Champa Dassanayake, MD
NPI 1538148150ActiveIndividual· Internal Medicine· West Bloomfield, MI
Internal Medicine (MD) with Comprehensive Primary Care Physicians PLLC, practicing in West Bloomfield, Michigan. Their prescriptions cost Medicare Part D more than their services did: $126,643 for 1,812 claims, against $12,136 paid for services in 2024. Novo Nordisk Inc was the largest of 5 companies reporting payments in 2025, $131.34 in all, mostly food and beverage. Lists Beaumont Hospital Royal Oak as a hospital affiliation.
Overview
| NPI | 1538148150 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 12, 2006 |
| Last updated in NPPES | Aug 5, 2025 |
| Certified by provider | Aug 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301064282 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 193 across 30 procedure codes |
| Paid by Medicare | $12,136 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,812 · 4,083 30-day fills |
|---|---|
| Patients | 168 |
| Total drug cost | $126,643 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Comprehensive Primary Care Physicians PLLCBingham Farms, MI · 3 clinicians
Hospital affiliation
- Beaumont Hospital Royal OakRoyal Oak, MI
Industry payments (Open Payments)
- 2025$131.34 · 6 payments from 5 companies
- 2024$16.69 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $43.62 | 2 |
| Exact Sciences Corporation | $31.22 | 1 |
| Tolmar, Inc. | $21.13 | 1 |
| Lilly USA, LLC | $19.98 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.39 | 1 |
What the 2025 payments were for
- Food and Beverage$131.34 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 internal medicine physicians in West Bloomfield · All internal medicine physicians in Michigan