Marisa Mazza, PA-C
Physician Assistant · Philadelphia, PA
Marisa Mazza, PA-C is a physician assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1144817230, issued on Dec 23, 2020. Check the license with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marisa Mazza
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 4170 City Ave, Philadelphia, PA 19131
- Phone
- (215) 262-7037
- Enumerated
- Dec 23, 2020
- Record last updated
- Sep 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20220512000602); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 4170 City Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marisa Mazza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania 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
14% fewer Medicare Part D claims than the average physician assistant in 2024
713 Medicare Part D claims for 248 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 174 claims were for opioids.
Most prescribed
- Mupirocin119 claims
- Oxycodone Hcl111 claims
- Amoxicillin93 claims
- Celecoxib68 claims
- Ondansetron Hcl66 claims
- Famotidine46 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Luminis Health Medical Group, LLCAnnapolis, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marisa Mazza among 8,020 physician assistant records in Pennsylvania
Marisa Mazza, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 63% of them.
- NPI issued2020 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2021 · median 2018 among the 5,313 with a school on file
- Record last updated2024 · 42% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
955 physician assistant records list a practice address in Philadelphia
They are 955 of the 42,849 NPPES records with a practice address in Philadelphia, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Philadelphia → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gia AvallonePhiladelphia, PA 191311881227866
- Evangela Bouikidis, PAPhiladelphia, PA 191311619512365
- Cassius BrownPhiladelphia, PA 191311013301506
- John Cavenagh, PAPhiladelphia, PA 191311649271313
- Shilo DorleyPhiladelphia, PA 191311356885271
- Ania FantePhiladelphia, PA 191311902430564
- Sean Guinane, DHSC, PA-C, DFAAPAPhiladelphia, PA 191311700822111
- Daniela MarquesPhiladelphia, PA 191311265095657
Common questions
What is Marisa Mazza, PA-C's NPI number?
Marisa Mazza, PA-C's National Provider Identifier (NPI) is 1144817230, issued on Dec 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marisa Mazza, PA-C located?
The NPPES record lists a practice address at 4170 City Ave, Philadelphia, PA, 19131. Phone: (215) 262-7037. Providers update this record themselves, so call before visiting.
How can I verify Marisa Mazza, PA-C's license?
Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Marisa Mazza, PA-C prescribe under Medicare Part D?
In 2024, Marisa Mazza, PA-C had 713 Medicare Part D claims for 248 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Marisa Mazza, PA-C's MIPS final score?
The 2023 MIPS final score is 79.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.