| Philip PerkinsPsychiatry & Neurology | University Place | 140 | 104 | -25.7% |
| Michael WuPsychiatry | Seattle | 207 | 155 | -25.1% |
| Veena PrabhakarPsychiatry | Seattle | 16 | 12 | -25% |
| Christina AgustinPsychiatry & Neurology | Bellevue | 53 | 40 | -24.5% |
| Santosh AgnaniPsychiatry | Bellevue | 123 | 93 | -24.4% |
| Marcus NemuthPsychiatry | Bellevue | 69 | 53 | -23.2% |
| Jena WorleyPsychiatry | Yakima | 49 | 38 | -22.4% |
| Sang ShinPsychiatry | Edmonds | 423 | 330 | -22% |
| James HowardPsychiatry | University Place | 416 | 328 | -21.2% |
| Arshad ZaidiPsychiatry & Neurology | Puyallup | 48 | 38 | -20.8% |
| Christine CurryPsychiatry | Seattle | 333 | 264 | -20.7% |
| Dennis GaitherPsychiatry | Mount Vernon | 316 | 260 | -17.7% |
| Annabelle SimpsonPsychiatry | Tukwila | 17 | 14 | -17.6% |
| Richard SchneiderPsychiatry & Neurology | Tacoma | 159 | 132 | -17% |
| Sarah RoffPsychiatry | Seattle | 203 | 169 | -16.7% |
| Raman AroraPsychiatry | Seattle | 235 | 197 | -16.2% |
| Robert AxelrodPsychiatry | Longview | 210 | 178 | -15.2% |
| Sandra WalkerPsychiatry & Neurology | Seattle | 46 | 39 | -15.2% |
| Margaret DeanPsychiatry & Neurology | Tacoma | 56 | 48 | -14.3% |
| Whitney CarlsonGeriatric Psychiatry | Seattle | 153 | 132 | -13.7% |
| Sahana D'SilvaPsychiatry | Tacoma | 131 | 113 | -13.7% |
| Michael DomashPsychiatry & Neurology | Vancouver | 192 | 166 | -13.5% |
| Lina FineNeuropsychiatry | Seattle | 101 | 88 | -12.9% |
| Francis ShihPsychiatry | Bellevue | 733 | 644 | -12.1% |
| Michael TylerPsychiatry | Port Hadlock | 87 | 77 | -11.5% |
| Syed MustafaPsychiatry | Bothell | 19 | 17 | -10.5% |
| Thomas CarolloPsychiatry | Seattle | 291 | 269 | -7.6% |
| David ShawPsychiatry | Issaquah | 643 | 603 | -6.2% |
| Rae WislerPsychiatry | Vancouver | 348 | 327 | -6% |
| Stephanie GiannandreaPsychiatry | Wenatchee | 366 | 345 | -5.7% |
| Karin BarkinPsychiatry | Bremerton | 151 | 143 | -5.3% |
| Katerina RiabovaPsychiatry & Neurology | Redmond | 76 | 72 | -5.3% |
| Rozina LakhaniPsychiatry | Mount Vernon | 200 | 190 | -5% |
| Deborah HaynesPsychiatry | Bellevue | 126 | 121 | -4% |
| Pablo ProanoPsychiatry | Seattle | 484 | 465 | -3.9% |
| Elizabeth NollPsychiatry & Neurology | Seattle | 37 | 36 | -2.7% |
| Mary SimonsonPsychiatry | Tacoma | 80 | 79 | -1.2% |
| Shahm MartiniPsychiatry & Neurology | Seattle | 100 | 99 | -1% |
| Brian ColemanPsychiatry | Seattle | 572 | 567 | -0.9% |
| William PiersonPsychiatry | Bellevue | 227 | 227 | 0% |
| Robert DevneyPsychiatry & Neurology | Woodinville | 50 | 50 | 0% |
| Catherine KuniyoshiNeuropsychiatry | Seattle | 13 | 13 | 0% |
| Marta ErlichPsychiatry & Neurology | Bellingham | 13 | 13 | 0% |
| Joshua BessPsychiatry | Seattle | 108 | 111 | +2.8% |
| Jeffrey BergerPsychiatry | Mount Vernon | 374 | 385 | +2.9% |
| Jeffrey HansenPsychiatry & Neurology | Vancouver | 207 | 214 | +3.4% |
| Judith MilnerPsychiatry | Tacoma | 23 | 24 | +4.3% |
| Benjamin GonzalezPsychiatry | Richland | 121 | 129 | +6.6% |
| Nicholas TamoriaPsychiatry | Everett | 96 | 105 | +9.4% |
