Mark Gawarecki, PA-C
NPI 1649506742 · Physician Assistant · Stony Brook, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gawarecki, PA-C is a Physician Assistant provider in Stony Brook, NY (NPI 1649506742).
Provider details
- NPI number
- 1649506742
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 013641 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2009-10-23
- Last updated
- 2022-07-07
- Certified
- 2022-07-07
Frequently asked questions
- What is Mark Gawarecki's NPI number?
- Mark Gawarecki's National Provider Identifier (NPI) is 1649506742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gawarecki's specialty?
- Mark Gawarecki is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Gawarecki located?
- Mark Gawarecki's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-1619.
- What is Mark Gawarecki's phone number?
- The practice phone number listed in the NPPES registry for Mark Gawarecki is (631) 689-8333.
- Does Mark Gawarecki accept Medicare?
- Mark Gawarecki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gawarecki's NPI active?
- Yes — Mark Gawarecki's NPI (1649506742) is active in the NPPES registry as of the last update on 2022-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.