Channa Perera, M.D.
NPI 1467458216ActiveIndividual· Internal Medicine· West Haven, CT
Internal Medicine (M.D.) with Campbell Medical Services LLC, practicing in West Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,418,643 for 10,851 claims, against $57,572 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 25 companies reporting payments in 2025, $2,834 in all, mostly food and beverage. Lists Griffin Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1467458216 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 27, 2005 |
| Last updated in NPPES | Sep 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036182 | 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 | 290 |
|---|---|
| Services billed | 689 across 29 procedure codes |
| Paid by Medicare | $57,572 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,851 · 13,416 30-day fills |
|---|---|
| Patients | 636 |
| Total drug cost | $1,418,643 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Campbell Medical Services LLCWest Haven, CT · 13 clinicians
Hospital affiliations
- Griffin HospitalDerby, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Yale New Haven Health - Health at HomeHome health agency · Milford, CT
- Constellation Home CareHospice · Norwalk, CT
- Arden Care CenterNursing home · Hamden, CT
- Bradley Home Infirmary/PavilionNursing home · Meriden, CT
- Grandview Rehabilitation and Healthcare CenterNursing home · New Britain, CT
- Guilford House, theNursing home · Guilford, CT
- Montowese Center for Health & RehabilitationNursing home · North Haven, CT
Industry payments (Open Payments)
- 2025$2,834 · 149 payments from 25 companies
- 2024$2,730 · 141 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $649.51 | 49 |
| Glaxosmithkline, LLC. | $318.08 | 17 |
| Astellas Pharma US Inc | $286.86 | 8 |
| Amgen Inc. | $165.69 | 8 |
| Exact Sciences Corporation | $150.08 | 6 |
What the 2025 payments were for
- Food and Beverage$2,720 · 147 payments
- Education$113.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 92 internal medicine physicians in West Haven · All internal medicine physicians in Connecticut