| Thucuc NguyenPsychiatry & Neurology | Mercer Island | 53 | 58 | +9.4% |
| Reza Hosseini GhomiPsychiatry | Seattle | 25 | 28 | +12% |
| Mark ChalemPsychiatry | Spokane | 474 | 534 | +12.7% |
| John PastorNeuropsychiatry | Bellevue | 47 | 53 | +12.8% |
| Timothy ForslundPsychiatry | Seattle | 90 | 102 | +13.3% |
| Tovi AvnonPsychiatry & Neurology | Burien | 88 | 102 | +15.9% |
| David PotterPsychiatry | Spokane | 238 | 276 | +16% |
| Mark DuncanPsychiatry | Seattle | 90 | 106 | +17.8% |
| Grant HavenPsychiatry & Neurology | Seattle | 43 | 51 | +18.6% |
| John WanwigPsychiatry | Tacoma | 431 | 513 | +19% |
| Joshua CohenPsychiatry | Bellingham | 209 | 251 | +20.1% |
| Jennifer IrwinPsychiatry | Tacoma | 102 | 124 | +21.6% |
| John MahlerPsychiatry | Wenatchee | 194 | 238 | +22.7% |
| Stephen LykinsPsychiatry | Olympia | 342 | 437 | +27.8% |
| Kris PetersonPsychiatry | Lakewood | 24 | 31 | +29.2% |
| Mary BartelsPsychiatry | Seattle | 119 | 154 | +29.4% |
| William HealeyPsychiatry & Neurology | Seattle | 175 | 228 | +30.3% |
| Jon BernerPsychiatry | Woodinville | 788 | 1,051 | +33.4% |
| Russell HicksPsychiatry | Tacoma | 147 | 199 | +35.4% |
| Hardildar GillPsychiatry | Richland | 76 | 103 | +35.5% |
| Ramona GrewalPsychiatry | Bellingham | 79 | 109 | +38% |
| Stephen KriegPsychiatry | Tacoma | 368 | 515 | +39.9% |
| David BotPsychiatry | Spokane | 1,301 | 1,841 | +41.5% |
| Justin EstarisPsychiatry | Seattle | 278 | 398 | +43.2% |
| John FrederickPsychiatry & Neurology | Seattle | 233 | 335 | +43.8% |
| Meghan O'NeilPsychiatry | Seattle | 91 | 131 | +44% |
| Bruce JohnsonPsychiatry & Neurology | Vancouver | 65 | 94 | +44.6% |
| Chester RobachinskiPsychiatry & Neurology | Seattle | 42 | 61 | +45.2% |
| James BasinskiPsychiatry | Seattle | 44 | 64 | +45.5% |
| Holly ShiaoPsychiatry | Seattle | 23 | 34 | +47.8% |
| Richard RiesPsychiatry | Seattle | 130 | 196 | +50.8% |
| Amanda FochtGeriatric Psychiatry | Seattle | 33 | 50 | +51.5% |
| Rebecca Jo RennPsychiatry | Olympia | 325 | 494 | +52% |
| Matthew StevensonNeuropsychiatry | Tacoma | 108 | 168 | +55.6% |
| Gina ThompsonPsychiatry & Neurology | Anacortes | 18 | 28 | +55.6% |
| Christopher BaileyPsychiatry & Neurology | Kirkland | 12 | 19 | +58.3% |
| Anthony YaconaPsychiatry | Seattle | 183 | 290 | +58.5% |
| Scot GibsonPsychiatry & Neurology | Seattle | 13 | 21 | +61.5% |
| Liban RodolPsychiatry & Neurology | Tacoma | 46 | 79 | +71.7% |
| Mitchell LevyPsychiatry | Seattle | 60 | 104 | +73.3% |
| Saeed AflatooniPsychiatry | Bremerton | 82 | 143 | +74.4% |
| Gerard ZanolliPsychiatry | Seattle | 224 | 392 | +75% |
| Stephen SchiltPsychiatry | Tacoma | 72 | 127 | +76.4% |
| Jacob PoundsPsychiatry | Seattle | 16 | 30 | +87.5% |
| Anne Marie ArvidsonPsychiatry & Neurology | Edmonds | 54 | 103 | +90.7% |
| Lawrence MartinPsychiatry & Neurology | Medical Lake | 172 | 333 | +93.6% |
| Elia Gonzalez-RodriguezPsychiatry | Vancouver | 33 | 64 | +93.9% |
| Michelle JeannettePsychiatry | Seattle | 17 | 33 | +94.1% |
| Devin ShoquistPsychiatry & Neurology | Gig Harbor | 39 | 76 | +94.9% |
