John Mazzara, R.PA-C
NPI 1265571889 · Medical Physician Assistant · East Patchogue, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mazzara, R.PA-C is a Medical Physician Assistant provider in East Patchogue, NY (NPI 1265571889).
Provider details
- NPI number
- 1265571889
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- R.PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 011184-1 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
559 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 255 | $88 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 74 | $40 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $124 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 52 | $68 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 48 | $16 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 51 | 51 |
| Doxycycline Hyclate | 35 | 33 |
| Methylprednisolone | 29 | 27 |
| Cephalexin | 24 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 18 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Amoxicillin | 17 | 17 |
Practice location
Mailing address
Additional practice locations (2)
- 259 1st StMineola, NY 11501-3957Phone: (631) 455-2592
- 259 1st StMineola, NY 11501-3957Phone: (631) 455-2592
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2019-06-24
Frequently asked questions
- What is John Mazzara's NPI number?
- John Mazzara's National Provider Identifier (NPI) is 1265571889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mazzara's specialty?
- John Mazzara is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Mazzara located?
- John Mazzara's practice location on file with NPPES is 285 Sills Rd Ste C, East Patchogue, NY 11772.
- What is John Mazzara's phone number?
- The practice phone number listed in the NPPES registry for John Mazzara is (631) 627-8700.
- Does John Mazzara accept Medicare?
- John Mazzara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mazzara's NPI active?
- Yes — John Mazzara's NPI (1265571889) is active in the NPPES registry as of the last update on 2019-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.