Harold Margolis, DO
NPI 1104800986 · Hematology & Oncology Physician · Madison Heights, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Margolis, DO is a Hematology & Oncology Physician provider in Madison Heights, MI (NPI 1104800986).
Provider details
- NPI number
- 1104800986
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101005779 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,944 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 856 | $8 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Ionized)80047 | 855 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 439 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 397 | $128 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 88 | $61 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyurea | 97 | 21 |
| Ibrutinibbrand: Imbruvica | 95 | 12 |
| Apixabanbrand: Eliquis | 33 | — |
| Prednisone | 30 | — |
| Omeprazole | 26 | 15 |
| Methotrexate Sodiumbrand: Methotrexate | 17 | — |
| Eltrombopag Olaminebrand: Promacta | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$126 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-05
- Last updated
- 2011-03-25
Frequently asked questions
- What is Harold Margolis's NPI number?
- Harold Margolis's National Provider Identifier (NPI) is 1104800986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Margolis's specialty?
- Harold Margolis is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Margolis located?
- Harold Margolis's practice location on file with NPPES is 27301 Dequindre Rd, Madison Heights, MI 48071.
- What is Harold Margolis's phone number?
- The practice phone number listed in the NPPES registry for Harold Margolis is (248) 399-4400.
- Does Harold Margolis accept Medicare?
- Harold Margolis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Margolis's NPI active?
- Yes — Harold Margolis's NPI (1104800986) is active in the NPPES registry as of the last update on 2011-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.