NPPES file of Aug 9, 2026

Harold Margolis, DO

Hematology & Oncology Physician · Madison Heights, MI

Harold Margolis, DO is a hematology & oncology physician with a practice address in Madison Heights, Michigan, and NPI 1104800986, issued on Dec 5, 2005. Check the license (Michigan 5101005779, 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
1104800986
Name
Harold Margolis
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
5101005779 MI
Self-reported in NPPES; status is on the state search
Practice location
27301 Dequindre RD, Madison Heights, MI 48071
Phone
(248) 399-4400
Enumerated
Dec 5, 2005
Record last updated
Mar 25, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(248) 399-4840
Medicaid ID
4385488-11 MI
Medicare enrollment
Enrolled (PECOS I20091130000402); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 1967
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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8 nearest hematology & oncology physician records → All 340 in Michigan → Look up another NPI →

Also registered at 27301 Dequindre RD

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

  1. Savitha Balaraman, MDMedical Oncology Physician1083696694
  2. Michael Berkovic, DOMedical Oncology Physician1326029265
  3. Natacia Hanson, PA-CPhysician Assistant1619316148
  4. Joel Harris, DODermatology Physician1053390591
  5. Stephen Hoffman, D.O.Gastroenterology Physician1346224193
  6. Jeffrey Margolis, M.D.Hematology & Oncology Physician1871577544

Verify Harold Margolis 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 5101005779    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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43% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

504 Medicare Part D claims for 95 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Harold Margolis504
  2. Specialty average877

Most prescribed

  1. Hydroxyurea97 claims
  2. Imbruvica95 claims
  3. Eliquis33 claims
  4. Prednisone30 claims
  5. Omeprazole26 claims
  6. Methotrexate17 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: $125.71

1 payment: food and beverage; the largest payer was Amgen Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Harold Margolis$125.71
  2. Specialty average$7,481.41

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

  1. Michigan Healthcare Professionals PCFarmington Hills, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Harold Margolis among 340 hematology & oncology physician records in Michigan

Harold Margolis, DO is one of 340 hematology & oncology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1967 · median 2004 among the 206 with a school on file
  • Record last updated2011 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Michigan

There are 340 hematology & oncology physician records in Michigan.

All 340 in Michigan → Every provider in Madison Heights → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Jeffrey Margolis, M.D.Madison Heights, MI 480711871577544
  2. Samer Ballouz, M.D.Royal Oak, MI 480731528068020
  3. Janet Chapman, M.D.Royal Oak, MI 480731972723385
  4. Matthew Cotant, M.D.Royal Oak, MI 480731003930215
  5. Marianne Huben, D.O.Royal Oak, MI 480731871552414
  6. Mohammed Ibrahim, MDRoyal Oak, MI 480731891701082
  7. Deepa Jagtap, M.D.Royal Oak, MI 480731629190095
  8. Ishmael Jaiyesimi, D.O.Royal Oak, MI 480731538128178

Common questions

What is Harold Margolis, DO's NPI number?

Harold Margolis, DO's National Provider Identifier (NPI) is 1104800986, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Harold Margolis, DO located?

The NPPES record lists a practice address at 27301 Dequindre RD, Madison Heights, MI, 48071. Phone: (248) 399-4400. Providers update this record themselves, so call before visiting.

How can I verify Harold Margolis, DO's license?

NPPES lists Michigan license number 5101005779, 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 Harold Margolis, DO prescribe under Medicare Part D?

In 2024, Harold Margolis, DO had 504 Medicare Part D claims for 95 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.