Doctor profile · Federal record

Dr. Katherine McCormack, PA-C

Physician Assistant · Ann Arbor, MI

  • NPI 1003167321
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
September 2012 — 14 yrs on file
Profile last updated
November 23, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601006472

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003167321. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
100
Distinct HCPCS
2
Medicare allowed
$9,365
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 73 33 $103
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 27 15 $68

In context: peer comparison

Among 139 peers in Ann Arbor Physician Assistant, average services per provider: 53. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Regeneron Pharmaceuticals, INC. 1 $39.56

By nature of payment

Food and Beverage
$40

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine McCormack's medical specialty?
Dr. Katherine McCormack practices Physician Assistant in Ann Arbor, MI.
Where does Dr. Katherine McCormack practice?
Dr. Katherine McCormack practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Katherine McCormack's NPI?
Dr. Katherine McCormack's National Provider Identifier (NPI) is 1003167321, issued by NPPES.
Does Dr. Katherine McCormack accept Medicare assignment?
Yes. Dr. Katherine McCormack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine McCormack commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.