John P. Mazzara, R.PA-C
Medical Physician Assistant · East Patchogue, NY
John P. Mazzara, R.PA-C is a medical physician assistant with a practice address in East Patchogue, New York, and NPI 1265571889, issued on Feb 6, 2007. Check the license (New York 011184-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John P. Mazzara
- Credential
- R.PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 011184-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 285 Sills RD Ste C, East Patchogue, NY 11772
- Phone
- (631) 627-8700
- Enumerated
- Feb 6, 2007
- Record last updated
- Jun 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (631) 627-8707
- Medicare enrollment
- Enrolled (PECOS I20090519000456); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, New York, 2006
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,670 in New York → Look up another NPI →
Verify John P. Mazzara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 011184-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average medical physician assistant in 2024
295 Medicare Part D claims for 231 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin51 claims
- Doxycycline Hyclate35 claims
- Methylprednisolone29 claims
- Cephalexin24 claims
- Albuterol Sulfate Hfa18 claims
- Amoxicillin-Clavulanate Potass18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- North Shore Lij Urgent Care PCRiverhead, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Mazzara among 3,670 medical physician assistant records in New York
John P. Mazzara, R.PA-C is one of 3,670 medical physician assistant records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 71% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2006 · median 2014 among the 1,802 with a school on file
- Record last updated2019 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in New York
There are 3,670 medical physician assistant records in New York.
All 3,670 in New York → Every provider in East Patchogue → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Michelle Bentley, P.A.Patchogue, NY 117721508900218
- Allison Boyle, P.A.Patchogue, NY 117721285988642
- Sam FassnachtPatchogue, NY 117721558670463
- Gianna Flora, PAPatchogue, NY 117721063955474
- Jennifer Fulton, PAE Patchogue, NY 117721649260357
- Laura Gil, RPA-CPatchogue, NY 117721801041835
- Margaret Hallowell, PAPatchogue, NY 117721649465865
- Lyndie Hughes, RPA-CPatchogue, NY 117721780838862
Common questions
What is John P. Mazzara, R.PA-C's NPI number?
John P. Mazzara, R.PA-C's National Provider Identifier (NPI) is 1265571889, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John P. Mazzara, R.PA-C located?
The NPPES record lists a practice address at 285 Sills RD Ste C, East Patchogue, NY, 11772. Phone: (631) 627-8700. Providers update this record themselves, so call before visiting.
How can I verify John P. Mazzara, R.PA-C's license?
NPPES lists New York license number 011184-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does John P. Mazzara, R.PA-C prescribe under Medicare Part D?
In 2024, John P. Mazzara, R.PA-C had 295 Medicare Part D claims for 231 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions 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.