Doctor profile · Federal record

Dr. Poysophon Poysophon

Internal Medicine Physician (CMS: Internal Medicine) · Walnut Creek, CA

  • NPI 1902250194
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1425 S Main St
Walnut Creek, CA 945965318
(925) 295-4000
Additional location
1225 Wilshire Blvd
Los Angeles, CA 900171901
(213) 977-2121

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
August 31, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A150669
Medicaid
CA #PP3232267556

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902250194. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $44.46

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
186
Patients
168
Total drug cost
$9,099
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 27 25 $226
Cefpodoxime Proxetil Generic 26 26 $627
Furosemide Generic 24 18 $206
Doxycycline Monohydrate Generic 21 21 $208
Prednisone Generic 18 15 $174
Amlodipine Besylate Generic 16 12 $140
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 15 15 $165
Metoprolol Succinate Generic 15 12 $254
Eliquis (Apixaban) Brand 13 13 $7,026
Metoprolol Tartrate Generic 11 11 $74

Frequently asked questions

Auto-generated from federal data
What is Dr. Poysophon Poysophon's medical specialty?
Dr. Poysophon Poysophon practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. Poysophon Poysophon practice?
Dr. Poysophon Poysophon practices at 1425 S Main St, Walnut Creek, CA 945965318. Office phone: 9252954000.
What is Dr. Poysophon Poysophon's NPI?
Dr. Poysophon Poysophon's National Provider Identifier (NPI) is 1902250194, issued by NPPES.
Does Dr. Poysophon Poysophon accept Medicare assignment?
Yes. Dr. Poysophon Poysophon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.