Nitai Riegler, MD
NPI 1225124514ActiveIndividual· Internal Medicine· Milford, CT
Internal Medicine (MD) with Rehabilitation Associates Inc and 1 other group, practicing in Milford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $738,312 for 5,698 claims, against $69,504 paid for services in 2024. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $374.21 in all, mostly food and beverage. Lists Bridgeport Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225124514 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Mar 22, 2024 |
| Certified by provider | Mar 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 033289 | CT |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 033289 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 220 |
|---|---|
| Services billed | 861 across 32 procedure codes |
| Paid by Medicare | $69,504 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,698 · 11,148 30-day fills |
|---|---|
| Patients | 508 |
| Total drug cost | $738,312 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical groups
- Rehabilitation Associates IncFairfield, CT · 529 clinicians
- Hhc Physician Services PLLCHamden, CT · 132 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- St Vincent's Medical CenterBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Constellation Home CareHome health agency · Norwalk, CT
- Hartford Healthcare at HomeHome health agency · East Hartford, CT
- Stratford VnaHome health agency · Stratford, CT
- Yale New Haven Health - Health at HomeHome health agency · Milford, CT
Industry payments (Open Payments)
- 2025$374.21 · 4 payments from 4 companies
- 2024$19.56 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $122.88 | 1 |
| Astrazeneca Pharmaceuticals LP | $120.17 | 1 |
| Verona Pharma, Inc. | $113.28 | 1 |
| Dexcom, Inc. | $17.88 | 1 |
What the 2025 payments were for
- Food and Beverage$374.21 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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