Lynne Hillis, M.D.
NPI 1558367359ActiveIndividual· Internal Medicine· New Haven, CT
Internal Medicine (M.D.) in New Haven, Connecticut, trained at New York Medical College (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $672,603 for 8,394 claims, against $63,344 paid for services in 2024. Exact Sciences Corporation reported $24.55 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558367359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 27, 2005 |
| Last updated in NPPES | May 27, 2021 |
| Certified by provider | May 27, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 031055 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 911 across 36 procedure codes |
| Paid by Medicare | $63,344 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,394 · 13,517 30-day fills |
|---|---|
| Patients | 701 |
| Total drug cost | $672,603 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hhc Physician Services PLLCHamden, CT · 132 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Griffin HospitalDerby, CT
- St Vincent's Medical CenterBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Atrinity Home HealthHome health agency · Wallingford, CT
- Enhabit Home HealthHome health agency · Rocky Hill, CT
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
- Masters in Home Care, LLCHome health agency · Rocky Hill, CT
- Yale New Haven Health - Health at HomeHome health agency · Milford, CT
- Athena Home Health & HospiceHospice · Farmington, CT
- Connecticut Hospice Inc, theHospice · Branford, CT
- Constellation Home CareHospice · Norwalk, CT
- Masonicare Home Health and Hospice IncHospice · Wallingford, CT
- Mozaic HospiceHospice · Bridgeport, CT
- Gardner Heights Health Care Center, IncNursing home · Shelton, CT
- Masonicare at Bishop Wicke Health & RehabilitationNursing home · Shelton, CT
Industry payments (Open Payments)
- 2025$24.55 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $24.55 | 1 |
What the 2025 payments were for
- Food and Beverage$24.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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