Doctor profile · Federal record

Dr. Theresa Mai-Hwang, PA-C

Physician Assistant · Medical Physician Assistant · Stanford, CA

  • NPI 1629670914
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
November 2020 — 6 yrs on file
Profile last updated
December 23, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #58830

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629670914. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,600
Transactions
124
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Xeris Pharmaceuticals, INC. 14 $608.66
Lilly USA, LLC 18 $452.36
Novo Nordisk INC 22 $432.05
Ibsa Pharma INC. 6 $334.62
Corcept Therapeutics 2 $199.39
Bayer Healthcare Pharmaceuticals INC. 11 $165.74
Abbott Laboratories 11 $147.86
Mannkind Corporation 7 $147.28
Recordati_Rare_Diseases_INC. 6 $128.27
Pfizer INC. 5 $121.32
Ascensia Diabetes Care US INC. 5 $118.77
Tandem Diabetes Care, INC. 5 $106.14
Amgen INC. 4 $86.74
Sanofi-Aventis U.S. LLC 5 $83.51
Aurinia Pharma U.S., INC. 3 $72.96

By nature of payment

Food and Beverage
$3,600

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,304
Patients
839
Total drug cost
$1,711,716
Drug Type Claims Patients Total cost
Jardiance (Empagliflozin) Brand 307 97 $366,634
Metformin Hcl Generic 248 107 $4,948
Ozempic (Semaglutide) Brand 245 68 $429,930
Trulicity (Dulaglutide) Brand 211 54 $358,963
Levothyroxine Sodium Generic 209 81 $5,968
Repaglinide Generic 187 78 $15,624
Atorvastatin Calcium Generic 186 79 $5,008
Farxiga (Dapagliflozin Propanediol) Brand 133 47 $183,382
Pioglitazone Hcl Generic 116 41 $3,960
Metformin Hcl ER (Metformin Hcl) Brand 88 35 $2,303

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Theresa Mai-Hwang's medical specialty?
Dr. Theresa Mai-Hwang practices Physician Assistant in Stanford, CA.
Where does Dr. Theresa Mai-Hwang practice?
Dr. Theresa Mai-Hwang practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Theresa Mai-Hwang's NPI?
Dr. Theresa Mai-Hwang's National Provider Identifier (NPI) is 1629670914, issued by NPPES.
Does Dr. Theresa Mai-Hwang accept Medicare assignment?
Yes. Dr. Theresa Mai-Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.