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
KAPIL GANGWAL MBBS

Internal Medicine

8,788

$533K

841
666 are 65+

19%
prescriptions for brand name drugs

Avg: 19%

$61
Average prescription price

Avg: $59

JENNIFER AZEN M.D., M.P.H.

Internal Medicine

8,758

$460K

261
159 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$53
Average prescription price

Avg: $59

JAMES CAMPBELL M.D.

Internal Medicine

8,718

$659K

414
384 are 65+

24%
prescriptions for brand name drugs

Avg: 19%

$76
Average prescription price

Avg: $59

ANDRE ZAND MD

Internal Medicine

8,704

$502K

446
372 are 65+

20%
prescriptions for brand name drugs

Avg: 19%

$58
Average prescription price

Avg: $59

JOHN PENG MD

Internal Medicine

8,691

$619K

418
336 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$71
Average prescription price

Avg: $59

JENNIFER SMITH MD

Internal Medicine

8,685

$592K

371
308 are 65+

20%
prescriptions for brand name drugs

Avg: 19%

$68
Average prescription price

Avg: $59

ANITA SHAFFER M.D.

Internal Medicine

8,677

$566K

570
500 are 65+

17%
prescriptions for brand name drugs

Avg: 19%

$65
Average prescription price

Avg: $59

ALAIN LAMBERT MD

Internal Medicine

8,673

$467K

670
597 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$54
Average prescription price

Avg: $59

ROBERT DAVIS MD

Internal Medicine

8,587

$436K

540
458 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$51
Average prescription price

Avg: $59

SAMUEL ORTIZ M.D.

Internal Medicine

8,585

$392K

670
552 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$46
Average prescription price

Avg: $59

CHIEH MA MD

Internal Medicine

8,563

$467K

1012
821 are 65+

15%
prescriptions for brand name drugs

Avg: 19%

$55
Average prescription price

Avg: $59

JASON RAHME MD

Internal Medicine

8,543

$408K

540
412 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$48
Average prescription price

Avg: $59

DEBORAH NORTH MD

Internal Medicine

8,534

$406K

479
425 are 65+

19%
prescriptions for brand name drugs

Avg: 19%

$48
Average prescription price

Avg: $59

CORIE SANDALL MD

Internal Medicine

8,472

$662K

567
428 are 65+

24%
prescriptions for brand name drugs

Avg: 19%

$78
Average prescription price

Avg: $59

BRIAN DERRICK D.O.

Internal Medicine

8,465

$369K

577
459 are 65+

14%
prescriptions for brand name drugs

Avg: 19%

$44
Average prescription price

Avg: $59

SUNDANCE ROGERS MD

Internal Medicine

8,434

$541K

560
503 are 65+

21%
prescriptions for brand name drugs

Avg: 19%

$64
Average prescription price

Avg: $59

DANIEL CANFIELD DO

Internal Medicine

8,434

$440K

294
251 are 65+

19%
prescriptions for brand name drugs

Avg: 19%

$52
Average prescription price

Avg: $59

OREN TOWNSEND M.D.

Internal Medicine

8,432

$555K

594
545 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$66
Average prescription price

Avg: $59

PURNIMA PATEL M.D.

Internal Medicine

8,431

$474K

494
429 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$56
Average prescription price

Avg: $59

RONALD ORTIZ MD

Internal Medicine

8,413

$441K

403
361 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$52
Average prescription price

Avg: $59

JEFFERY CLARKE MD

Internal Medicine

8,405

$425K

492
440 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$51
Average prescription price

Avg: $59

TOSHIKO MAGNUS MD

Internal Medicine

8,382

$411K

606
515 are 65+

16%
prescriptions for brand name drugs

Avg: 19%

$49
Average prescription price

Avg: $59

WILLIAM BAUER MD

Internal Medicine

8,379

$671K

328
244 are 65+

22%
prescriptions for brand name drugs

Avg: 19%

$80
Average prescription price

Avg: $59

GRETCHEN POTSCHKA MD

Internal Medicine

8,365

$515K

306
208 are 65+

17%
prescriptions for brand name drugs

Avg: 19%

$62
Average prescription price

Avg: $59

MARK JOHNSON MD

Internal Medicine

8,328

$407K

590
526 are 65+

18%
prescriptions for brand name drugs

Avg: 19%

$49
Average prescription price

Avg: $59

Sources

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