Doctor profile · Federal record

Dr. Marilyn Treadwell, CRNA

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

  • NPI 1356527212
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 East 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
January 2008 — 18 yrs on file
Profile last updated
January 14, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Michigan #4704225073

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356527212. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,156
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 13 13 $89

In context: peer comparison

Among 90 peers in this city , average services per provider: 26. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marilyn Treadwell's medical specialty?
Dr. Marilyn Treadwell practices Certified Registered Nurse Anesthetist in Ann Arbor, MI.
Where does Dr. Marilyn Treadwell practice?
Dr. Marilyn Treadwell practices at 1500 East Medical Center Dr, Ann Arbor, MI 481095048. Office phone: 7349364280.
What is Dr. Marilyn Treadwell's NPI?
Dr. Marilyn Treadwell's National Provider Identifier (NPI) is 1356527212, issued by NPPES.
Does Dr. Marilyn Treadwell accept Medicare assignment?
Yes. Dr. Marilyn Treadwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marilyn Treadwell commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.