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Prescriber Checkup

Prescriber Checkup » Texas » Internal Medicine

Top Internal Medicine Prescribers in Texas

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
WALTER HEWELL MD

Internal Medicine

29,520

$1.76M

995
723 are 65+

22%
prescriptions for brand name drugs

Avg: 23%

$59
Average prescription price

Avg: $73

OLMER BROOKER M.D.

Internal Medicine

10,261

$904K

987
795 are 65+

24%
prescriptions for brand name drugs

Avg: 23%

$88
Average prescription price

Avg: $73

CHRISTOPHER HEARNE M.D.

Internal Medicine

12,919

$767K

987
951 are 65+

15%
prescriptions for brand name drugs

Avg: 23%

$59
Average prescription price

Avg: $73

RONALD KILLAM M.D.

Internal Medicine

18,150

$1.35M

986
679 are 65+

17%
prescriptions for brand name drugs

Avg: 23%

$74
Average prescription price

Avg: $73

SUNG LIM MD

Internal Medicine

8,696

$1.05M

985
782 are 65+

36%
prescriptions for brand name drugs

Avg: 23%

$121
Average prescription price

Avg: $73

GUSTAVO DAY M.D.

Internal Medicine

19,981

$1.35M

984
738 are 65+

19%
prescriptions for brand name drugs

Avg: 23%

$68
Average prescription price

Avg: $73

LISA DAVIS M.D.

Internal Medicine

21,394

$1.74M

979
746 are 65+

24%
prescriptions for brand name drugs

Avg: 23%

$81
Average prescription price

Avg: $73

MICHAEL ROMAIN MD

Internal Medicine

38,866

$2.45M

978
879 are 65+

25%
prescriptions for brand name drugs

Avg: 23%

$63
Average prescription price

Avg: $73

KAHTAN KAISSI M.D.

Internal Medicine

18,124

$912K

978
921 are 65+

20%
prescriptions for brand name drugs

Avg: 23%

$50
Average prescription price

Avg: $73

HENRY GRAINGER DO

Internal Medicine

24,692

$1.98M

977
595 are 65+

26%
prescriptions for brand name drugs

Avg: 23%

$80
Average prescription price

Avg: $73

ARMANDO HINOJOSA M.D.

Internal Medicine

31,525

$1.77M

976
759 are 65+

19%
prescriptions for brand name drugs

Avg: 23%

$56
Average prescription price

Avg: $73

TODD NGUYEN M.D.

Internal Medicine

21,620

$1.45M

974
644 are 65+

23%
prescriptions for brand name drugs

Avg: 23%

$67
Average prescription price

Avg: $73

EDWARD BATES MD

Internal Medicine

27,183

$1.31M

971
807 are 65+

21%
prescriptions for brand name drugs

Avg: 23%

$48
Average prescription price

Avg: $73

JOSE PORRAS MD

Internal Medicine

23,735

$1.93M

966
788 are 65+

26%
prescriptions for brand name drugs

Avg: 23%

$81
Average prescription price

Avg: $73

DAVID COS M.D.

Internal Medicine

16,607

$1.61M

964
894 are 65+

30%
prescriptions for brand name drugs

Avg: 23%

$97
Average prescription price

Avg: $73

ANTHONY SHALLIN M.D.

Internal Medicine

12,927

$978K

962
881 are 65+

18%
prescriptions for brand name drugs

Avg: 23%

$76
Average prescription price

Avg: $73

KANNAPPAN KRISHNASWAMY M.D.

Internal Medicine

19,501

$1.09M

957
736 are 65+

19%
prescriptions for brand name drugs

Avg: 23%

$56
Average prescription price

Avg: $73

MUHAMMAD NASIR MD

Internal Medicine

10,159

$496K

957
509 are 65+

22%
prescriptions for brand name drugs

Avg: 23%

$49
Average prescription price

Avg: $73

LUIS GUERRA M.D.

Internal Medicine

13,468

$1.37M

956
872 are 65+

24%
prescriptions for brand name drugs

Avg: 23%

$102
Average prescription price

Avg: $73

NORMAN DAVENPORT MD

Internal Medicine

24,734

$1.39M

952
921 are 65+

25%
prescriptions for brand name drugs

Avg: 23%

$56
Average prescription price

Avg: $73

CARLOS AGUILAR MD

Internal Medicine

21,409

$1.61M

949
758 are 65+

24%
prescriptions for brand name drugs

Avg: 23%

$75
Average prescription price

Avg: $73

IRINA MININA M.D

Internal Medicine

19,017

$1.72M

948
773 are 65+

25%
prescriptions for brand name drugs

Avg: 23%

$91
Average prescription price

Avg: $73

RAYLEEN VILLANUEVA-RUMPF M.D.

Internal Medicine

19,939

$1.18M

948
772 are 65+

17%
prescriptions for brand name drugs

Avg: 23%

$59
Average prescription price

Avg: $73

ANGELES LAI ZAYAS M.D.

Internal Medicine

16,525

$1.13M

948
799 are 65+

19%
prescriptions for brand name drugs

Avg: 23%

$69
Average prescription price

Avg: $73

AMAN JAFAR MD

Internal Medicine

29,577

$2.11M

947
615 are 65+

26%
prescriptions for brand name drugs

Avg: 23%

$71
Average prescription price

Avg: $73

Sources

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