Prescriber Checkup | Top Internal Medicine Prescribers in California

Prescriber Checkup

The Doctors and Drugs in Medicare Part D

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Top Internal Medicine 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
SHERIF KHALIL MD

Internal Medicine

27,505

$1.19M

1410
1389 are 65+

14%
prescriptions for brand name drugs

$43
Average prescription price

O'KEY SAMS M.D.

Internal Medicine

27,504

$1.38M

770
629 are 65+

21%
prescriptions for brand name drugs

$50
Average prescription price

ARINDER CHADHA MD, MBA, FACP

Internal Medicine

27,498

$1.58M

686
518 are 65+

16%
prescriptions for brand name drugs

$57
Average prescription price

ERIC PINDERSKI M.D.

Internal Medicine

27,411

$1.46M

911
807 are 65+

21%
prescriptions for brand name drugs

$53
Average prescription price

SUMAN PATEL MD

Internal Medicine

27,280

$2.05M

515
381 are 65+

21%
prescriptions for brand name drugs

$75
Average prescription price

KESHENG WU MD

Internal Medicine

27,168

$2.11M

817
718 are 65+

24%
prescriptions for brand name drugs

$78
Average prescription price

BRIAN NGUYEN M.D.

Internal Medicine

27,022

$1.77M

1615
1508 are 65+

15%
prescriptions for brand name drugs

$65
Average prescription price

SIAMAK ETEHAD MD

Internal Medicine

26,923

$2.47M

681
503 are 65+

25%
prescriptions for brand name drugs

$92
Average prescription price

NABIL EL SAYAD M.D.

Internal Medicine

26,911

$2.44M

1233
1143 are 65+

22%
prescriptions for brand name drugs

$91
Average prescription price

KARINA ARZUMANOVA M.D

Internal Medicine

26,762

$2.33M

614
590 are 65+

32%
prescriptions for brand name drugs

$87
Average prescription price

AJIT KHAIRA MD

Internal Medicine

26,644

$2.52M

652
511 are 65+

25%
prescriptions for brand name drugs

$94
Average prescription price

KEYVAN SHIRAZI M.D.

Internal Medicine

26,432

$2.01M

808
734 are 65+

24%
prescriptions for brand name drugs

$76
Average prescription price

RICHARD BUTLIG M.D.

Internal Medicine

26,419

$1.38M

841
756 are 65+

19%
prescriptions for brand name drugs

$52
Average prescription price

MIKHAIL PALATNIK MD

Internal Medicine

26,172

$944K

714
600 are 65+

14%
prescriptions for brand name drugs

$36
Average prescription price

GREGOR PARONIAN M.D.

Internal Medicine

26,094

$1.75M

494
435 are 65+

24%
prescriptions for brand name drugs

$67
Average prescription price

MICHAEL DAO M.D.

Internal Medicine

25,774

$4.1M

1018
971 are 65+

37%
prescriptions for brand name drugs

$159
Average prescription price

TAM NGUYEN D.O.

Internal Medicine

25,676

$1.6M

1230
1122 are 65+

20%
prescriptions for brand name drugs

$62
Average prescription price

JOSE BAUTISTA M.D.

Internal Medicine

25,552

$3.05M

1514
1197 are 65+

25%
prescriptions for brand name drugs

$119
Average prescription price

HAN DUONG M.D.& D.O.

Internal Medicine

25,507

$2.78M

363
348 are 65+

35%
prescriptions for brand name drugs

$109
Average prescription price

TYRONE SNIPES D.O.

Internal Medicine

25,421

$1.53M

871
740 are 65+

24%
prescriptions for brand name drugs

$60
Average prescription price

PAUL CHANG M.D.

Internal Medicine

25,316

$2.5M

1067
1039 are 65+

26%
prescriptions for brand name drugs

$99
Average prescription price

TUSHAR MODI M.D.

Internal Medicine

25,115

$1.71M

997
898 are 65+

17%
prescriptions for brand name drugs

$68
Average prescription price

LARRY MARIANELLA M.D.

Internal Medicine

24,894

$1.14M

566
448 are 65+

15%
prescriptions for brand name drugs

$46
Average prescription price

ROBERT LYNCH M.D.

Internal Medicine

24,830

$1.36M

967
816 are 65+

17%
prescriptions for brand name drugs

$55
Average prescription price

AMRITPAL PANNU MD

Internal Medicine

24,743

$1.55M

721
592 are 65+

22%
prescriptions for brand name drugs

$63
Average prescription price

Sources

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