| Emily WingfieldPsychiatry | Renton | 39 | 76 | +94.9% |
| Salman KazimPsychiatry | Spokane | 77 | 153 | +98.7% |
| Marty HoinessPsychiatry & Neurology | Seattle | 67 | 134 | +100% |
| Kimberly MclarenPsychiatry & Neurology | Seattle | 22 | 44 | +100% |
| Richard RepassPsychiatry | Mercer Island | 12 | 24 | +100% |
| Sandra Bremner-DexterPsychiatry | Spokane | 162 | 326 | +101.2% |
| Minninder SandhuPsychiatry | Seattle | 94 | 190 | +102.1% |
| Alesia BlackPsychiatry & Neurology | Gig Harbor | 39 | 79 | +102.6% |
| Rahul KhuranaPsychiatry | Seattle | 143 | 293 | +104.9% |
| Tenley RiveraPsychiatry | Vancouver | 213 | 453 | +112.7% |
| Jeffrey SchackPsychiatry | Spokane | 74 | 159 | +114.9% |
| Ernest MadhavanPsychiatry & Neurology | Bellevue | 33 | 74 | +124.2% |
| Gregory SimonPsychiatry | Seattle | 80 | 188 | +135% |
| Aaron MoorePsychiatry & Neurology | Bellingham | 23 | 56 | +143.5% |
| Sarah WinternitzPsychiatry | Port Angeles | 16 | 39 | +143.8% |
| David AveryPsychiatry & Neurology | Seattle | 28 | 71 | +153.6% |
| Evan KanterPsychiatry | Seattle | 32 | 83 | +159.4% |
| Julie LordPsychiatry & Neurology | Seattle | 13 | 34 | +161.5% |
| Triet NguyenPsychiatry | Renton | 147 | 385 | +161.9% |
| Timothy EarnestNeuropsychiatry | Puyallup | 29 | 79 | +172.4% |
| Herbert OrensteinPsychiatry & Neurology | Seattle | 44 | 121 | +175% |
| Kyl DinsioPsychiatry & Neurology | Seattle | 12 | 33 | +175% |
| Bonnie HuberPsychiatry | Vancouver | 193 | 539 | +179.3% |
| Julia RuarkPsychiatry | Seattle | 14 | 41 | +192.9% |
| Rimple MananPsychiatry | Everett | 14 | 44 | +214.3% |
| Sherri TomkowiakPsychiatry | Medical Lake | 114 | 375 | +228.9% |
| David BowdenPsychiatry & Neurology | Tacoma | 44 | 147 | +234.1% |
| Michael RothenfluchPsychiatry | Vancouver | 47 | 160 | +240.4% |
| Brian PoeschlaPsychiatry | Seattle | 14 | 48 | +242.9% |
| Kevin SloanPsychiatry | Mercer Island | 17 | 62 | +264.7% |
| Rinah GutierrezPsychiatry & Neurology | Pasco | 99 | 396 | +300% |
| Christos DagadakisPsychiatry | Seattle | 27 | 115 | +325.9% |
| J. RotchfordAddiction Medicine | Port Townsend | 36 | 162 | +350% |
| George MecouchPsychiatry | Vancouver | 26 | 119 | +357.7% |
| Kokil ChopraPsychiatry | Seattle | 15 | 73 | +386.7% |
| Mary LembergPsychiatry & Neurology | Seattle | 11 | 70 | +536.4% |
| Ryan FugatePsychiatry & Neurology | Mercer Island | 15 | 97 | +546.7% |
| Amado DayloPsychiatry | Bremerton | 12 | 78 | +550% |
| Jason GarnerPsychiatry | Seattle | 13 | 85 | +553.8% |
| Laura BaehnerPsychiatry | Medical Lake | 22 | 162 | +636.4% |
| Nicholas PhillipsPsychiatry | Clarkston | 54 | 446 | +725.9% |
| Ryan CaldeiroPsychiatry | Seattle | 13 | 120 | +823.1% |
| Aaron BobbPsychiatry | Renton | — | 530 | — |
| Areej AlfarajPsychiatry & Neurology | Kennewick | — | 484 | — |
| Patrick ChauPsychiatry | Longview | — | 410 | — |
| Matthew BogoyasPsychiatry | Yakima | — | 388 | — |
| Justin EllisPsychiatry | Seattle | — | 319 | — |
| Spencer LunbeckPsychiatry | Seattle | — | 240 | — |
