ProPublica

Journalism in the Public Interest

Prescriber Checkup

Prescriber Checkup » Arizona » Internal Medicine

Top Internal Medicine Prescribers in Arizona

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
RANDOLPH CLARK M.D.

Internal Medicine

39,626

$2.02M

1008
779 are 65+

18%
prescriptions for brand name drugs

Avg: 21%

$51
Average prescription price

Avg: $67

DOUGLAS LAKIN M.D.

Internal Medicine

27,584

$1.9M

1567
1503 are 65+

22%
prescriptions for brand name drugs

Avg: 21%

$69
Average prescription price

Avg: $67

MATHEW BENJAMIN M.D.

Internal Medicine

27,387

$1.65M

1365
993 are 65+

21%
prescriptions for brand name drugs

Avg: 21%

$60
Average prescription price

Avg: $67

PHILIP KACZAR M.D.

Internal Medicine

24,787

$1.81M

776
659 are 65+

26%
prescriptions for brand name drugs

Avg: 21%

$73
Average prescription price

Avg: $67

SURESH BALENALLI M.D.

Internal Medicine

23,727

$1.37M

912
732 are 65+

18%
prescriptions for brand name drugs

Avg: 21%

$58
Average prescription price

Avg: $67

GERALD MUTHU M.D,

Internal Medicine

22,749

$1.43M

1313
1161 are 65+

22%
prescriptions for brand name drugs

Avg: 21%

$63
Average prescription price

Avg: $67

SERGIO PENAHERRERA MD

Internal Medicine

21,005

$1.53M

909
732 are 65+

23%
prescriptions for brand name drugs

Avg: 21%

$73
Average prescription price

Avg: $67

EDITA EXTRA-MENDOZA M.D.

Internal Medicine

20,603

$1.41M

1332
1250 are 65+

19%
prescriptions for brand name drugs

Avg: 21%

$68
Average prescription price

Avg: $67

CHARLES KAPLAN MD

Internal Medicine

20,455

$1.11M

1136
974 are 65+

21%
prescriptions for brand name drugs

Avg: 21%

$54
Average prescription price

Avg: $67

ARMANDO GONZALEZ MD

Internal Medicine

19,865

$1.15M

663
551 are 65+

21%
prescriptions for brand name drugs

Avg: 21%

$58
Average prescription price

Avg: $67

KIANOUSH CHEYBANI M.D.

Internal Medicine

19,468

$991K

532
449 are 65+

22%
prescriptions for brand name drugs

Avg: 21%

$51
Average prescription price

Avg: $67

ZAFFAR IQBAL M.D.

Internal Medicine

19,244

$558K

800
617 are 65+

15%
prescriptions for brand name drugs

Avg: 21%

$29
Average prescription price

Avg: $67

KENNETH LEVY MD

Internal Medicine

19,114

$1.29M

1026
906 are 65+

20%
prescriptions for brand name drugs

Avg: 21%

$67
Average prescription price

Avg: $67

GONZALO CELIS M.D.

Internal Medicine

18,757

$811K

1088
932 are 65+

16%
prescriptions for brand name drugs

Avg: 21%

$43
Average prescription price

Avg: $67

MAHMOOD KHAN M.D.

Internal Medicine

18,499

$609K

798
681 are 65+

14%
prescriptions for brand name drugs

Avg: 21%

$33
Average prescription price

Avg: $67

PAUL INGRAHAM M.D.

Internal Medicine

18,010

$993K

990
912 are 65+

17%
prescriptions for brand name drugs

Avg: 21%

$55
Average prescription price

Avg: $67

SUJIT MAGIYAWALA MD

Internal Medicine

17,357

$886K

1295
1205 are 65+

14%
prescriptions for brand name drugs

Avg: 21%

$51
Average prescription price

Avg: $67

EDWARD TOKATLIAN M.D.

Internal Medicine

17,343

$934K

827
764 are 65+

23%
prescriptions for brand name drugs

Avg: 21%

$54
Average prescription price

Avg: $67

JAVED MALIK M.D.

Internal Medicine

17,312

$972K

1014
872 are 65+

16%
prescriptions for brand name drugs

Avg: 21%

$56
Average prescription price

Avg: $67

ROBERT BLOOMBERG MD

Internal Medicine

17,235

$1.3M

1070
973 are 65+

21%
prescriptions for brand name drugs

Avg: 21%

$75
Average prescription price

Avg: $67

ANGELO ONG-VELOSO M.D.

Internal Medicine

16,839

$900K

802
585 are 65+

18%
prescriptions for brand name drugs

Avg: 21%

$53
Average prescription price

Avg: $67

AMJAD RIAZ-UL-HAQ MD

Internal Medicine

16,688

$942K

990
842 are 65+

16%
prescriptions for brand name drugs

Avg: 21%

$56
Average prescription price

Avg: $67

STEVEN VIG M.D.

Internal Medicine

16,598

$1.35M

976
757 are 65+

17%
prescriptions for brand name drugs

Avg: 21%

$81
Average prescription price

Avg: $67

CHUN WAH HO M.D.

Internal Medicine

16,233

$713K

851
634 are 65+

17%
prescriptions for brand name drugs

Avg: 21%

$44
Average prescription price

Avg: $67

CHRISTOPHER STALBERG M.D.

Internal Medicine

16,213

$978K

1354
1307 are 65+

17%
prescriptions for brand name drugs

Avg: 21%

$60
Average prescription price

Avg: $67

Sources

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