Active NPI
Carleigh Zahn, DO
- Rheumatology Physician
- Ann Arbor, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rheumatology Physician
- License
- 5101026784
- Practice address
- 1500 E Medical Center Dr
Ann Arbor, MI 48109-5000 - Phone
- (734) 936-4000
- NPI assigned
- May 11, 2016
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rheumatology Physician | 207RR0500X | 34.015171 | OH | |
| Student in an Organized Health Care Education/Training Program | 390200000X | 5151011805 | MI | |
| Rheumatology Physician | 207RR0500X | 5101026784 | MI | Primary |
Addresses
Primary practice location
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Mailing address
3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 647-5299
Other practice location 1
1000 Oakland Dr
Kalamazoo, MI 49008-1282
Phone (269) 337-6019
Other practice location 2
3125 Transverse Dr
Toledo, OH 43614-8008
Phone (419) 383-6900
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Rheumatology
- Education
- Michigan State University College of Osteopathic Medicine, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1500 E Medical Ctr
Suite 0331
Ann Arbor, MI 48109-0999
Phone (734) 936-5738
1500 E Medical Ctr 2ND Floor Rec
Taubman Center
Ann Arbor, MI 48109-0999
Phone (734) 936-5020
1500 E Medical Ctr Dr
Ann Arbor, MI 48109-0999
1500 E Medical Ctr Dr
Ann Arbor, MI 48109-5000
1500 E Medical Ctr Dr 1St FL
Taubman Ctr Rec D
Ann Arbor, MI 48109-5000
Phone (734) 936-4185
1500 E Medical Ctr Dr 1St FL Rec D
Taubman Center
Ann Arbor, MI 48109-5000
Phone (734) 764-5175
1500 E Medical Ctr Dr 1St FL Rec F
Mott Hospital
Ann Arbor, MI 48109-5000
Phone (734) 764-5176
1500 E Medical Ctr Dr 1St Flo
Ann Arbor, MI 48109-0999
1500 E Medical Ctr Dr 1St Floor
Ann Arbor, MI 48109-0999
1500 E Medical Ctr Dr 2ND LR
Med Inn
Ann Arbor, MI 48109-0999
Phone (734) 763-5459
1500 E Medical Ctr Dr 3Rd FL Taubma
Ann Arbor, MI 48109-5000
Phone (734) 647-7321
1500 E Medical Ctr Dr B2 Floor R
Cancer and Geriatrics Center
Ann Arbor, MI 48109-0999
Phone (734) 936-6274
1500 E Medical Ctr Dr Level B
Cancer and Geriatrics Center
Ann Arbor, MI 48109-0999
Phone (734) 647-8901
325 Briarwood Cir
Ann Arbor, MI 48108-1605
Phone (888) 287-1082
355 Briarwood Cir
Ann Arbor, MI 48108-1605
Phone (734) 998-7710
375 Briarwood Cir
Suite 3
Ann Arbor, MI 48108-1605
Phone (734) 998-7207
375 Briarwood Circle Building
Suite 3
Ann Arbor, MI 48108-1605
Phone (734) 998-7207
Hospital & facility affiliations
- University of Michigan Health System
- Promedica Monroe Regional Hospital
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5101026784 | MI | MD | Rheumatology Physician |
| 5151011805 | MI | MD | Student in an Organized Health Care Education/Training Program |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents of the University of Michigan | Current | Accepting new patients | |
| Regents of the University of Michigan | Rheumatology | Current | Accepting new patients |
| Regents of the University of Michigan | Current | Accepting new patients | |
| Medical University of Ohio at Toledo | Current | Accepting new patients | |
| Regents of the University of Michigan | Past | Accepting new patients |
Locations
1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280
3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229
3000 Arlington Ave
Toledo, OH 43614
Phone (419) 383-3556
Interoperability endpoints
- czahn38281@direct.utoledo.edu
Organizations & group practices 5
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Ann Arbor, MI
- NPI 1205868353
-
- Rheumatology Physician
- Ann Arbor, MI
- NPI 1821020975
-
- Specialty Pharmacy
- Dexter, MI
- NPI 1952181919
-
- General Acute Care Hospital
- Toledo, OH
- NPI 1811971302
-
- General Acute Care Hospital
- Ann Arbor, MI
- NPI 1003878539
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Monroe, MI
- NPI 1811097223
-
- General Acute Care Hospital
- Ann Arbor, MI
- NPI 1003878539
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1462924800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788134400000",
"number": "1508212291",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3621 S STATE ST",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481081633",
"telephone_number": "734-647-5299"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 E MEDICAL CENTER DR",
"city": "ANN ARBOR",
"state": "MI",
"postal_code": "481095000",
"telephone_number": "734-936-4000"
}
],
"practiceLocations": [
{
"address_1": "1000 Oakland Dr",
"address_purpose": "LOCATION",
"city": "Kalamazoo",
"state": "MI",
"postal_code": "490081282",
"country_code": "US",
"telephone_number": "269-337-6019",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "3125 Transverse Dr",
"address_purpose": "LOCATION",
"city": "Toledo",
"state": "OH",
"postal_code": "436148008",
"country_code": "US",
"telephone_number": "419-383-6900",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZAHN",
"first_name": "CARLEIGH",
"credential": "DO",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-05-11",
"last_updated": "2026-08-31",
"certification_date": "2026-08-31",
"status": "A"
},
"taxonomies": [
{
"code": "207RR0500X",
"taxonomy_group": "",
"desc": "Internal Medicine, Rheumatology",
"state": "OH",
"license": "34.015171",
"primary": false
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": "MI",
"license": "5151011805",
"primary": false
},
{
"code": "207RR0500X",
"taxonomy_group": "",
"desc": "Internal Medicine, Rheumatology",
"state": "MI",
"license": "5101026784",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Ann Arbor, MI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.