Mary Margaret Duck Robertshaw, M.D.
NPI 1013181361ActiveIndividual· Internal Medicine· Cincinnati, OH
Internal Medicine (M.D.) with University of Cincinnati Physicians Company LLC, practicing in Cincinnati, Ohio. Their prescriptions cost Medicare Part D more than their services did: $324,655 for 3,413 claims, against $18,684 paid for services in 2024. Abbott Laboratories reported $22.52 in payments in 2025, mostly food and beverage. Lists Bethesda North and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1013181361 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 17, 2008 |
| Last updated in NPPES | Jan 10, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35-098241 | OH |
| Pediatrics | 208000000X | 35-098241 | 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 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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 113 |
|---|---|
| Services billed | 445 across 29 procedure codes |
| Paid by Medicare | $18,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,413 · 6,865 30-day fills |
|---|---|
| Patients | 259 |
| Total drug cost | $324,655 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- University of Cincinnati Physicians Company LLCCincinnati, OH · 1,506 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Christ HospitalCincinnati, OH
- University of Cincinnati Medical Center, LLCCincinnati, OH
- West Chester HospitalWest Chester, OH
Other facilities
- Care Connection of CincinnatiHome health agency · Cincinnati, OH
Industry payments (Open Payments)
- 2025$22.52 · 1 payment from 1 company
- 2024$15.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $22.52 | 1 |
What the 2025 payments were for
- Food and Beverage$22.52 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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