John P. Mazzara, RPAC
- Medicare services, 2024
- 559
- Medicare patients, 2024
- 313
- Part D claims, 2024
- 295
- Hospital affiliations
- 1
- Medical groups
- 5
- Practice address
- 37 Research Way, East Setauket, NY 11733
- Practice phone
- Call (631) 444-8278
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stony Brook Surgical Associates
Multi-specialty group site · East Setauket, New York
Find John Mazzara's professional email, personal email and mobile number
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John P. Mazzara is a physician assistant in East Setauket, New York
John Mazzara practices at Stony Brook Surgical Associates in East Setauket, New York.
John Mazzara's NPI, 1265571889, was assigned on February 6, 2007. John Mazzara graduated from Touro Un Col of Osteopathic Medicine, New York in 2006. John Mazzara holds New York license 011184-1.
- NPI
- 1265571889NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971652124
- NPI enumeration date
- February 6, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 444-8278
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John P. Mazzara practices at Stony Brook Surgical Associates in East Setauket, New York
John Mazzara's primary practice is Stony Brook Surgical Associates, at 37 Research Way, East Setauket, NY 11733. The practice phone is (631) 444-8278.
- Stony Brook Surgical Associates37 Research Way, East Setauket, NY 11733Phone(631) 444-8278
Source: Dmand AI Affiliation Data
John P. Mazzara is affiliated with 3 sites of care and 5 medical groups
John Mazzara's primary practice is Stony Brook Surgical Associates in East Setauket, New York. John Mazzara is also affiliated with Stony Brook University Hospital. The medical group on file is Stony Brook Surgical Associates. Dmand AI also links John Mazzara to 4 more medical groups and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John P. Mazzara's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Mazzara practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook Surgical Associates | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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John P. Mazzara is one of 2,670 physician assistants in New York
Medical is John Mazzara's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. John Mazzara is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). John Mazzara is licensed in New York.
Specialties and state licenses
- Medical physician assistant, New YorkPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, ankle or foot injury, asthma, conjunctivitis, contact dermatitis, ear infection and fluid and electrolyte imbalances among the conditions John Mazzara treats.
Physician assistants near John Mazzara
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
John P. Mazzara billed Medicare for 559 services in 2024
CMS data shows 559 Medicare services from John Mazzara across 8 procedure codes in 2024, for 313 Medicare patients. Medicare paid $28,102 for them. Every service was in an office.
John Mazzara's Medicare services by type, 2024
- Office and hospital visits319
- Lab and pathology240
John Mazzara compared with the New York median for physician assistants, 2024
- John Mazzara
- New York median
- Medicare services
- 559vs 1942.9 times
- Medicare patients
- 313vs 883.6 times
- Part D claims
- 217vs 47354% below
Medians across 1,670 physician assistants in New York with Dmand AI profiles that report each measure.
John Mazzara's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John P. Mazzara treated 313 Medicare patients in 2024, average age 74
CMS counts 313 Medicare patients who saw John Mazzara in 2024. The largest group is 65 to 74, with 128 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Mazzara's median patient age at 36, with 62% women.
John Mazzara's Medicare patients by age, 2024
John Mazzara's Medicare patients by sex, 2024
- Women20465%
- Men10935%
Chronic conditions among John Mazzara's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis56%
- Ischemic heart disease33%
- Anxiety26%
- Diabetes24%
- Osteoporosis23%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
John Mazzara's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women62%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John P. Mazzara wrote 295 Medicare Part D claims in 2024
In 2024, John Mazzara wrote 295 Medicare Part D claims for 231 patients. 90% of them were for generic drugs. CMS names the drug for 217 of them, across 9 drugs with 11 or more claims each, at $1,723 in total drug cost.
John Mazzara's Part D claims by kind of drug, 2024
- Generic265 claims90%
- Brand-name and other30 claims10%
John Mazzara's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in John Mazzara's Part D claims, 2024
- Antibiotics59%175 of 295 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John P. Mazzara takes part in Medicare
John Mazzara accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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John P. Mazzara graduated from Touro Un Col of Osteopathic Medicine, New York
John Mazzara graduated from Touro Un Col of Osteopathic Medicine, New York in 2006.
- Medical school
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for John P. Mazzara's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about John P. Mazzara
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John P. Mazzara's NPI number?
John P. Mazzara's NPI number is 1265571889. It was assigned on February 6, 2007, and it is active in the NPI Registry.
What does John P. Mazzara specialize in?
John P. Mazzara is a physician assistant in East Setauket, New York. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does John P. Mazzara practice?
John Mazzara practices at 37 Research Way, East Setauket, NY 11733. John Mazzara's primary practice is Stony Brook Surgical Associates in East Setauket, New York. Dmand AI also links John Mazzara to 4 medical groups and 1 group practice or clinic.
What is John P. Mazzara's office phone number?
The practice phone on file for John Mazzara is (631) 444-8278.
What is John P. Mazzara's medical license number?
John Mazzara holds New York license 011184-1.
Which hospitals is John P. Mazzara affiliated with?
John Mazzara is affiliated with Stony Brook University Hospital.
What medical group is John P. Mazzara part of?
John Mazzara is linked to Stony Brook Surgical Associates. Dmand AI links John Mazzara to 4 more medical groups.
Does John P. Mazzara accept Medicare?
Yes. CMS data shows John Mazzara billed Medicare for 559 services in 2024, and John Mazzara accepts Medicare assignment.
How many Medicare patients does John P. Mazzara see?
CMS counts 313 Medicare patients who saw John Mazzara in 2024, with an average age of 74.
Is John P. Mazzara board certified?
Yes. John Mazzara is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
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What services does John P. Mazzara bill to Medicare?
In 2024, John Mazzara's most billed Medicare services were office visit, established patient (99213), lab and pathology test (87811) and office visit, established patient (99214).
Where did John P. Mazzara go to medical school?
John Mazzara graduated from Touro Un Col of Osteopathic Medicine, New York in 2006.
What drugs does John P. Mazzara prescribe most?
In 2024 Medicare Part D data, John Mazzara's most prescribed drugs by claims were Azithromycin, Doxycycline Hyclate and Methylprednisolone.
How long has John P. Mazzara been practicing?
John Mazzara graduated from medical school in 2006, 20 years ago.
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