Marissa Ann Sylvester Perez, PA
Surgical Physician Assistant · New London, CT
Marissa Ann Sylvester Perez, PA is a surgical physician assistant with a practice address in New London, Connecticut, and NPI 1508429275, issued on Apr 18, 2019. Check the license (Connecticut 4559, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Ann Sylvester Perez
- Credential
- PA
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 4559 CT
Self-reported in NPPES; status is on the state search - Practice location
- 365 Montauk Ave, New London, CT 06320
- Phone
- (860) 442-0711
- Enumerated
- Apr 18, 2019
- Record last updated
- Feb 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20190913000103); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 808 in Connecticut → Look up another NPI →
Also registered at 365 Montauk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Syeda Kanza AfzalInternal Medicine Physician1043943046
Verify Marissa Ann Sylvester Perez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 4559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average surgical physician assistant in 2024
46 Medicare Part D claims for 28 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Oxycodone Hcl13 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 MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northeast Medical Group IncNew London, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Ann Sylvester Perez among 808 surgical physician assistant records in Connecticut
Marissa Ann Sylvester Perez, PA is one of 808 surgical physician assistant records with a practice address in Connecticut. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 67% of them.
- NPI issued2019 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2019 · median 2016 among the 646 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 surgical physician assistant records list a practice address in New London
They are 17 of the 1,218 NPPES records with a practice address in New London, and 808 surgical physician assistant records in Connecticut.
All 808 in Connecticut → Every provider in New London → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Kelsey BestallNew London, CT 063201295213320
- Margo Coffey, PA-CNew London, CT 063201669684205
- Sophia CollinsNew London, CT 063201720711005
- Jenine Decaprio Gesino, PA-CNew London, CT 063201134132244
- Juan Delprado, PA-CNew London, CT 063201326182650
- Taryn Fabian, PA-CNew London, CT 063201699910489
- Marcelle Loranger Cashman, PA-CNew London, CT 063201275696304
- Elizabeth Mann, PA-CNew London, CT 063201679712053
Common questions
What is Marissa Ann Sylvester Perez, PA's NPI number?
Marissa Ann Sylvester Perez, PA's National Provider Identifier (NPI) is 1508429275, issued on Apr 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Ann Sylvester Perez, PA located?
The NPPES record lists a practice address at 365 Montauk Ave, New London, CT, 06320. Phone: (860) 442-0711. Providers update this record themselves, so call before visiting.
How can I verify Marissa Ann Sylvester Perez, PA's license?
NPPES lists Connecticut license number 4559, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Ann Sylvester Perez, PA prescribe under Medicare Part D?
In 2024, Marissa Ann Sylvester Perez, PA had 46 Medicare Part D claims for 28 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.
What is Marissa Ann Sylvester Perez, PA's MIPS final score?
The 2023 MIPS final score is 93.3 of 100. 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.