Jack Massa
Physician Assistant · Bay Shore, NY
Jack Massa is a physician assistant with a practice address in Bay Shore, New York, and NPI 1942062302, issued on Jan 30, 2024. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jack Massa
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 301 E Main St, Bay Shore, NY 11706
- Phone
- (631) 968-3000
- Enumerated
- Jan 30, 2024
- Record last updated
- Jan 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20241125001594); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 301 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jack Massa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Stony Brook Surgical Associates University Faculty Practice CorporatiHampton Bays, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Massa among 15,555 physician assistant records in New York
Jack Massa 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 2024, is newer than 83% of them.
- NPI issued2024 · 83% of these records are older, 11% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2024 · median 2018 among the 8,158 with a school on file
- Record last updated2024 · 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).
142 physician assistant records list a practice address in Bay Shore
They are 142 of the 1,931 NPPES records with a practice address in Bay Shore, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Bay Shore → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gayle Bergner-Carey, PABay Shore, NY 117061982657821
- Amy Contino-Garrett, PABay Shore, NY 117061336167584
- Cynthia Coons, PABay Shore, NY 117061518985712
- Deborah Crossman, PABay Shore, NY 117061588682736
- Michele Crowell, PABay Shore, NY 117061366476202
- Donna Digregorio, PABay Shore, NY 117061093762064
- Karla Gesslein, PABay Shore, NY 117061558395400
- John Hallowell, PA-C, MBABay Shore, NY 117061629066303
Common questions
What is Jack Massa's NPI number?
Jack Massa's National Provider Identifier (NPI) is 1942062302, issued on Jan 30, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Jack Massa located?
The NPPES record lists a practice address at 301 E Main St, Bay Shore, NY, 11706. Phone: (631) 968-3000. Providers update this record themselves, so call before visiting.
How can I verify Jack Massa'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.