Registry data as of Aug 27, 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; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 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
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 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
    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

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

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 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Harold Margolis504
  2. Specialty average885

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, mostly food and beverage; the largest payer was Amgen Inc.. The 6,678 providers of this specialty with any payment received $7,643.36 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$7,643.36

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

One hospital or facility affiliation

  1. Michigan Healthcare Professionals PCFarmington Hills, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hematology & Oncology Physician providers in Michigan

There are 281 hematology & oncology physician records in Michigan.

Other hematology & oncology physician records in Michigan

  1. Ahmed Abdel-Maksoud, MDMidland, MI1295917086
  2. Jonathan Abramson, M. D.Bay City, MI1194715276
  3. Calvin Abro, MDBattle Creek, MI1346765724
  4. Lindsey AckermanSterling Heights, MI1689275026
  5. Paul Adams, M.D.Flint, MI1811952591
  6. Bharat Agrawal, MDKalamazoo, MI1568418358
  7. Shabbir Ahmed, M.D.Detroit, MI1316907348
  8. Tareq Al Baghdadi, MDYpsilanti, MI1861515546
  9. Mohammed Al Hallak, M.D.Detroit, MI1205088556
  10. Anas Al-Janadi, M.D.Grand Rapids, MI1790727360

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 at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. 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 885. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.