Doctor profile · Federal record

Dr. John Murphy, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Pediatrics Physician · Oakland, CA

  • NPI 1437119591
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Fruitvale Avenue
Oakland, CA 946012322
(510) 535-6300
fax (510) 535-4019
Mailing address
Po Box 22210
Oakland, CA 946232210

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
September 16, 2019
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
California #A99461 · Minnesota #46482
Medicaid
MN #390401600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437119591. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
19
Distinct HCPCS
1
Medicare allowed
$89
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 19 16 $5

In context: peer comparison

Among 78 peers in Oakland Internal Medicine Physician, average services per provider: 326. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
292
Patients
15
Total drug cost
$15,471
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 42 15 $1,110
Gabapentin Generic 34 0 $710
Amlodipine Besylate Generic 21 0 $483
Metformin Hcl Generic 20 0 $236
Simvastatin Generic 20 0 $270
Triamcinolone Acetonide Generic 20 0 $171
Lisinopril Generic 17 0 $333
Losartan Potassium Generic 17 0 $363
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 16 0 $649
Levothyroxine Sodium Generic 15 0 $291

Frequently asked questions

Auto-generated from federal data
What is Dr. John Murphy's medical specialty?
Dr. John Murphy practices Internal Medicine Physician in Oakland, CA.
Where does Dr. John Murphy practice?
Dr. John Murphy practices at 1515 Fruitvale Avenue, Oakland, CA 946012322. Office phone: 5105356300.
What is Dr. John Murphy's NPI?
Dr. John Murphy's National Provider Identifier (NPI) is 1437119591, issued by NPPES.
Does Dr. John Murphy accept Medicare assignment?
Yes. Dr. John Murphy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Murphy commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.