Eric T. Lao, MD
NPI 1801878681ActiveIndividual· Internal Medicine· South Windsor, CT
Internal Medicine (MD) with Collins Medical Associates 2 PC, practicing in South Windsor, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,048,194 for 18,510 claims, against $80,954 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 23 companies reporting payments in 2025, $1,523 in all, mostly food and beverage. Lists Baystate Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1801878681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 16, 2005 |
| Last updated in NPPES | Jun 22, 2021 |
| Certified by provider | Jun 22, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 209983 | MA |
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 | 283 |
|---|---|
| Services billed | 978 across 30 procedure codes |
| Paid by Medicare | $80,954 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,510 · 24,429 30-day fills |
|---|---|
| Patients | 589 |
| Total drug cost | $1,048,194 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Collins Medical Associates 2 PCHartford, CT · 43 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Bristol HospitalBristol, CT
- Hartford HospitalHartford, CT
- Manchester Memorial HospitalManchester, CT
Other facilities
- Manchester Rehabilitation and Healthcare CenterNursing home · Manchester, CT
- Pines at Bristol for Nursing & Rehabilitation, theNursing home · Bristol, CT
Industry payments (Open Payments)
- 2025$1,523 · 71 payments from 23 companies
- 2024$2,442 · 128 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $419.08 | 23 |
| Pfizer Inc. | $157.64 | 9 |
| Lilly USA, LLC | $147.43 | 6 |
| Exact Sciences Corporation | $138.69 | 5 |
| Axsome Therapeutics, Inc. | $87.92 | 3 |
What the 2025 payments were for
- Food and Beverage$1,523 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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