Marissa McCarron, PA
- Medicare patients, 2024
- 214
- Part D claims, 2024
- 1,403
- Hospital affiliations
- 1
- Industry payments
- $90
- Medical groups
- 4
- Practice address
- 200 Belle Terre Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 474-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Marissa McCarron'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 McCarron is a physician assistant in Port Jefferson, New York
Marissa McCarron practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre.
Marissa McCarron's NPI, 1689804593, was assigned on July 27, 2009.
- NPI
- 1689804593NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123203056
- NPI enumeration date
- July 27, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 474-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marissa McCarron practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York
Marissa McCarron's primary practice is Good Samaritan University Hospital St. Charles Campus, at 200 Belle Terre Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 474-6000.
- Good Samaritan University Hospital St. Charles Campus200 Belle Terre Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 474-6000
Source: Dmand AI Affiliation Data
Marissa McCarron is affiliated with 2 sites of care and 4 medical groups
Marissa McCarron's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. The medical group on file is Cardiac Interventional Group. Dmand AI also links Marissa McCarron to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marissa McCarron's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marissa McCarron practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital St. Charles Campus | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Marissa McCarron is one of 11,456 physician assistants in New York
Physician assistant is Marissa McCarron's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Marissa McCarron
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 McCarron treated 214 Medicare patients in 2024, average age 76
CMS counts 214 Medicare patients who saw Marissa McCarron in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have arthritis, and 75% have high blood pressure. 19% are also on Medicaid. Their average risk score is 2.02, 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 McCarron's median patient age at 66, with 36% women.
Marissa McCarron's Medicare patients by age, 2024
Marissa McCarron's Medicare patients by sex, 2024
- Women12157%
- Men9343%
Chronic conditions among Marissa McCarron's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Diabetes47%
- Mood disorders45%
- Anxiety41%
- Depression40%
Share of Medicare patients with each condition. A patient can have several.
Marissa McCarron's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women36%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marissa McCarron wrote 1,403 Medicare Part D claims in 2024
In 2024, Marissa McCarron wrote 1,403 Medicare Part D claims for 282 patients. 92% of them were for generic drugs.
Marissa McCarron's Part D claims by kind of drug, 2024
- Generic1,285 claims92%
- Brand-name118 claims8%
Drug classes CMS tracks in Marissa McCarron's Part D claims, 2024
- Opioids38%536 of 1,403 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
How Marissa McCarron takes part in Medicare
Marissa McCarron accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Marissa McCarron received $90 in industry payments in 2025
CMS Open Payments shows 4 general payments to Marissa McCarron from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $41.
Companies that paid Marissa McCarron the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marissa McCarron'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) |
| Industry payments | Open Payments (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 McCarron
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 McCarron's NPI number?
Marissa McCarron's NPI number is 1689804593. It was assigned on July 27, 2009, and it is active in the NPI Registry.
What does Marissa McCarron specialize in?
Marissa McCarron is a physician assistant in Port Jefferson, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marissa McCarron practice?
Marissa McCarron practices at 200 Belle Terre Road, Port Jefferson, NY 11777. Marissa McCarron's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. Dmand AI also links Marissa McCarron to 3 medical groups and 1 group practice or clinic.
What is Marissa McCarron's office phone number?
The practice phone on file for Marissa McCarron is (631) 474-6000.
Which hospitals is Marissa McCarron affiliated with?
Marissa McCarron practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York.
What medical group is Marissa McCarron part of?
Marissa McCarron is linked to Cardiac Interventional Group. Dmand AI links Marissa McCarron to 3 more medical groups.
Does Marissa McCarron accept Medicare?
Yes. CMS lists Marissa McCarron as accepting Medicare assignment.
How many Medicare patients does Marissa McCarron see?
CMS counts 214 Medicare patients who saw Marissa McCarron in 2024, with an average age of 76.
Has Marissa McCarron received payments from drug or device companies?
CMS Open Payments shows $90 in general payments to Marissa McCarron from 3 companies from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Marissa McCarron been practicing?
Marissa McCarron graduated from medical school in 2009, 17 years ago.
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