ProPublica

Journalism in the Public Interest

Prescriber Checkup

Prescribers of OPANA ER in California

Provider Medicare Claims City State
STEPHAN JOHNSON PA-C

Physician Assistant, Medical

Claims Filled114

SAN DIEGO

California

CHRISTOPHER HILL M.D.

Anesthesiology

Claims Filled104

SAN BERNARDINO

California

GEORGI MIKELADZE MD

Claims Filled99

SAN FRANCISCO

California

HONG CHENG DO

Internal Medicine

Claims Filled96

VALLEJO

California

KRISTEN ZAK PHARM.D.

Pharmacist

Claims Filled76

UNION CITY

California

MAIA CHAKERIAN MD

Pain Medicine

Claims Filled73

LOS GATOS

California

MARCIA ELFENBAUM M.D.

Pain Medicine

Claims Filled72

SAN DIEGO

California

ERIC VOLDENG

Physician Assistant, Medical

Claims Filled72

LONG BEACH

California

JOHN PEARSON PA

Orthopaedic Surgery

Claims Filled70

REDDING

California

BRENTON WYNN M.D.

Pain Medicine

Claims Filled69

SAN DIEGO

California

THOMAS KELLER M.D., M.P.H.

Interventional Pain Medicine

Claims Filled68

SANTA ROSA

California

AJAY MASIH M.D.

Claims Filled66

LOS ANGELES

California

CLAUDIO PALMA M.D.

Pain Medicine

Claims Filled66

SAN FRANCISCO

California

RAJESH KALRA M.D.

Student in an Organized Health Care Education/Training Program

Claims Filled64

UNION CITY

California

RAJAN CHOPRA M.D.

Neurology

Claims Filled62

UPLAND

California

MUNISH LAL

Specialist

Claims Filled62

CHICO

California

GERALD CHATMAN PA

Physician Assistant

Claims Filled62

LOS ANGELES

California

BRIAN GWARTZ M.D.

Pain Medicine

Claims Filled61

GLENDORA

California

JEREMY ADLER PA-C

Physician Assistant, Medical

Claims Filled60

ENCINITAS

California

THOMAS NASSER DO

Physical Medicine Rehabilitation

Claims Filled58

LANCASTER

California

SHEENA CHANDRASEKHARAN N.P.

Nurse Practitioner, Family

Claims Filled57

WEST HOLLYWOOD

California

DAVID BAKER PHYSICIAN ASSISTANT

Physician Assistant

Claims Filled57

FRESNO

California

CARLO ESTEVES DO

Pain Medicine

Claims Filled53

MILPITAS

California

LAURA SZYMANSKI PA-C

Physician Assistant

Claims Filled53

REDDING

California

KAI-LIEH CHEN M.D.

Physical Medicine Rehabilitation

Claims Filled52

VISALIA

California

Sources

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