Prescriber Checkup | Top Internal Medicine Prescribers in Illinois

Prescriber Checkup

The Doctors and Drugs in Medicare Part D

Prescriber Checkup » Illinois » Internal Medicine

Top Internal Medicine Prescribers in Illinois

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
WILLIAM FRANKLIN M.D.

Internal Medicine

15,600

$912K

516
503 are 65+

20%
prescriptions for brand name drugs

Avg: 20%

$58
Average prescription price

Avg: $66

KIRIT JOSHI MD

Internal Medicine

15,592

$956K

357
207 are 65+

17%
prescriptions for brand name drugs

Avg: 20%

$61
Average prescription price

Avg: $66

MATTHEW HAGEMAN MD

Internal Medicine

15,589

$815K

769
713 are 65+

19%
prescriptions for brand name drugs

Avg: 20%

$52
Average prescription price

Avg: $66

ASAD USMAN MD,MPH

Internal Medicine

15,569

$1.1M

543
280 are 65+

23%
prescriptions for brand name drugs

Avg: 20%

$71
Average prescription price

Avg: $66

ROGER HAAB M.D.

Internal Medicine

15,565

$1.01M

818
729 are 65+

17%
prescriptions for brand name drugs

Avg: 20%

$65
Average prescription price

Avg: $66

JAVED NAZIR M.D.

Internal Medicine

15,516

$883K

500
348 are 65+

21%
prescriptions for brand name drugs

Avg: 20%

$57
Average prescription price

Avg: $66

ELIZABETH OBRIEN M.D.

Internal Medicine

15,498

$696K

597
532 are 65+

16%
prescriptions for brand name drugs

Avg: 20%

$45
Average prescription price

Avg: $66

THAW TUN MD

Internal Medicine

15,482

$896K

537
472 are 65+

17%
prescriptions for brand name drugs

Avg: 20%

$58
Average prescription price

Avg: $66

LOUIS KIM M.D.

Internal Medicine

15,464

$767K

616
567 are 65+

18%
prescriptions for brand name drugs

Avg: 20%

$50
Average prescription price

Avg: $66

SIDDHARTH JANI M.D.

Internal Medicine

15,390

$750K

625
551 are 65+

19%
prescriptions for brand name drugs

Avg: 20%

$49
Average prescription price

Avg: $66

HOWARD BAKER D.O.

Internal Medicine

15,389

$887K

660
623 are 65+

19%
prescriptions for brand name drugs

Avg: 20%

$58
Average prescription price

Avg: $66

THOMAS HEISCHMIDT M.D.

Internal Medicine

15,380

$797K

462
385 are 65+

16%
prescriptions for brand name drugs

Avg: 20%

$52
Average prescription price

Avg: $66

MAHER AL-KOUBAYTARI M.D.

Internal Medicine

15,374

$1.19M

245
148 are 65+

28%
prescriptions for brand name drugs

Avg: 20%

$77
Average prescription price

Avg: $66

LESTER CRANCER DO

Internal Medicine

15,327

$760K

546
418 are 65+

19%
prescriptions for brand name drugs

Avg: 20%

$50
Average prescription price

Avg: $66

WILLIAM HUFFSTUTLER MD

Internal Medicine

15,326

$1.2M

435
397 are 65+

21%
prescriptions for brand name drugs

Avg: 20%

$78
Average prescription price

Avg: $66

RAJNEESH JAIN M.D.

Internal Medicine

15,325

$694K

490
440 are 65+

15%
prescriptions for brand name drugs

Avg: 20%

$45
Average prescription price

Avg: $66

EMERITO NATANAWAN M.D.

Internal Medicine

15,322

$635K

816
702 are 65+

13%
prescriptions for brand name drugs

Avg: 20%

$41
Average prescription price

Avg: $66

MANINDER KOHLI M.D.

Internal Medicine

15,298

$730K

455
433 are 65+

20%
prescriptions for brand name drugs

Avg: 20%

$48
Average prescription price

Avg: $66

BHAGAVATLAL MORKER M.D.,

Internal Medicine

15,297

$872K

681
558 are 65+

20%
prescriptions for brand name drugs

Avg: 20%

$57
Average prescription price

Avg: $66

ROGER MCCLINTOCK M.D.

Internal Medicine

15,282

$835K

588
495 are 65+

18%
prescriptions for brand name drugs

Avg: 20%

$55
Average prescription price

Avg: $66

ASAD ZAMAN M.D.

Internal Medicine

15,250

$928K

592
488 are 65+

22%
prescriptions for brand name drugs

Avg: 20%

$61
Average prescription price

Avg: $66

EDWIN SMOLEVITZ MD

Internal Medicine

15,179

$774K

716
685 are 65+

17%
prescriptions for brand name drugs

Avg: 20%

$51
Average prescription price

Avg: $66

BARBARA MULCH M.D.

Internal Medicine

15,119

$790K

445
386 are 65+

17%
prescriptions for brand name drugs

Avg: 20%

$52
Average prescription price

Avg: $66

GREGORY KASTNER MD

Internal Medicine

15,083

$616K

528
490 are 65+

15%
prescriptions for brand name drugs

Avg: 20%

$41
Average prescription price

Avg: $66

RAJINDER MAHAY MD

Internal Medicine

15,081

$745K

621
481 are 65+

19%
prescriptions for brand name drugs

Avg: 20%

$49
Average prescription price

Avg: $66

Sources

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