Doctor profile · Federal record

Dr. Thao Phan, M.D.

Specialist (CMS: Family Practice) · Union City, CA

  • NPI 1306849807
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3553 Whipple RD
Union City, CA 945871507
(510) 454-1000

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
December 13, 2021
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #A90577

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306849807. 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
Dexcom, INC. 1 $24.32

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,887
Patients
1,305
Total drug cost
$40,443
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 449 210 $7,210
Amlodipine Besylate Generic 274 124 $3,335
Losartan Potassium Generic 248 120 $3,026
Atenolol Generic 239 107 $2,877
Simvastatin Generic 189 83 $2,265
Omeprazole Generic 184 79 $1,740
Levothyroxine Sodium Generic 176 77 $3,919
Lisinopril Generic 163 82 $1,946
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 156 58 $3,212
Famotidine Generic 151 60 $1,769

Frequently asked questions

Auto-generated from federal data
What is Dr. Thao Phan's medical specialty?
Dr. Thao Phan practices Specialist in Union City, CA.
Where does Dr. Thao Phan practice?
Dr. Thao Phan practices at 3553 Whipple RD, Union City, CA 945871507. Office phone: 5104541000.
What is Dr. Thao Phan's NPI?
Dr. Thao Phan's National Provider Identifier (NPI) is 1306849807, issued by NPPES.
Does Dr. Thao Phan accept Medicare assignment?
Yes. Dr. Thao Phan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.