Mallory Grosso
Medical Physician Assistant · New York, NY
Mallory Grosso is a medical physician assistant with a practice address in New York, New York, and NPI 1558833160, issued on Dec 20, 2018. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mallory Grosso
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 4368 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10065
- Phone
- (212) 639-2000
- Enumerated
- Dec 20, 2018
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190312002837); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,670 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nivedita Aanur, M.D.Internal Medicine Physician1982833471
- Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
- Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
- Gina Abdulahad, PA-CPhysician Assistant1174027064
- Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
- Lincy Abraham, NPPediatric Nurse Practitioner1295003739
Verify Mallory Grosso 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
The practice group's MIPS final score for 2023 (Medicare payment program): 80.7 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
- Hartford Healthcare Medical Group Specialists PLLCStorrs, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mallory Grosso among 3,670 medical physician assistant records in New York
Mallory Grosso 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 2018, is newer than 72% of them.
- NPI issued2018 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2018 · median 2014 among the 1,802 with a school on file
- Record last updated2021 · 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 New York → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Maria Baldo, PANew York, NY 100651902946288
- Joni Barrow, P.A.-C.New York, NY 100651407053325
- Lisa Chevalier Forget, P.A.New York, NY 100651386977510
- Joanne GarciaNew York, NY 100651528220811
- Maria Gomez, P.A.New York, NY 100651366685836
- Samara Levin, PA-CNew York, NY 100651184897514
- Dana Levine, PANew York, NY 100651518125434
- Katis Martin, PA-CNew York, NY 100651164617718
Common questions
What is Mallory Grosso's NPI number?
Mallory Grosso's National Provider Identifier (NPI) is 1558833160, issued on Dec 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mallory Grosso located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.
How can I verify Mallory Grosso's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Mallory Grosso's MIPS final score?
The 2023 MIPS final score is 80.7 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.