Marissa Celine Belyea

  • New Hartford, NY
  • Physician assistant
NPI1619518636PAC ID3375975832
Medicare services, 2024
1,582
Medicare patients, 2024
1,073
Part D claims, 2024
7,483
MIPS score, 2024
75
Hospital affiliations
5
Practice address
2 Ellinwood Dr, New Hartford, NY 13413
Practice phone
Call (315) 478-2887
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Associated Medical Professionals of NY

New Hartford, New York

See all 8 affiliations

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Marissa Celine Belyea is a physician assistant in New Hartford, New York

Marissa Belyea practices at Associated Medical Professionals of NY in New Hartford, New York.

Marissa Belyea's NPI, 1619518636, was assigned on October 1, 2019.

NPI and contact details
Medicare PAC ID
3375975832
NPI enumeration date
October 1, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(315) 478-2887
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Marissa Celine Belyea practices at Associated Medical Professionals of NY in New Hartford, New York

Marissa Belyea's primary practice is Associated Medical Professionals of NY, at 2 Ellinwood Dr, New Hartford, NY 13413 in Oneida County. The practice phone is (315) 478-2887.

  • Associated Medical Professionals of NY
    2 Ellinwood Dr, New Hartford, NY 13413 · Oneida CountyPhone(315) 478-2887

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Marissa Celine Belyea is affiliated with 7 sites of care and 1 medical group

Marissa Belyea's primary practice is Associated Medical Professionals of NY in New Hartford, New York. Marissa Belyea is also affiliated with Wynn Hospital. The medical group on file is Associated Medical Professionals of NY. Dmand AI also links Marissa Belyea to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Marissa Belyea

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Marissa Celine Belyea's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Belyea practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Associated Medical Professionals of NYAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Marissa Celine Belyea is one of 11,456 physician assistants in New York

Physician assistant is Marissa Belyea's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Clinical focus

Dmand AI lists bladder disease, enlarged prostate, lower back pain, multiple sclerosis, parkinson's disease, pneumonia, UTI and yeast infection among the conditions Marissa Belyea treats.

Physician assistants near Marissa Belyea

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

Marissa Celine Belyea billed Medicare for 1,582 services in 2024

CMS data shows 1,582 Medicare services from Marissa Belyea across 7 procedure codes in 2024, for 1,073 Medicare patients. Medicare paid $93,857 for them. Every service was in an office.

Medicare services, 20241,582
Medicare patients1,073
Paid by Medicare$93,857
Procedure codes7

Marissa Belyea's Medicare services by type, 2024

  1. Office and hospital visits1,553
  2. Lab and pathology29

Marissa Belyea compared with the New York median for physician assistants, 2024

  • Marissa Belyea
  • New York median
Medicare services
1,582vs 1769.0 times
Medicare patients
1,073vs 7813.8 times
Part D claims
7,273vs 24529.7 times

Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.

Marissa Belyea'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.

See all procedures by Marissa Belyea

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Marissa Celine Belyea treated 1,073 Medicare patients in 2024, average age 75

CMS counts 1,073 Medicare patients who saw Marissa Belyea in 2024. The largest group is 65 to 74, with 462 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.33, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Marissa Belyea's median patient age at 70, with 38% women.

Medicare patients, 20241,073
Average age75
Average risk score1.33
Also on Medicaid10%

Marissa Belyea's Medicare patients by age, 2024

Marissa Belyea's Medicare patients by sex, 2024

  • Women50347%
  • Men57053%

Chronic conditions among Marissa Belyea's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Cancer31%
  5. Diabetes30%
  6. Ischemic heart disease29%
  7. Anxiety28%
  8. Chronic kidney disease26%

Share of Medicare patients with each condition. A patient can have several.

Marissa Belyea's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women38%
  • Men62%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Marissa Celine Belyea wrote 7,483 Medicare Part D claims in 2024

In 2024, Marissa Belyea wrote 7,483 Medicare Part D claims for 3,066 patients. 84% of them were for generic drugs. CMS names the drug for 7,273 of them, across 43 drugs with 11 or more claims each, at $989,507 in total drug cost.

Part D claims, 20247,483
Drugs named by CMS43
Total drug cost$989,507
Part D patients3,066

Marissa Belyea's Part D claims by kind of drug, 2024

  • Generic6,313 claims84%
  • Brand-name1,153 claims15%
  • Other17 claims0%

Marissa Belyea'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 Marissa Belyea's Part D claims, 2024

  • Opioids0%21 of 7,483 claims
  • Antibiotics31%2,292 of 7,483 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Marissa Belyea

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

Marissa Celine Belyea scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Marissa Belyea for performance year 2024, reported as part of a group. Marissa Belyea accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Marissa Belyea as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

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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Marissa Celine Belyea received $20 in industry payments in 2025

CMS Open Payments shows 1 general payment to Marissa Belyea from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $20.

Companies that paid Marissa Belyea the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Marissa Belyea

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Marissa Celine Belyea's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Marissa Celine Belyea

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 Celine Belyea's NPI number?

Marissa Celine Belyea's NPI number is 1619518636. It was assigned on October 1, 2019, and it is active in the NPI Registry.

What does Marissa Celine Belyea specialize in?

Marissa Celine Belyea is a physician assistant in New Hartford, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Marissa Celine Belyea practice?

Marissa Belyea practices at 2 Ellinwood Dr, New Hartford, NY 13413. Marissa Belyea's primary practice is Associated Medical Professionals of NY in New Hartford, New York. Dmand AI also links Marissa Belyea to 4 hospitals and 1 group practice or clinic.

What is Marissa Celine Belyea's office phone number?

The practice phone on file for Marissa Belyea is (315) 478-2887.

Which hospitals is Marissa Celine Belyea affiliated with?

Marissa Belyea is affiliated with Wynn Hospital. Dmand AI links Marissa Belyea to 4 more hospitals.

What medical group is Marissa Celine Belyea part of?

Marissa Belyea is linked to Associated Medical Professionals of NY.

Does Marissa Celine Belyea accept Medicare?

Yes. CMS data shows Marissa Belyea billed Medicare for 1,582 services in 2024, and Marissa Belyea accepts Medicare assignment.

Does Marissa Celine Belyea offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Marissa Belyea as offering telehealth services.

What is Marissa Celine Belyea's MIPS score?

Marissa Belyea's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Marissa Celine Belyea see?

CMS counts 1,073 Medicare patients who saw Marissa Belyea in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Marissa Celine Belyea bill to Medicare?

In 2024, Marissa Belyea's most billed Medicare services were care management and other visits (99442), office visit, established patient (99214) and office visit, established patient (99213).

What drugs does Marissa Celine Belyea prescribe most?

In 2024 Medicare Part D data, Marissa Belyea's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Levofloxacin.

Has Marissa Celine Belyea received payments from drug or device companies?

CMS Open Payments shows $20 in general payments to Marissa Belyea from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.

How long has Marissa Celine Belyea been practicing?

Marissa Belyea graduated from medical school in 2019, 7 years ago.

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