Prescriber Checkup | Top Specialist Prescribers in California

Prescriber Checkup

The Doctors and Drugs in Medicare Part D

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Top Specialist Prescribers in California

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
KRIKOR KALINDJIAN M.D.

Specialist

58,597

$4.44M

920
843 are 65+

29%
prescriptions for brand name drugs

Avg: 25%

$76
Average prescription price

Avg: $154

OSCAR CHIEN M.D.

Specialist

51,813

$6.06M

912
876 are 65+

39%
prescriptions for brand name drugs

Avg: 25%

$117
Average prescription price

Avg: $154

FERDINANT SARAN MD

Specialist

36,377

$2.13M

742
704 are 65+

27%
prescriptions for brand name drugs

Avg: 25%

$58
Average prescription price

Avg: $154

JASON BOUTROS M.D.

Specialist

31,322

$2.24M

750
503 are 65+

27%
prescriptions for brand name drugs

Avg: 25%

$71
Average prescription price

Avg: $154

LOI LUU M.D.

Specialist

29,820

$2.02M

837
789 are 65+

28%
prescriptions for brand name drugs

Avg: 25%

$68
Average prescription price

Avg: $154

MANOUCHEHR RASHTI M.D.

Specialist

26,738

$3.5M

633
615 are 65+

46%
prescriptions for brand name drugs

Avg: 25%

$131
Average prescription price

Avg: $154

DAVID CHARCHIAN M.D.

Specialist

25,851

$1.77M

403
374 are 65+

29%
prescriptions for brand name drugs

Avg: 25%

$69
Average prescription price

Avg: $154

VACHIK SHAHNAZARIAN M.D.

Specialist

25,396

$1.55M

477
462 are 65+

29%
prescriptions for brand name drugs

Avg: 25%

$61
Average prescription price

Avg: $154

KAMRAN SAFVATI M.D.

Specialist

25,140

$1.74M

564
530 are 65+

27%
prescriptions for brand name drugs

Avg: 25%

$69
Average prescription price

Avg: $154

MANUEL CANGA M.D.

Specialist

24,564

$1.52M

721
647 are 65+

21%
prescriptions for brand name drugs

Avg: 25%

$62
Average prescription price

Avg: $154

MARK SAMONTE M.D.

Specialist

23,152

$1.23M

636
394 are 65+

18%
prescriptions for brand name drugs

Avg: 25%

$53
Average prescription price

Avg: $154

PRADEEP SINGH M.D.

Specialist

22,419

$1.58M

601
356 are 65+

21%
prescriptions for brand name drugs

Avg: 25%

$70
Average prescription price

Avg: $154

BRAZELL CARTER M.D.

Specialist

21,835

$1.37M

429
326 are 65+

24%
prescriptions for brand name drugs

Avg: 25%

$63
Average prescription price

Avg: $154

TOMAS SEVILLA M.D.

Specialist

20,692

$1.11M

839
747 are 65+

16%
prescriptions for brand name drugs

Avg: 25%

$54
Average prescription price

Avg: $154

DONG KIM M.D.

Specialist

20,593

$1.27M

719
603 are 65+

17%
prescriptions for brand name drugs

Avg: 25%

$62
Average prescription price

Avg: $154

ALEXANDER GERSHMAN MD

Specialist

19,591

$2.75M

1457
1398 are 65+

59%
prescriptions for brand name drugs

Avg: 25%

$140
Average prescription price

Avg: $154

XANTHE VICTORIA MD

Specialist

19,563

$1.36M

652
585 are 65+

21%
prescriptions for brand name drugs

Avg: 25%

$70
Average prescription price

Avg: $154

ELDENE SMITH M.D.

Specialist

18,340

$1.04M

1224
1052 are 65+

18%
prescriptions for brand name drugs

Avg: 25%

$57
Average prescription price

Avg: $154

RAFFI MINASIAN MD

Specialist

18,185

$2.94M

590
459 are 65+

30%
prescriptions for brand name drugs

Avg: 25%

$162
Average prescription price

Avg: $154

PARMOD KUMAR M.D.

Specialist

18,109

$2.3M

881
689 are 65+

23%
prescriptions for brand name drugs

Avg: 25%

$127
Average prescription price

Avg: $154

SEDA PANOSSIAN M.D.

Specialist

18,002

$1.29M

209
190 are 65+

30%
prescriptions for brand name drugs

Avg: 25%

$72
Average prescription price

Avg: $154

MARIAN FEDAK M.D.

Specialist

16,977

$1M

418
384 are 65+

20%
prescriptions for brand name drugs

Avg: 25%

$59
Average prescription price

Avg: $154

VENU PRABAKER M.D.

Specialist

16,542

$1.66M

777
624 are 65+

27%
prescriptions for brand name drugs

Avg: 25%

$101
Average prescription price

Avg: $154

VIJAY KUMAR MD,FCCP

Specialist

16,507

$1.35M

478
409 are 65+

23%
prescriptions for brand name drugs

Avg: 25%

$82
Average prescription price

Avg: $154

ROBIN SPIERING MD

Specialist

16,437

$898K

586
523 are 65+

18%
prescriptions for brand name drugs

Avg: 25%

$55
Average prescription price

Avg: $154

Sources

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