NPPES file of Aug 9, 2026

Chelsi McIlwain, MSN, CRNA

Certified Registered Nurse Anesthetist · Somerset, PA

Chelsi McIlwain, MSN, CRNA is a certified registered nurse anesthetist with a practice address in Somerset, Pennsylvania, and NPI 1558784439, issued on Jan 28, 2014. Check the license (Pennsylvania RN574960, as entered in NPPES) with the Pennsylvania 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
1558784439
Name
Chelsi McIlwain
Credential
MSN, CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN574960 PA
Self-reported in NPPES; status is on the state search
Practice location
225 S Center Ave, Somerset, PA 15501
Phone
(814) 443-5080
Enumerated
Jan 28, 2014
Record last updated
Mar 12, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140515001197); 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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Also registered at 225 S Center Ave

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

  1. Katlyn Adams, RDN, LDNRegistered Dietitian1386468916
  2. Hemanth Andanappa, MDInternal Medicine Physician1265695282
  3. Alexander Ash, CRNACertified Registered Nurse Anesthetist1376258798
  4. Paul Battaglia, MDAnesthesiology Physician1851362099
  5. David Battista, MDAddiction Medicine (Family Medicine) Physician1780755710
  6. Jill Bednarski, PTAPhysical Therapy Assistant1811200579

Verify Chelsi McIlwain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RN574960    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 Pennsylvania 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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One hospital affiliation

  1. Upmc SomersetSomerset, PA · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

9 certified registered nurse anesthetist records list a practice address in Somerset

They are 9 of the 424 NPPES records with a practice address in Somerset, and 4,822 certified registered nurse anesthetist records in Pennsylvania.

All 9 in Somerset → All 4,822 in Pennsylvania → Every provider in Somerset →

Other certified registered nurse anesthetist records in Pennsylvania

  1. Victor Abarca, CRNAHershey, PA1003575853
  2. Marietta Abary, CRNAHuntingdon Valley, PA1467496208
  3. Brandan AbatiPittsburgh, PA1336589357
  4. Amy AbbottPittsburgh, PA1689943490
  5. Leah Abbott, CRNAPittsburgh, PA1710267380
  6. Joyce AbrahamLancaster, PA1962242099
  7. Susan Abrams, CRNAAllentown, PA1043216989
  8. Herman AbuchowskiBethlehem, PA1669148573
  9. Kevin AccettaPhiladelphia, PA1841841632
  10. Amy Acie, CRNAPittsburgh, PA1881652501

Common questions

What is Chelsi McIlwain, MSN, CRNA's NPI number?

Chelsi McIlwain, MSN, CRNA's National Provider Identifier (NPI) is 1558784439, issued on Jan 28, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Chelsi McIlwain, MSN, CRNA located?

The NPPES record lists a practice address at 225 S Center Ave, Somerset, PA, 15501. Phone: (814) 443-5080. Providers update this record themselves, so call before visiting.

How can I verify Chelsi McIlwain, MSN, CRNA's license?

NPPES lists Pennsylvania license number RN574960, as entered by the provider. Search the Pennsylvania 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.