NPPES file of Aug 9, 2026

Ryan O'Sullivan, CRNA

Certified Registered Nurse Anesthetist · Meadville, PA

Ryan O'Sullivan, CRNA is a certified registered nurse anesthetist with a practice address in Meadville, Pennsylvania, and NPI 1104679398, issued on Apr 8, 2024. Check the license (Pennsylvania RN709409, 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
1104679398
Name
Ryan O'Sullivan
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN709409 PA
Self-reported in NPPES; status is on the state search
Practice location
1034 Grove St, Meadville, PA 16335
Phone
(814) 333-5728
Enumerated
Apr 8, 2024
Record last updated
Sep 23, 2025
Fax
(814) 333-5726
Medicare enrollment
Enrolled (PECOS I20260218000164); 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 4,822 in Pennsylvania → Look up another NPI →

Also registered at 1034 Grove St

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

  1. Michele Allgeier, CRNACertified Registered Nurse Anesthetist1376511071
  2. Leah Arlington, CRNPNurse Practitioner1912382847
  3. Nicholas BancroftPhysical Therapist1689217663
  4. Robert Bazylak, M.D.Family Medicine Physician1285614263
  5. Carolyn Boughner, PT, DPTPhysical Therapist1023656709
  6. Amy Brennan, CRNACertified Registered Nurse Anesthetist1225566698

Verify Ryan O'Sullivan 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 RN709409    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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Bills Medicare through one group practice

  1. Anesthesia Consultants OF Meadville PCMeadville, PA

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

Ryan O'Sullivan among 4,822 certified registered nurse anesthetist records in Pennsylvania

Ryan O'Sullivan, CRNA is one of 4,822 certified registered nurse anesthetist records with a practice address in Pennsylvania. 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 2024, is newer than 95% of them.

  • NPI issued2024 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2025 · median 2012 among the 3,576 with a school on file
  • Record last updated2025 · 59% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 certified registered nurse anesthetist records list a practice address in Meadville

They are 11 of the 686 NPPES records with a practice address in Meadville, and 4,822 certified registered nurse anesthetist records in Pennsylvania.

All 4,822 in Pennsylvania → Every provider in Meadville → Certified Registered Nurse Anesthetist nationwide →

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

  1. Michele Allgeier, CRNAMeadville, PA 163351376511071
  2. Amy Brennan, CRNAMeadville, PA 163351225566698
  3. David Davenport, CRNAMeadville, PA 163351790722700
  4. Phillip Erdeljac, CRNAMeadville, PA 163351598780587
  5. Brian GibbsMeadville, PA 163351336526961
  6. Jeffry Karns, CRNAMeadville, PA 163351548239114
  7. Richard Lyons, CRNAMeadville, PA 163351366481467
  8. Jerod NorthcottMeadville, PA 163351982246567

Common questions

What is Ryan O'Sullivan, CRNA's NPI number?

Ryan O'Sullivan, CRNA's National Provider Identifier (NPI) is 1104679398, issued on Apr 8, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Ryan O'Sullivan, CRNA located?

The NPPES record lists a practice address at 1034 Grove St, Meadville, PA, 16335. Phone: (814) 333-5728. Providers update this record themselves, so call before visiting.

How can I verify Ryan O'Sullivan, CRNA's license?

NPPES lists Pennsylvania license number RN709409, 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.