Carleigh Zahn, DO
NPI 1508212291 · Rheumatology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carleigh Zahn, DO is a Rheumatology Physician provider in Ann Arbor, MI (NPI 1508212291).
Provider details
- NPI number
- 1508212291
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 34.015171 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
296 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 75 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 67 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $102 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 62 | $18 |
| 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 167 | 43 |
| Methotrexate Sodiumbrand: Methotrexate | 133 | 31 |
| Mycophenolate Mofetil | 88 | 24 |
| Hydroxychloroquine Sulfate | 43 | 19 |
| Etanerceptbrand: Enbrel Sureclick | 43 | — |
| Tocilizumabbrand: Actemra Actpen | 28 | — |
| Immun Glob G(igg)/Gly/Iga Ov50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$265 across 2 records (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
Additional practice locations (2)
- 1000 Oakland DrKalamazoo, MI 49008-1282Phone: (269) 337-6019
- 3125 Transverse DrToledo, OH 43614-8008Phone: (419) 383-6900
Registry dates
- Enumerated
- 2016-05-11
- Last updated
- 2022-12-12
- Certified
- 2022-12-12
Frequently asked questions
- What is Carleigh Zahn's NPI number?
- Carleigh Zahn's National Provider Identifier (NPI) is 1508212291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carleigh Zahn's specialty?
- Carleigh Zahn is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Carleigh Zahn located?
- Carleigh Zahn's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Carleigh Zahn's phone number?
- The practice phone number listed in the NPPES registry for Carleigh Zahn is (734) 936-4000.
- Does Carleigh Zahn accept Medicare?
- Carleigh Zahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carleigh Zahn's NPI active?
- Yes — Carleigh Zahn's NPI (1508212291) is active in the NPPES registry as of the last update on 2022-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.