Richard Zekman, DO
NPI 1043426521 · Medical Oncology Physician · Royal Oak, MI
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Zekman, DO is a Medical Oncology Physician provider in Royal Oak, MI (NPI 1043426521).
Provider details
- NPI number
- 1043426521
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101015788 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
9,614 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 2,145 | $8 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Ionized)80047 | 1,866 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 933 | $90 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 596 | $26 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 563 | $127 |
| 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 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 333 | 78 |
| Apixabanbrand: Eliquis | 165 | 35 |
| Dexamethasone | 153 | 80 |
| Hydroxyurea | 143 | 32 |
| Ondansetron Hcl | 135 | 87 |
| Acyclovir | 124 | 33 |
| Prednisone | 99 | 47 |
| Lenalidomide | 88 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-14
- Last updated
- 2011-03-25
Frequently asked questions
- What is Richard Zekman's NPI number?
- Richard Zekman's National Provider Identifier (NPI) is 1043426521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Zekman's specialty?
- Richard Zekman is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Zekman located?
- Richard Zekman's practice location on file with NPPES is 3577 W 13 Mile Rd, Royal Oak, MI 48073-6710.
- What is Richard Zekman's phone number?
- The practice phone number listed in the NPPES registry for Richard Zekman is (248) 551-3446.
- Does Richard Zekman accept Medicare?
- Richard Zekman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Zekman's NPI active?
- Yes — Richard Zekman's NPI (1043426521) 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.