Doctor profile · Federal record

Dr. John Martin, MD

Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1598832446
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4733 W Sunset Blvd
Los Angeles, CA 900276021
(323) 783-4011

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 30, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G79491

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598832446. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $25.87

By nature of payment

Food and Beverage
$26

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,048
Patients
1,195
Total drug cost
$45,189
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 555 215 $8,000
Metformin Hcl Generic 283 104 $3,525
Lisinopril Generic 280 107 $3,699
Losartan Potassium Generic 246 92 $3,484
Amlodipine Besylate Generic 234 90 $3,142
Rosuvastatin Calcium Generic 211 99 $2,612
Omeprazole Generic 169 77 $1,647
Hydrochlorothiazide Generic 166 60 $1,867
Levothyroxine Sodium Generic 158 54 $3,430
Glipizide Generic 143 56 $1,885

Frequently asked questions

Auto-generated from federal data
What is Dr. John Martin's medical specialty?
Dr. John Martin practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. John Martin practice?
Dr. John Martin practices at 4733 W Sunset Blvd, Los Angeles, CA 900276021. Office phone: 3237834011.
What is Dr. John Martin's NPI?
Dr. John Martin's National Provider Identifier (NPI) is 1598832446, issued by NPPES.
Does Dr. John Martin accept Medicare assignment?
Yes. Dr. John Martin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.