Dr. Marc Roy, MD
- Medicare services, 2024
- 215
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 2,705
- Hospital affiliations
- 1
- Industry payments
- $110
- Practice address
- 154 Main St, Old Saybrook, CT 06475
- Practice phone
- Call (860) 395-1212
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mhs Primary Care
Old Saybrook, Connecticut
Find Dr. Roy'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.
Dr. Marc Roy is a family medicine physician in Old Saybrook, Connecticut
Dr. Roy practices at Mhs Primary Care in Old Saybrook, Connecticut.
Dr. Roy's NPI, 1720428576, was assigned on June 26, 2013. Dr. Roy holds Pennsylvania license MT205290.
- NPI
- 1720428576NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426331208
- NPI enumeration date
- June 26, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 395-1212
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc Roy practices at Mhs Primary Care in Old Saybrook, Connecticut
Dr. Roy's primary practice is Mhs Primary Care, at 154 Main St, Old Saybrook, CT 06475 in Lower Ct River Vly County. The practice phone is (860) 395-1212.
- Mhs Primary Care154 Main St, Old Saybrook, CT 06475 · Lower Ct River Vly CountyPhone(860) 395-1212
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marc Roy is affiliated with 4 sites of care and 1 medical group
Dr. Roy's primary practice is Mhs Primary Care in Old Saybrook, Connecticut. Dr. Roy is also affiliated with Middlesex Hospital. The medical group on file is Middlesex Health. Dmand AI also links Dr. Roy to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marc Roy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mhs Primary Care | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marc Roy is one of 829 family medicine physicians in Connecticut
Family medicine is Dr. Roy's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Roy is licensed in Pennsylvania.
Specialties and state licenses
- Family medicine, PennsylvaniaPrimary
Family medicine physicians near Dr. Roy
Counts of family medicine physicians 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
Dr. Marc Roy billed Medicare for 215 services in 2024
CMS data shows 215 Medicare services from Dr. Roy across 4 procedure codes in 2024, for 133 Medicare patients. Medicare paid $24,210 for them. Every service was in an office.
Dr. Roy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2632024: 17733%
- Other services
- 2023: 752024: 3849%
- Tests and treatments
- 2023: 172024: 0100%
Dr. Roy compared with the Connecticut median for family medicine physicians, 2024
- Dr. Roy
- Connecticut median
- Medicare services
- 215vs 35740% below
- Medicare patients
- 133vs 1437% below
- Part D claims
- 2,299vs 9782.4 times
Medians across 818 family medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Roy'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc Roy treated 133 Medicare patients in 2024, average age 76
CMS counts 133 Medicare patients who saw Dr. Roy in 2024. The largest group is 75 to 84, with 53 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Roy's median patient age at 67, with 24% women.
Dr. Roy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Roy's Medicare patients by sex, 2024
- Women5138%
- Men8262%
Chronic conditions among Dr. Roy's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Ischemic heart disease41%
- Arthritis36%
- Diabetes24%
- Anxiety23%
- Atrial fibrillation22%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Roy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women24%
- Men74%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc Roy wrote 2,705 Medicare Part D claims in 2024
In 2024, Dr. Roy wrote 2,705 Medicare Part D claims for 300 patients. 90% of them were for generic drugs. CMS names the drug for 2,299 of them, across 47 drugs with 11 or more claims each, at $159,753 in total drug cost. In 2023, CMS named 2,660 claims across 58 drugs.
Dr. Roy's Part D claims by kind of drug, 2024
- Generic2,424 claims90%
- Brand-name and other281 claims10%
Dr. Roy'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 Dr. Roy's Part D claims, 2024
- Antibiotics1%20 of 2,705 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,6602024: 2,29914%
Drugs named by CMS: 47 in 2024, 58 in 2023.
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
Dr. Marc Roy offers telehealth to Medicare patients
Dr. Roy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Roy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marc Roy received $110 in industry payments from 2018 to 2019
CMS Open Payments shows 5 general payments to Dr. Roy from 3 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $48.
General payments to Dr. Roy by program year, 2018 to 2019
Companies that paid Dr. Roy the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marc Roy'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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 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 Dr. Marc Roy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marc Roy's NPI number?
Dr. Marc Roy's NPI number is 1720428576. It was assigned on June 26, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc Roy?
Dr. Marc Roy is a family medicine physician in Old Saybrook, Connecticut. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Marc Roy practice?
Dr. Roy practices at 154 Main St, Old Saybrook, CT 06475. Dr. Roy's primary practice is Mhs Primary Care in Old Saybrook, Connecticut. Dmand AI also links Dr. Roy to 1 group practice or clinic and 1 home health agency.
What is Dr. Marc Roy's office phone number?
The practice phone on file for Dr. Roy is (860) 395-1212.
What is Dr. Marc Roy's medical license number?
Dr. Roy holds Pennsylvania license MT205290.
Which hospitals is Dr. Marc Roy affiliated with?
Dr. Roy is affiliated with Middlesex Hospital.
What medical group is Dr. Marc Roy part of?
Dr. Roy is linked to Middlesex Health.
Does Dr. Marc Roy accept Medicare?
Yes. CMS data shows Dr. Roy billed Medicare for 215 services in 2024, and Dr. Roy accepts Medicare assignment.
Does Dr. Marc Roy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Roy as offering telehealth services.
How many Medicare patients does Dr. Marc Roy see?
CMS counts 133 Medicare patients who saw Dr. Roy in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Marc Roy bill to Medicare?
In 2024, Dr. Roy's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G0439).
What drugs does Dr. Marc Roy prescribe most?
In 2024 Medicare Part D data, Dr. Roy's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Marc Roy received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Dr. Roy from 3 companies from 2018 to 2019. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Marc Roy been practicing?
Dr. Roy graduated from medical school in 2013, 13 years ago.
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