John Tierney, PA-C
NPI 1669010591 · Physician Assistant · Bethpage, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Tierney, PA-C is a Physician Assistant provider in Bethpage, NY (NPI 1669010591).
Provider details
- NPI number
- 1669010591
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 2310 Hempstead TpkeEast Meadow, NY 11554-2035Phone: (516) 531-6492
Registry dates
- Enumerated
- 2019-12-10
- Last updated
- 2021-01-08
- Certified
- 2021-01-08
Frequently asked questions
- What is John Tierney's NPI number?
- John Tierney's National Provider Identifier (NPI) is 1669010591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Tierney's specialty?
- John Tierney is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Tierney located?
- John Tierney's practice location on file with NPPES is 246 N 4th St, Bethpage, NY 11714-2026.
- What is John Tierney's phone number?
- The practice phone number listed in the NPPES registry for John Tierney is (516) 974-6160.
- Does John Tierney accept Medicare?
- John Tierney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Tierney's NPI active?
- Yes — John Tierney's NPI (1669010591) is active in the NPPES registry as of the last update on 2021-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.