Mihaela Donca, M.D.
NPI 1881635670ActiveIndividual· Internal Medicine· Willoughby, OH
Internal Medicine (M.D.) with Lake Hospital System, Inc., practicing in Willoughby, Ohio. Their prescriptions cost Medicare Part D more than their services did: $1,879,142 for 19,396 claims, against $80,868 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $2,236 in all, mostly food and beverage. Lists Hillcrest Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1881635670 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 10, 2006 |
| Last updated in NPPES | Mar 1, 2021 |
| Certified by provider | Mar 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35-087500 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 1,634 across 33 procedure codes |
| Paid by Medicare | $80,868 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,396 · 34,519 30-day fills |
|---|---|
| Patients | 927 |
| Total drug cost | $1,879,142 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Lake Hospital System, Inc.Mentor, OH · 92 clinicians
Hospital affiliations
- Hillcrest HospitalMayfield Heights, OH
- Lake HealthConcord, OH
- Uh Cleveland Medical CenterCleveland, OH
- Uh Regional HospitalsChardon, OH
- University Hospitals Ahuja Medical CenterBeachwood, OH
Other facilities
- University Hospital Home Care Services, IncHome health agency · Warrensville Hts, OH
- Cypress Hospice LLCHospice · Berea, OH
- Hospice of the Western Reserve, IncHospice · Cleveland, OH
- Kirtland Woods of JourneyNursing home · Kirtland, OH
Industry payments (Open Payments)
- 2025$2,236 · 157 payments from 21 companies
- 2024$3,060 · 213 payments from 28 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $381.50 | 26 |
| Pfizer Inc. | $278.75 | 27 |
| Corcept Therapeutics | $257.18 | 11 |
| Novo Nordisk Inc | $174.25 | 14 |
| Otsuka America Pharmaceutical, Inc. | $170.47 | 9 |
What the 2025 payments were for
- Food and Beverage$2,236 · 157 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Willoughby
- 1750317210
- 1164506762
- 1922308774
- 1649607433
- 1164697629
- 1417991332
- 1477755411
- 1760431860
- 1770699019
- 1104866565
- 1144756248
- 1194802454