Doctor profile · Federal record

Dr. Carleigh Zahn, DO

Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Student in an Organized Health Care Education/Training Program · Ann Arbor, MI

  • NPI 1508212291
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Additional location
3125 Transverse Dr
Toledo, OH 436148008
(419) 383-6900
Additional location
1000 Oakland Dr
Kalamazoo, MI 490081282
(269) 337-6019
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
December 12, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (3)
Michigan #5101026784 · Ohio #34.015171 · Michigan #5151011805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508212291. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
93
Distinct HCPCS
3
Medicare allowed
$9,290
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 45 31 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 30 20 $96
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $120

In context: peer comparison

Among 19 peers in this city , average services per provider: 94. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$265
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $264.57

By nature of payment

Food and Beverage
$265

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
128
Patients
63
Total drug cost
$5,653
Drug Type Claims Patients Total cost
Prednisone Generic 62 23 $675
Hydroxychloroquine Sulfate Generic 24 13 $1,566
Methotrexate (Methotrexate Sodium) Brand 24 16 $1,002
Mycophenolate Mofetil Generic 18 11 $2,410

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Carleigh Zahn's medical specialty?
Dr. Carleigh Zahn practices Rheumatology Physician in Ann Arbor, MI.
Where does Dr. Carleigh Zahn practice?
Dr. Carleigh Zahn practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Carleigh Zahn's NPI?
Dr. Carleigh Zahn's National Provider Identifier (NPI) is 1508212291, issued by NPPES.
Does Dr. Carleigh Zahn accept Medicare assignment?
Yes. Dr. Carleigh Zahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carleigh Zahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.