NPPES file of Aug 9, 2026

Sheila R. Williamson, CRNA

Certified Registered Nurse Anesthetist · Pontiac, MI

Sheila R. Williamson, CRNA is a certified registered nurse anesthetist with a practice address in Pontiac, Michigan, and NPI 1700188026, issued on Nov 18, 2010. Check the license (Michigan 4704222106, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700188026
Name
Sheila R. Williamson
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
4704222106 MI
Self-reported in NPPES; status is on the state search
Practice location
44405 Woodward Ave, Pontiac, MI 48341
Phone
(248) 858-6539
Enumerated
Nov 18, 2010
Record last updated
Nov 18, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110323000203); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest certified registered nurse anesthetist records → All 3,298 in Michigan → Look up another NPI →

Also registered at 44405 Woodward Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ali Abbas, M.D.Internal Medicine Physician1972167526
  2. Adib Abdelrahman, D.O.Obstetrics & Gynecology Physician1679889406
  3. Ahmed Abubakr, MDInternal Medicine Physician1235624719
  4. Katherine Ackerman, DOGynecologic Oncology Physician1306530902
  5. Imran Ahmed, DOStudent in an Organized Health Care Education/Training Program1902696297
  6. Jasvir Ajimal, DDSDentist1306576897

Verify Sheila R. Williamson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 4704222106    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Henry Ford Health SystemDetroit, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sheila R. Williamson among 3,298 certified registered nurse anesthetist records in Michigan

Sheila R. Williamson, CRNA is one of 3,298 certified registered nurse anesthetist records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 51% of them.

  • NPI issued2010 · 51% of these records are older, 46% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2010 · median 2012 among the 2,454 with a school on file
  • Record last updated2010 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 certified registered nurse anesthetist records list a practice address in Pontiac

They are 55 of the 1,951 NPPES records with a practice address in Pontiac, and 3,298 certified registered nurse anesthetist records in Michigan.

All 3,298 in Michigan → Every provider in Pontiac → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Jody Ament, CRNAPontiac, MI 483411720028582
  2. Lisa Barak-Freedman, CRNAPontiac, MI 483411790712586
  3. Lisa CaballaPontiac, MI 483411174550743
  4. John Ellis, CRNAPontiac, MI 483411477669430
  5. Darlene IwaniwPontiac, MI 483411669417234
  6. Tara Maclaren-Gibson, CRNAPontiac, MI 483411720171861
  7. Andrea Moll, CRNAPontiac, MI 483411730116567
  8. Joseph NavaPontiac, MI 483411336184779

Common questions

What is Sheila R. Williamson, CRNA's NPI number?

Sheila R. Williamson, CRNA's National Provider Identifier (NPI) is 1700188026, issued on Nov 18, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Sheila R. Williamson, CRNA located?

The NPPES record lists a practice address at 44405 Woodward Ave, Pontiac, MI, 48341. Phone: (248) 858-6539. Providers update this record themselves, so call before visiting.

How can I verify Sheila R. Williamson, CRNA's license?

NPPES lists Michigan license number 4704222106, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.