Doctor profile · Federal record

Dr. Michael Williamson, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Registered Nurse · Chattanooga, TN

  • NPI 1538417092
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 E. Third Street
Chattanooga, TN 374032147
(423) 778-7608
fax (423) 778-2360
Mailing address
Po Box 11225
Chattanooga, TN 374012225

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
November 17, 2014
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Tennessee #APN16986 · Tennessee #RN145626

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538417092. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12
Distinct HCPCS
1
Medicare allowed
$3,872
HCPCS Description Services Patients Avg allowed
00790 Anesthesia for other procedure on upper abdomen 12 12 $323

In context: peer comparison

Among 113 peers in Chattanooga Certified Registered Nurse Anesthetist, average services per provider: 28. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Masimo Corporation 1 $19.71

By nature of payment

Food and Beverage
$20

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Williamson's medical specialty?
Dr. Michael Williamson practices Certified Registered Nurse Anesthetist in Chattanooga, TN.
Where does Dr. Michael Williamson practice?
Dr. Michael Williamson practices at 975 E. Third Street, Chattanooga, TN 374032147. Office phone: 4237787608.
What is Dr. Michael Williamson's NPI?
Dr. Michael Williamson's National Provider Identifier (NPI) is 1538417092, issued by NPPES.
Does Dr. Michael Williamson accept Medicare assignment?
Yes. Dr. Michael Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Williamson commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on upper abdomen (HCPCS 00790). Source: CMS Medicare Physician & Other Practitioners file.