Marissa Ann Sylvester Perez, PA
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 46
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 365 Montauk Ave, New London, CT 06320
- Practice phone
- Call (860) 442-0711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Marissa Perez's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Marissa Ann Sylvester Perez is a surgical physician assistant in New London, Connecticut
Marissa Perez practices at Lawrence + Memorial Hospital in New London, Connecticut, part of Yale New Haven Health System.
Marissa Perez's NPI, 1508429275, was assigned on April 18, 2019. Marissa Perez holds Connecticut license 4559.
- NPI
- 1508429275NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133458318
- NPI enumeration date
- April 18, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (860) 442-0711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marissa Ann Sylvester Perez practices at Lawrence + Memorial Hospital in New London, Connecticut
Marissa Perez's primary practice is Lawrence + Memorial Hospital, at 365 Montauk Ave, New London, CT 06320 in New London County. The practice phone is (860) 442-0711.
- Lawrence + Memorial Hospital365 Montauk Ave, New London, CT 06320 · New London CountyPhone(860) 442-0711
Source: Dmand AI Affiliation Data
Marissa Ann Sylvester Perez is affiliated with 1 site of care and 1 medical group
Marissa Perez's primary practice is Lawrence + Memorial Hospital in New London, Connecticut, part of Yale New Haven Health System. The medical group on file is Northeast Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marissa Ann Sylvester Perez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Perez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lawrence + Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Marissa Ann Sylvester Perez is one of 699 surgical physician assistants in Connecticut
Surgical is Marissa Perez's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Marissa Perez is licensed in Connecticut.
Specialties and state licenses
- Surgical physician assistant, ConnecticutPrimary
Surgical physician assistants near Marissa Perez
Counts of surgical 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
Marissa Ann Sylvester Perez treated 88 Medicare patients in 2024, average age 75
CMS counts 88 Medicare patients who saw Marissa Perez in 2024. The largest group is 75 to 84, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.19, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Marissa Perez's median patient age at 69, with 53% women.
Marissa Perez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marissa Perez's Medicare patients by sex, 2024
- Women4349%
- Men4551%
Chronic conditions among Marissa Perez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Anxiety47%
- Mood disorders45%
- Chronic kidney disease44%
- Diabetes42%
- Atrial fibrillation36%
Share of Medicare patients with each condition. A patient can have several.
Marissa Perez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marissa Ann Sylvester Perez wrote 46 Medicare Part D claims in 2024
In 2024, Marissa Perez wrote 46 Medicare Part D claims for 28 patients. 98% of them were for generic drugs.
Marissa Perez's Part D claims by kind of drug, 2024
- Generic45 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Marissa Perez's Part D claims, 2024
- Opioids41%19 of 46 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Marissa Ann Sylvester Perez scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Marissa Perez for performance year 2024, reported through an alternative payment model (APM). Marissa Perez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Marissa Perez's MIPS scores, performance year 2024
- 100of 100Final score
- 86.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Marissa Ann Sylvester Perez'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 DataDmand AI Org Hierarchy Data |
| 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 (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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Marissa Ann Sylvester Perez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marissa Ann Sylvester Perez's NPI number?
Marissa Ann Sylvester Perez's NPI number is 1508429275. It was assigned on April 18, 2019, and it is active in the NPI Registry.
What does Marissa Ann Sylvester Perez specialize in?
Marissa Ann Sylvester Perez is a surgical physician assistant in New London, Connecticut. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Marissa Ann Sylvester Perez practice?
Marissa Perez practices at 365 Montauk Ave, New London, CT 06320. Marissa Perez's primary practice is Lawrence + Memorial Hospital in New London, Connecticut, part of Yale New Haven Health System.
What is Marissa Ann Sylvester Perez's office phone number?
The practice phone on file for Marissa Perez is (860) 442-0711.
What is Marissa Ann Sylvester Perez's medical license number?
Marissa Perez holds Connecticut license 4559, one of 2 state licenses on file.
Which hospitals is Marissa Ann Sylvester Perez affiliated with?
Marissa Perez practices at Lawrence + Memorial Hospital in New London, Connecticut.
What medical group is Marissa Ann Sylvester Perez part of?
Marissa Perez is linked to Northeast Medical Group.
Does Marissa Ann Sylvester Perez accept Medicare?
Yes. CMS lists Marissa Perez as accepting Medicare assignment.
What is Marissa Ann Sylvester Perez's MIPS score?
Marissa Perez's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Marissa Ann Sylvester Perez see?
CMS counts 88 Medicare patients who saw Marissa Perez in 2024, with an average age of 75.
How long has Marissa Ann Sylvester Perez been practicing?
Marissa Perez graduated from medical school in 2019, 7 years ago.
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