Michael Williamson, CRNA
NPI 1538417092 · Certified Registered Nurse Anesthetist · Chattanooga, TN
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Williamson, CRNA is a Certified Registered Nurse Anesthetist provider in Chattanooga, TN (NPI 1538417092).
Provider details
- NPI number
- 1538417092
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- RN145626 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$20 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-08-15
- Last updated
- 2014-11-17
Frequently asked questions
- What is Michael Williamson's NPI number?
- Michael Williamson's National Provider Identifier (NPI) is 1538417092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Williamson's specialty?
- Michael Williamson is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Williamson located?
- Michael Williamson's practice location on file with NPPES is 975 E. Third Street, Chattanooga, TN 37403-2147.
- What is Michael Williamson's phone number?
- The practice phone number listed in the NPPES registry for Michael Williamson is (423) 778-7608.
- Does Michael Williamson accept Medicare?
- Michael Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Williamson's NPI active?
- Yes — Michael Williamson's NPI (1538417092) is active in the NPPES registry as of the last update on 2014-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.