Sanjay K. Aggarwal, M.D
NPI 1912927658ActiveIndividual· Internal Medicine· New Haven, CT
Internal Medicine (M.D) with Rehabilitation Associates Inc and 2 other groups, practicing in New Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $228,247 for 2,427 claims, against $45,627 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 14 companies reporting payments in 2025, $1,691 in all, mostly food and beverage. Lists Bridgeport Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1912927658 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036883 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 135 |
|---|---|
| Services billed | 586 across 25 procedure codes |
| Paid by Medicare | $45,627 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,427 · 3,081 30-day fills |
|---|---|
| Patients | 249 |
| Total drug cost | $228,247 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Rehabilitation Associates IncFairfield, CT · 529 clinicians
- Sanjay AggarwalMilford, CT · 7 clinicians
- Genesis Medica LLCWolcott, CT · 3 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Griffin HospitalDerby, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Yale New Haven Health - Health at HomeHome health agency · Milford, CT
- Connecticut Hospice Inc, theHospice · Branford, CT
- Autumn Lake Healthcare at the WillowsNursing home · Woodbridge, CT
- Preferred Care at WallNursing home · Allenwood, NJ
Industry payments (Open Payments)
- 2025$1,691 · 60 payments from 14 companies
- 2024$1,800 · 83 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $455.38 | 13 |
| Indivior Inc. | $293.69 | 11 |
| Abbvie Inc. | $290.61 | 17 |
| Glaxosmithkline, LLC. | $191.67 | 4 |
| Phathom Pharmaceuticals, Inc. | $124.80 | 1 |
What the 2025 payments were for
- Food and Beverage$1,691 · 60 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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