NPPES file of Aug 9, 2026

Norman Markowitz, M.D.

Internal Medicine Physician · Commerce Twp, MI

Norman Markowitz, M.D. is an internal medicine physician with a practice address in Commerce Twp, Michigan, and NPI 1669425781, issued on May 18, 2006. Check the license (Michigan 4301051604, 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
1669425781
Name
Norman Markowitz
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301051604 MI
Self-reported in NPPES; status is on the state search
Practice location
9640 Commerce RD, Commerce Twp, MI 48382
Phone
(248) 363-1500
Enumerated
May 18, 2006
Record last updated
Nov 21, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(248) 363-1638
Medicare enrollment
Enrolled (PECOS I20071212000059); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 1987
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9640 Commerce RD

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

  1. Kimberly Kelley, AUD, CCC-AAudiologist-Hearing Aid Fitter1962629741
  2. Donald Kitain, D.O.Otolaryngology Physician1376525717

Verify Norman Markowitz 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 4301051604
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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

8,351 Medicare Part D claims for 821 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 40 claims were for opioids.

  1. Norman Markowitz8,351
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium721 claims
  2. Losartan Potassium577 claims
  3. Amlodipine Besylate447 claims
  4. Levothyroxine Sodium407 claims
  5. Omeprazole361 claims
  6. Metformin Hcl249 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: $737.82

44 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.

  1. Norman Markowitz$737.82
  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.

Norman Markowitz among 5,735 internal medicine physician records in Michigan

Norman Markowitz, M.D. 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
  • Graduated1987 · median 2006 among the 3,564 with a school on file
  • Record last updated2007 · 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).

3 internal medicine physician records list a practice address in Commerce Twp

They are 3 of the 146 NPPES records with a practice address in Commerce Twp, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hadi Abou-RassCommerce Township, MI 483821407396252
  2. Batoul Dagher, D.OCommerce Township, MI 483821912248725
  3. Rajat Daniel, MDCommerce Township, MI 483821336203603
  4. David Fintel, DOCommerce Township, MI 483821184206534
  5. Diana Guerrero Betancourt, MDCommerce Township, MI 483821477546059
  6. Aamir Hasan, M.DCommerce Charter Twp, MI 483821588230262
  7. Alka Jain, M.D.Commerce Twp, MI 483821962407544
  8. Samuel Jonnalagadda, MDCommerce Township, MI 483821427147628

Common questions

What is Norman Markowitz, M.D.'s NPI number?

Norman Markowitz, M.D.'s National Provider Identifier (NPI) is 1669425781, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Norman Markowitz, M.D. located?

The NPPES record lists a practice address at 9640 Commerce RD, Commerce Twp, MI, 48382. Phone: (248) 363-1500. Providers update this record themselves, so call before visiting.

How can I verify Norman Markowitz, M.D.'s license?

NPPES lists Michigan license number 4301051604, 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 Norman Markowitz, M.D. prescribe under Medicare Part D?

In 2024, Norman Markowitz, M.D. had 8,351 Medicare Part D claims for 821 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.