Son H. Phung, MD
Internal Medicine Physician · Flint, MI
Son H. Phung, MD is an internal medicine physician with a practice address in Flint, Michigan, and NPI 1174550172, issued on Jun 26, 2006. Check the license (Michigan 4301079180, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Son H. Phung
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 4301079180 MI
01071370A IN
Self-reported in NPPES; status is on the state search - Practice location
- 725 Mason St, Flint, MI 48503
- Phone
- (810) 496-5543
- Enumerated
- Jun 26, 2006
- Record last updated
- Mar 7, 2023
- Medicaid ID
- 4837343 MI
- Medicare enrollment
- Enrolled (PECOS I20130529000855); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 725 Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl BastienMental Health Counselor1992939540
- Mallory Campbell, RNRegistered Nurse1750930590
- Milton CarrollCommunity Health Worker1043732845
- Rachael Compeau, NPFamily Nurse Practitioner1427587120
- Jeffrey Delay, R.N.Administrator Registered Nurse1699046615
- Maria Donnelly, PMHNPPsychiatric/Mental Health Nurse Practitioner1013928860
Verify Son H. Phung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301079180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,051 Medicare Part D claims for 172 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 158 claims were for opioids.
Most prescribed
- Amlodipine Besylate161 claims
- Metformin Hcl145 claims
- Hydrocodone-Acetaminophen118 claims
- Lisinopril111 claims
- Hydrochlorothiazide100 claims
- Atorvastatin Calcium97 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $100.38
2 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Genesee Health SystemFlint, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Son H. Phung among 5,735 internal medicine physician records in Michigan
Son H. Phung, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2006 among the 3,564 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Flint
They are 187 of the 6,073 NPPES records with a practice address in Flint, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Flint → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Abusalih, MDFlint, MI 485031881027126
- Khalid Ahmed, MDFlint, MI 485031619965175
- Praveen Bheemanathini, M.DFlint, MI 485031669729042
- Thair Dawood, M.D.Flint, MI 485031467716597
- Hernan Gomez, M.D.Flint, MI 485031154419562
- Franz Jaggi, D.O.Flint, MI 485031548358666
- Edward Johnson, M.D.Flint, MI 485031609920032
- Dhanvantri Naga S Muttevi, M.D;Flint, MI 485031245542703
Common questions
What is Son H. Phung, MD's NPI number?
Son H. Phung, MD's National Provider Identifier (NPI) is 1174550172, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Son H. Phung, MD located?
The NPPES record lists a practice address at 725 Mason St, Flint, MI, 48503. Phone: (810) 496-5543. Providers update this record themselves, so call before visiting.
How can I verify Son H. Phung, MD's license?
NPPES lists Michigan license number 4301079180, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Son H. Phung, MD prescribe under Medicare Part D?
In 2024, Son H. Phung, MD had 3,051 Medicare Part D claims for 172 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.