NPPES file of Aug 9, 2026

Kazem Hak, M.D.

Internal Medicine Physician · Flint, MI

Kazem Hak, M.D. is an internal medicine physician with a practice address in Flint, Michigan, and NPI 1083688725, issued on Feb 16, 2006. Check the license (Michigan 4301067151, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083688725
Name
Kazem Hak
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301067151 MI
Self-reported in NPPES; status is on the state search
Practice location
3400 Fleckenstein RD, Flint, MI 48507
Phone
(810) 230-9323
Enumerated
Feb 16, 2006
Record last updated
Oct 21, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(810) 230-9328
Medicaid ID
4371320 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3400 Fleckenstein RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ed Atty, MDSpecialist1144260332
  2. Angel Rigueras, DOPhysical Medicine & Rehabilitation Physician1780801308
  3. Jessica Samuelson, DNP FNP-BCFamily Nurse Practitioner1730731829
  4. James Stathakios, M.D.Specialist1053351247
  5. Dayna Timmreck, FNP-BCFamily Nurse Practitioner1538606546

Verify Kazem Hak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301067151    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

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6.2 times the Medicare Part D claims of the average internal medicine physician in 2024

19,712 Medicare Part D claims for 895 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. 706 claims were for opioids.

  1. Kazem Hak19,712
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium960 claims
  2. Levothyroxine Sodium754 claims
  3. Alprazolam647 claims
  4. Losartan Potassium589 claims
  5. Omeprazole588 claims
  6. Lisinopril472 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: $2,263.97

118 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Kazem Hak$2,263.97
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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 187 in Flint → All 5,735 in Michigan → Every provider in Flint →

Other internal medicine physician records in Michigan

  1. Jamie Therese Abad, MDDetroit, MI1700573359
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Sura Abbas, MDWarren, MI1801687405
  5. Ramzi Abbasi, MDSaginaw, MI1164270005
  6. Saadat Abbasi, MDKalamazoo, MI1912005596
  7. Shahzaman Abbasi, MDLansing, MI1376512111
  8. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  9. Valerie Abbott, MDSouthfield, MI1740289487
  10. Samer Abboud, MDSaginaw, MI1245804178

Common questions

What is Kazem Hak, M.D.'s NPI number?

Kazem Hak, M.D.'s National Provider Identifier (NPI) is 1083688725, issued on Feb 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kazem Hak, M.D. located?

The NPPES record lists a practice address at 3400 Fleckenstein RD, Flint, MI, 48507. Phone: (810) 230-9323. Providers update this record themselves, so call before visiting.

How can I verify Kazem Hak, M.D.'s license?

NPPES lists Michigan license number 4301067151, 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 Kazem Hak, M.D. prescribe under Medicare Part D?

In 2024, Kazem Hak, M.D. had 19,712 Medicare Part D claims for 895 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.