Doctor profile · Federal record

Dr. David Allen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Sonora, CA

  • NPI 1184687535
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
690 Guzzi Lane, Suite D
Sonora, CA 953705292
(209) 533-0333

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 9, 2016
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G48320

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184687535. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 1 $24.42

By nature of payment

Food and Beverage
$24

Frequently asked questions

Auto-generated from federal data
What is Dr. David Allen's medical specialty?
Dr. David Allen practices Internal Medicine Physician in Sonora, CA.
Where does Dr. David Allen practice?
Dr. David Allen practices at 690 Guzzi Lane, Sonora, CA 953705292. Office phone: 2095330333.
What is Dr. David Allen's NPI?
Dr. David Allen's National Provider Identifier (NPI) is 1184687535, issued by NPPES.
Does Dr. David Allen accept Medicare assignment?
Yes. Dr. David Allen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.