Doctor profile · Federal record

Dr. Wendy Marder, MD

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Ann Arbor, MI

  • NPI 1205911815
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 East Medical Center Dr, 3Rd Floor Taubman Ctr Recp A
Ann Arbor, MI 481095370
(734) 647-5900
Mailing address
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 21, 2012
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Michigan #4301078420
Medicaid
MI #4519886

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205911815. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
72
Distinct HCPCS
2
Medicare allowed
$6,794
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 42 37 $97
99214 Established patient office or other outpatient visit, 30-39 minutes 30 30 $91

In context: peer comparison

Among 19 peers in Ann Arbor Rheumatology Physician, average services per provider: 94. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
812
Patients
195
Total drug cost
$1,164,811
Drug Type Claims Patients Total cost
Prednisone Generic 159 60 $1,859
Hydroxychloroquine Sulfate Generic 114 43 $11,179
Benlysta (Belimumab) Brand 97 13 $483,013
Methotrexate (Methotrexate Sodium) Brand 71 28 $3,087
Mycophenolate Mofetil Generic 63 21 $10,182
Cyclobenzaprine Hcl Generic 57 17 $679
Tramadol Hcl Generic 47 0 $324
Gabapentin Generic 45 13 $1,270
Enbrel Sureclick (Etanercept) Brand 33 0 $246,649
Humira(Cf) Pen (Adalimumab) Brand 27 0 $202,790

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendy Marder's medical specialty?
Dr. Wendy Marder practices Rheumatology Physician in Ann Arbor, MI.
Where does Dr. Wendy Marder practice?
Dr. Wendy Marder practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095370. Office phone: 7346475900.
What is Dr. Wendy Marder's NPI?
Dr. Wendy Marder's National Provider Identifier (NPI) is 1205911815, issued by NPPES.
Does Dr. Wendy Marder accept Medicare assignment?
Yes. Dr. Wendy Marder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendy Marder 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). Source: CMS Medicare Physician & Other Practitioners file.