Doctor profile · Federal record

Dr. Son Phung, MD

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Flint, MI

  • NPI 1174550172
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
725 Mason St
Flint, MI 485032421
(810) 496-5543
Additional location
400 Medical Park Dr
Watervliet, MI 490989225
(269) 463-3600
Mailing address
400 Medical Park Dr
Watervliet, MI 490989225

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Michigan #4301079180 · Indiana #01071370A
Medicaid
MI #4837343

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174550172. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$100
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Braeburn Inc. 1 $81.30
ABBVIE INC. 1 $19.08

By nature of payment

Food and Beverage
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,367
Patients
369
Total drug cost
$47,353
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 149 41 $1,808
Amlodipine Besylate Generic 147 37 $1,019
Lisinopril Generic 121 39 $1,073
Metformin Hcl Generic 119 30 $1,053
Levothyroxine Sodium Generic 113 29 $1,374
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 99 21 $443
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 89 27 $3,417
Omeprazole Generic 83 25 $829
Metoprolol Tartrate Generic 77 15 $532
Simvastatin Generic 73 15 $847

Frequently asked questions

Auto-generated from federal data
What is Dr. Son Phung's medical specialty?
Dr. Son Phung practices Internal Medicine Physician in Flint, MI.
Where does Dr. Son Phung practice?
Dr. Son Phung practices at 725 Mason St, Flint, MI 485032421. Office phone: 8104965543.
What is Dr. Son Phung's NPI?
Dr. Son Phung's National Provider Identifier (NPI) is 1174550172, issued by NPPES.
Does Dr. Son Phung accept Medicare assignment?
Yes. Dr. Son Phung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.