ProPublica

Journalism in the Public Interest

Prescriber Checkup

Prescriber Checkup » Washington » Internal Medicine

Top Internal Medicine Prescribers in Washington

Top Prescribers

Providers are grouped by the primary specialty they listed when applying for a national health ID number. This doesn’t necessarily mean the person has special training or certification. Specialty is self-reported by providers and may have changed. Patients and claims shown are for Medicare Part D only.

Prescriber Claims Filled Total Cost Medicare Part D Patients Claims for Brand Name Drugs Brand Name Drugs Prescription Price
HECTOR REYES MD

Internal Medicine

11,301

$554K

348
115 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$49
Average prescription price

Avg: $59

RYAN ROMMEL GUANZON MD

Internal Medicine

11,246

$645K

687
551 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$57
Average prescription price

Avg: $59

JEFFREY MARKLE M.D.

Internal Medicine

11,242

$945K

581
533 are 65+

24%
prescriptions for brand name drugs

Avg: 19%

$84
Average prescription price

Avg: $59

CLAUDIU-GILY IONESCU-TAJTI M.D.

Internal Medicine

11,214

$725K

383
286 are 65+

19%
prescriptions for brand name drugs

Avg: 19%

$65
Average prescription price

Avg: $59

CULBERT SERRANO M.D.

Internal Medicine

11,192

$532K

644
569 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$48
Average prescription price

Avg: $59

FRANCIS AMADO MERCADO M.D.

Internal Medicine

11,082

$710K

675
573 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$64
Average prescription price

Avg: $59

RAOUF MAOUD M.D.

Internal Medicine

10,790

$715K

365
320 are 65+

24%
prescriptions for brand name drugs

Avg: 19%

$66
Average prescription price

Avg: $59

DON ANDREWS MD

Internal Medicine

10,747

$592K

691
593 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$55
Average prescription price

Avg: $59

ARNULFO DERAY MD

Internal Medicine

10,720

$589K

752
747 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$55
Average prescription price

Avg: $59

BRIAN MCDONALD MD

Internal Medicine

10,719

$629K

592
529 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$59
Average prescription price

Avg: $59

JEFFREY HOOPER D.O.

Internal Medicine

10,703

$626K

663
522 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$58
Average prescription price

Avg: $59

SANDEEP BAL MD

Internal Medicine

10,677

$546K

687
574 are 65+

17%
prescriptions for brand name drugs

Avg: 19%

$51
Average prescription price

Avg: $59

JOHN LANK MD

Internal Medicine

10,604

$621K

577
454 are 65+

15%
prescriptions for brand name drugs

Avg: 19%

$59
Average prescription price

Avg: $59

MYTHILI RAMACHANDRAN M.D.

Internal Medicine

10,557

$490K

344
282 are 65+

21%
prescriptions for brand name drugs

Avg: 19%

$46
Average prescription price

Avg: $59

WILLIAM WOO MD

Internal Medicine

10,535

$560K

524
483 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$53
Average prescription price

Avg: $59

ALEXANDER CHOW MD

Internal Medicine

10,508

$482K

494
426 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$46
Average prescription price

Avg: $59

RICO ROMANO MD

Internal Medicine

10,490

$502K

599
463 are 65+

17%
prescriptions for brand name drugs

Avg: 19%

$48
Average prescription price

Avg: $59

CHA VANG M.D.

Internal Medicine

10,462

$557K

338
264 are 65+

24%
prescriptions for brand name drugs

Avg: 19%

$53
Average prescription price

Avg: $59

HENRY RETAILLIAU MD

Internal Medicine

10,455

$624K

654
568 are 65+

17%
prescriptions for brand name drugs

Avg: 19%

$60
Average prescription price

Avg: $59

DONALD SHARMAN MD

Internal Medicine

10,443

$760K

483
397 are 65+

23%
prescriptions for brand name drugs

Avg: 19%

$73
Average prescription price

Avg: $59

MICHAEL HERRING MD

Internal Medicine

10,395

$403K

484
450 are 65+

11%
prescriptions for brand name drugs

Avg: 19%

$39
Average prescription price

Avg: $59

RUSSELL HAVLICEK MD

Internal Medicine

10,372

$522K

646
549 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$50
Average prescription price

Avg: $59

JONG-WOOK BAN M.D.

Internal Medicine

10,356

$670K

775
598 are 65+

21%
prescriptions for brand name drugs

Avg: 19%

$65
Average prescription price

Avg: $59

JOHANN BERNARDO MD

Internal Medicine

10,301

$713K

729
577 are 65+

21%
prescriptions for brand name drugs

Avg: 19%

$69
Average prescription price

Avg: $59

JOANNE LYNN PEREZ M.D.

Internal Medicine

10,243

$517K

444
414 are 65+

17%
prescriptions for brand name drugs

Avg: 19%

$51
Average prescription price

Avg: $59

Sources

Centers for Medicare and Medicaid Services; National Technical Information Service; First Databank