Doctor profile · Federal record

Dr. Justin Charles, MD

Internal Medicine Physician (CMS: Internal Medicine) · San Marcos, CA

  • NPI 1811552771
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
314 S Twin Oaks Valley RD Ste 114
San Marcos, CA 920784390
(442) 372-2330

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
November 4, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #180599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811552771. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$92
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 1 $91.98

By nature of payment

Food and Beverage
$92

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Charles's medical specialty?
Dr. Justin Charles practices Internal Medicine Physician in San Marcos, CA.
Where does Dr. Justin Charles practice?
Dr. Justin Charles practices at 314 S Twin Oaks Valley RD Ste 114, San Marcos, CA 920784390. Office phone: 4423722330.
What is Dr. Justin Charles's NPI?
Dr. Justin Charles's National Provider Identifier (NPI) is 1811552771, issued by NPPES.
Does Dr. Justin Charles accept Medicare assignment?
Yes. Dr. Justin Charles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.