| Jasdeep GillPsychiatry | Seattle | — | 223 | — |
| Jared BozemanPsychiatry | Seattle | — | 216 | — |
| James BossmannPsychiatry | Vancouver | — | 181 | — |
| Ronald SommersPsychiatry | Spokane Valley | — | 172 | — |
| Iulius GrecuPsychiatry | Spokane | — | 167 | — |
| Jared MaybeePsychiatry | Spokane | — | 164 | — |
| Christine SuydamPsychiatry | Shoreline | — | 155 | — |
| Karim SalehPsychiatry | Vancouver | — | 148 | — |
| Ryan LouiePsychiatry | Olympia | — | 136 | — |
| William KellyPsychiatry | Tacoma | — | 135 | — |
| Samuel MurrayPsychiatry | Spokane | — | 132 | — |
| Nathan TolleyPsychiatry | Mount Vernon | — | 127 | — |
| Lorin BoyntonPsychiatry | Poulsbo | — | 116 | — |
| Nam NguyenPsychiatry | Renton | — | 111 | — |
| Murtuza ValiPsychiatry | Kirkland | — | 103 | — |
| Arash FazlPsychiatry | Kirkland | — | 90 | — |
| Meghann SpraguePsychiatry | Bremerton | — | 89 | — |
| Joseph RootPsychiatry | Vancouver | — | 82 | — |
| George VanaPsychiatry | Bellingham | — | 81 | — |
| Leah FeganPsychiatry | Port Angeles | — | 80 | — |
| Shane VerhoefPsychiatry & Neurology | Tacoma | — | 79 | — |
| Phyllis HendersonPsychiatry | Yakima | — | 71 | — |
| Ritika BatajooPsychiatry & Neurology | Seattle | — | 69 | — |
| Anna SunshinePsychiatry | Seattle | — | 67 | — |
| Gregory SidellPsychiatry | Tacoma | — | 65 | — |
Showing the 250 largest reductions of 336 prescribers in Washington.
Figures are reproduced from the CMS public use files without alteration. Clinicians who believe a row misstates their record can write to support@taperoffbenzos.com and we will check it against the source file and correct or remove it.
Finding a prescriber in Washington
This data describes prescribing patterns; it does not tell you who will support a slow taper. For that, our guide to finding a benzo-wise prescriber compares every free provider directory that exists and lists the five questions that predict how a taper will go. If you already have a prescriber, the taper calculator generates a schedule to review with them.
Frequently asked questions
Is benzodiazepine prescribing rising or falling in Washington?
It fell 24.2% between 2013 and 2024 in Medicare Part D — a steeper fall than the country as a whole, where prescribing fell 12.9%. In 2024, Washington recorded 422,277 benzodiazepine claims across 109,507 patients.
How does Washington compare to other states?
Washington ranks 46 of 51 for prescribing intensity, at 3.86 benzodiazepine fills per patient per year, and 11 of 51 for the size of its decline since 2013 (1 being the steepest fall).
Which benzodiazepine is prescribed most in Washington?
Lorazepam, at 132,368 claims — 31.3% of the state's benzodiazepine prescribing in 2024. Next are Clonazepam (26.8%) and Alprazolam (25.5%).
Source
CMS Medicare Part D Prescribers public use files, data years 2013–2024 (US Government work, public domain). Medicare Part D only — it excludes commercial insurance and cash-pay, skews toward patients 65 and over, and suppresses cells of 10 or fewer claims. Full methodology and limitations are on the national page.