Registry data as of Aug 27, 2026

Tyler Gillmen, DO

Anesthesiology Physician · Lancaster, PA

Tyler Gillmen, DO is an anesthesiology physician with a practice address in Lancaster, Pennsylvania, and NPI 1336534999, issued on Mar 31, 2015. Check the license (Pennsylvania OS019857, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1336534999
Name
Tyler Gillmen
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
OS019857 PA
Self-reported in NPPES; status is on the state search
Practice location
555 Duke St, Lancaster, PA 17602
Phone
(717) 544-4676
Enumerated
Mar 31, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 555 Duke St

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

  1. Zhezheng Li, D.OStudent in an Organized Health Care Education/Training Program1558893792

Verify Tyler Gillmen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license OS019857
    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
Open 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.

One hospital or facility affiliation

  1. Lancaster General HospitalLancaster, PA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Anesthesiology Physician providers in Pennsylvania

There are 2,368 anesthesiology physician records in Pennsylvania.

Other anesthesiology physician records in Pennsylvania

  1. Mirna Abdallah, MDPittsburgh, PA1730398678
  2. Ashraf Abdelhalim, MDHershey, PA1356931729
  3. Ali Abdullah, M.DPittsburgh, PA1316276579
  4. Leath Abdullah, M.D.Pittsburgh, PA1760913388
  5. Madeel Abdullah, M.D.Philadelphia, PA1780997312
  6. Margherita Abe, MDPhila, PA1487649661
  7. Anil Abraham, MDEast Norriton, PA1730225442
  8. Amer Abu-Obeid, MDReading, PA1346212651
  9. Ezeldeen AbuelkasemPittsburgh, PA1760896054
  10. Matthew Acker, MDMeadowbrook, PA1528007812

Common questions

What is Tyler Gillmen, DO's NPI number?

Tyler Gillmen, DO's National Provider Identifier (NPI) is 1336534999, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tyler Gillmen, DO located?

The NPPES record lists a practice address at 555 Duke St, Lancaster, PA, 17602. Phone: (717) 544-4676. Providers update this record themselves, so call before visiting.

How can I verify Tyler Gillmen, DO's license?

NPPES lists Pennsylvania license number OS019857, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.