Dr. Marc D. Legris, MD
- Medicare services, 2024
- 297
- Medicare patients, 2024
- 79
- Part D claims, 2024
- 1,470
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 2880 Old Dixwell Ave Suite 200 Suite 200, Hamden, CT 06518-3144
- Practice phone
- Call (203) 848-1803
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Primary Care And Behavioral Health Services
Primary care practice · Hamden, Connecticut
Find Dr. Legris' 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 D. Legris is an internist in Hamden, Connecticut
Dr. Legris practices at Primary Care And Behavioral Health Services in Hamden, Connecticut.
Dr. Legris' NPI, 1114935723, was assigned on August 3, 2006. Dr. Legris graduated from University Of Kentucky College Of Medicine in 1991. Dr. Legris holds Connecticut license 034593.
- NPI
- 1114935723NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305906322
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 848-1803
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marc D. Legris practices at Primary Care and Behavioral Health Services in Hamden, Connecticut
Dr. Legris' primary practice is Primary Care and Behavioral Health Services, at 2880 Old Dixwell Ave Suite 200 Suite 200, Hamden, CT 06518-3144. The practice phone is (203) 848-1803.
- Primary Care and Behavioral Health Services2880 Old Dixwell Ave Suite 200 Suite 200, Hamden, CT 06518-3144Phone(203) 848-1803
Source: Dmand AI Affiliation Data
Dr. Marc D. Legris is affiliated with 3 sites of care and 4 medical groups
Dr. Legris' primary practice is Primary Care And Behavioral Health Services in Hamden, Connecticut. Dr. Legris is also affiliated with Yale New Haven Hospital. The medical group on file is Primary Care and Behavioral Health Services. Dmand AI also links Dr. Legris to 3 more medical groups and 1 therapy and rehab clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marc D. Legris' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Legris practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Primary Care And Behavioral Health Services | Available with a free account |
| +2 more sites 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marc D. Legris is one of 2,189 internists in Connecticut
Internal medicine is Dr. Legris' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Legris is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, adjustment disease, aneurysm, anxiety, arthritis and asthma among the conditions Dr. Legris treats.
Internists near Dr. Legris
Counts of internists 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 D. Legris billed Medicare for 297 services in 2024
CMS data shows 297 Medicare services from Dr. Legris across 8 procedure codes in 2024, for 79 Medicare patients. Medicare paid $20,612 for them. Every service was in an office.
Dr. Legris' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2202024: 18118%
- Other services
- 2023: 442024: 116164%
Dr. Legris compared with the Connecticut median for internists, 2024
- Dr. Legris
- Connecticut median
- Medicare services
- 297vs 39024% below
- Medicare patients
- 79vs 17254% below
- Part D claims
- 990vs 3432.9 times
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Legris' 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.
Need commercial claims for Dr. Legris?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Legris and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marc D. Legris treated 79 Medicare patients in 2024, average age 70
CMS counts 79 Medicare patients who saw Dr. Legris in 2024. The largest group is 65 to 74, with 32 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 46% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Legris' median patient age at 58, with 49% women.
Dr. Legris' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Legris' Medicare patients by sex, 2024
- Women4456%
- Men3544%
Chronic conditions among Dr. Legris' Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis39%
- Anxiety38%
- Diabetes33%
- Mood disorders30%
- Depression28%
- COPD25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Legris' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women49%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marc D. Legris wrote 1,470 Medicare Part D claims in 2024
In 2024, Dr. Legris wrote 1,470 Medicare Part D claims for 128 patients. 84% of them were for generic drugs. CMS names the drug for 990 of them, across 38 drugs with 11 or more claims each, at $93,320 in total drug cost. In 2023, CMS named 786 claims across 35 drugs.
Dr. Legris' Part D claims by kind of drug, 2024
- Generic1,239 claims84%
- Brand-name and other231 claims16%
Dr. Legris' 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. Legris' Part D claims, 2024
- Opioids3%51 of 1,470 claims
- Antibiotics1%22 of 1,470 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: 7862024: 99026%
Drugs named by CMS: 38 in 2024, 35 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 D. Legris offers telehealth to Medicare patients
Dr. Legris accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Legris as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Marc D. Legris has 1 publication on record
Dmand AI links 1 paper to Dr. Legris in 2016.
Recent publications by Dr. Legris
See who Dr. Legris researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Legris works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marc D. Legris received $4,531 in industry payments from 2023 to 2025
CMS Open Payments shows 230 general payments to Dr. Legris from 35 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $562.
General payments to Dr. Legris by program year, 2023 to 2025
General payments to Dr. Legris by kind, 2023 to 2025
- Food and beverage$4,524100%
- Education$70%
Companies that paid Dr. Legris the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marc D. Legris graduated from University Of Kentucky College Of Medicine
Dr. Legris graduated from University Of Kentucky College Of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Marc D. Legris accepts plans from 12 insurance carriers
Dr. Legris is in network with 12 carriers, including United Healthcare, Elevance and Aetna. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Legris accepts, by number of carriers
- HMO7
- PPO7
- EPO3
- Medicare2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Marc D. Legris'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 D. Legris
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 D. Legris' NPI number?
Dr. Marc D. Legris' NPI number is 1114935723. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marc D. Legris?
Dr. Marc D. Legris is an internist in Hamden, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marc D. Legris practice?
Dr. Legris practices at 2880 Old Dixwell Ave Suite 200 Suite 200, Hamden, CT 06518-3144. Dr. Legris' primary practice is Primary Care And Behavioral Health Services in Hamden, Connecticut. Dmand AI also links Dr. Legris to 3 medical groups and 1 therapy and rehab clinic.
What is Dr. Marc D. Legris' office phone number?
The practice phone on file for Dr. Legris is (203) 848-1803.
What is Dr. Marc D. Legris' medical license number?
Dr. Legris holds Connecticut license 034593.
Which hospitals is Dr. Marc D. Legris affiliated with?
Dr. Legris is affiliated with Yale New Haven Hospital.
What medical group is Dr. Marc D. Legris part of?
Dr. Legris is linked to Primary Care and Behavioral Health Services. Dmand AI links Dr. Legris to 3 more medical groups.
Does Dr. Marc D. Legris accept Medicare?
Yes. CMS data shows Dr. Legris billed Medicare for 297 services in 2024, and Dr. Legris accepts Medicare assignment.
Does Dr. Marc D. Legris offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Legris as offering telehealth services.
How many Medicare patients does Dr. Marc D. Legris see?
CMS counts 79 Medicare patients who saw Dr. Legris in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
What services does Dr. Marc D. Legris bill to Medicare?
In 2024, Dr. Legris' most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).
Where did Dr. Marc D. Legris go to medical school?
Dr. Legris graduated from University Of Kentucky College Of Medicine in 1991.
What drugs does Dr. Marc D. Legris prescribe most?
In 2024 Medicare Part D data, Dr. Legris' most prescribed drugs by claims were Albuterol Sulfate Hfa, Rosuvastatin Calcium and Losartan Potassium.
Has Dr. Marc D. Legris received payments from drug or device companies?
CMS Open Payments shows $4,531 in general payments to Dr. Legris from 35 companies from 2023 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Marc D. Legris been practicing?
Dr. Legris graduated from medical school in 1991, 35 years ago.
Does Dr. Marc D. Legris do research?
Dmand AI links 1 publication to Dr. Legris.
What insurance does Dr. Marc D. Legris accept?
Dr. Legris is in network with 12 carriers, including United Healthcare, Elevance and Aetna. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card