Mark Zacharek, M.D.
NPI 1932275302 · Otolaryngology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Zacharek, M.D. is a Otolaryngology Physician provider in Ann Arbor, MI (NPI 1932275302).
Provider details
- NPI number
- 1932275302
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301065870 (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
420 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) |
|---|---|---|
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 101 | $67 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 84 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $129 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 101 | 34 |
| Prednisolone Acetate | 61 | 19 |
| Fluticasone Propionate | 40 | 11 |
| Azelastine Hcl | 38 | 12 |
| Doxycycline Hyclate | 18 | — |
| Omeprazole | 16 | — |
| Prednisone | 13 | 11 |
| Famotidine | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2010-06-22
Frequently asked questions
- What is Mark Zacharek's NPI number?
- Mark Zacharek's National Provider Identifier (NPI) is 1932275302, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zacharek's specialty?
- Mark Zacharek is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zacharek located?
- Mark Zacharek's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5312.
- What is Mark Zacharek's phone number?
- The practice phone number listed in the NPPES registry for Mark Zacharek is (734) 936-8051.
- Does Mark Zacharek accept Medicare?
- Mark Zacharek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Zacharek's NPI active?
- Yes — Mark Zacharek's NPI (1932275302) is active in the NPPES registry as of the last update on 2010-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.