Doctor profile · Federal record

Dr. Gregory Weygandt, DO

Family Medicine Physician (CMS: Family Practice) · San Diego, CA

  • NPI 1336728559
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4094 4Th Ave
San Diego, CA 921032143
(619) 515-2545
Additional location
5454 El Cajon Blvd
San Diego, CA 921153621
(619) 515-2400
Mailing address
823 Gateway Center Way
San Diego, CA 921024541

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
July 17, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A20464

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336728559. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$497
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 3 $252.84
Janssen Pharmaceuticals, Inc 1 $125.00
Gilead Sciences, Inc. 1 $118.70

By nature of payment

Food and Beverage
$497

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Weygandt's medical specialty?
Dr. Gregory Weygandt practices Family Medicine Physician in San Diego, CA.
Where does Dr. Gregory Weygandt practice?
Dr. Gregory Weygandt practices at 4094 4Th Ave, San Diego, CA 921032143. Office phone: 6195152545.
What is Dr. Gregory Weygandt's NPI?
Dr. Gregory Weygandt's National Provider Identifier (NPI) is 1336728559, issued by NPPES.
Does Dr. Gregory Weygandt accept Medicare assignment?
Yes. Dr. Gregory Weygandt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.