Doctor profile · Federal record

Dr. Katy Williams, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Ann Arbor, MI

  • NPI 1205180510
  • 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, 1H247 University Hospital
Ann Arbor, MI 481095048
(734) 936-4280
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
November 2012 — 14 yrs on file
Profile last updated
January 17, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Michigan #4704292694

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205180510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$2,016
HCPCS Description Services Patients Avg allowed
01922 Anesthesia for x-ray or radiation therapy 16 16 $126

In context: peer comparison

Among 90 peers in Ann Arbor Certified Registered Nurse Anesthetist, average services per provider: 26. This provider delivers 0.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katy Williams's medical specialty?
Dr. Katy Williams practices Certified Registered Nurse Anesthetist in Ann Arbor, MI.
Where does Dr. Katy Williams practice?
Dr. Katy Williams practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095048. Office phone: 7349364280.
What is Dr. Katy Williams's NPI?
Dr. Katy Williams's National Provider Identifier (NPI) is 1205180510, issued by NPPES.
Does Dr. Katy Williams accept Medicare assignment?
Yes. Dr. Katy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katy Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for x-ray or radiation therapy (HCPCS 01922). Source: CMS Medicare Physician & Other Practitioners file.