Melissa S. Vassas, DO
NPI 1386652048ActiveIndividual· Obstetrics & Gynecology· Canton, OH
Obstetrics & Gynecology (DO) in Canton, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 1998). 289 Medicare patients in 2024, $71,704 paid; nearly all of their 1,544 Part D prescriptions were generic (90%). Mayne Pharma Commercial LLC was the largest of 8 companies reporting payments in 2025, $340.07 in all, mostly food and beverage.
Overview
| NPI | 1386652048 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Feb 16, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 34007410P | OH |
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 - Obstetrics/Gynecology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 289 |
|---|---|
| Services billed | 2,050 across 58 procedure codes |
| Paid by Medicare | $71,704 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,544 · 2,871 30-day fills |
|---|---|
| Patients | 438 |
| Total drug cost | $94,776 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Ohio Physician Professional CorporationCanton, OH · 141 clinicians
- Health Professionals of Holmes County, Inc.Millersburg, OH · 41 clinicians
- My Community Health CenterMagnolia, OH · 25 clinicians
- Stark County Women's Clinic IncCanton, OH · 6 clinicians
Hospital affiliations
- Aultman HospitalCanton, OH
- Mercy Medical CenterCanton, OH
- Pomerene HospitalMillersburg, OH
Industry payments (Open Payments)
- 2025$340.07 · 17 payments from 8 companies
- 2024$459.40 · 18 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $145.86 | 7 |
| Organon LLC | $48.96 | 2 |
| Medtronic, Inc. | $40.35 | 2 |
| Sage Therapeutics, LLC | $35.64 | 2 |
| Boston Scientific Corporation | $29.35 | 1 |
What the 2025 payments were for
- Food and Beverage$340.07 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other OB-GYNs in Canton
- 1053539866
- 1154317956
- 1184712325
- 1205256880
- 1215141411
- 1285848333
- 1316956006
- 1568493476
- 1598752669
- 1699731877
- 1699833756
- 1942734983