NPPES file of Aug 9, 2026

John Tierney, PA-C

Physician Assistant · Bethpage, NY

John Tierney, PA-C is a physician assistant with a practice address in Bethpage, New York, and NPI 1669010591, issued on Dec 10, 2019. Check the license with the New York 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
1669010591
Name
John Tierney
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
246 N 4TH St, Bethpage, NY 11714
Phone
(516) 974-6160
Enumerated
Dec 10, 2019
Record last updated
Jan 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210204002365); 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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Verify John Tierney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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
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Bills Medicare through one group practice

  1. North Shore-Lij Medical PCManhasset, NY

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

John Tierney among 15,555 physician assistant records in New York

John Tierney, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.

  • NPI issued2019 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2020 · median 2018 among the 8,158 with a school on file
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

32 physician assistant records list a practice address in Bethpage

They are 32 of the 653 NPPES records with a practice address in Bethpage, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Lisa Abraham, PA-CBethpage, NY 117141043230139
  2. David Berg, PABethpage, NY 117141891747739
  3. Kathryn Buckman, PABethpage, NY 117141487968715
  4. Sophia Combest-Markotsis, PABethpage, NY 117141457514028
  5. Jaclyn CornellBethpage, NY 117141548633001
  6. Alison Dehler-Barnett, RPA-CBethpage, NY 117141437466737
  7. Charles Ferrer, PABethpage, NY 117141053323840
  8. Joann Holmes, R.P.A.Bethpage, NY 117141154365229

Common questions

What is John Tierney, PA-C's NPI number?

John Tierney, PA-C's National Provider Identifier (NPI) is 1669010591, issued on Dec 10, 2019. An NPI identifies a provider in billing; it is not a license.

Where is John Tierney, PA-C located?

The NPPES record lists a practice address at 246 N 4TH St, Bethpage, NY, 11714. Phone: (516) 974-6160. Providers update this record themselves, so call before visiting.

How can I verify John Tierney, PA-C's license?

Search the New York 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.

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.