Margaret M. Sullivan, M.D.
NPI 1154339984ActiveIndividual· Obstetrics & Gynecology· Boston, MA
Obstetrics & Gynecology (M.D.) in Boston, Massachusetts, trained at Tufts University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $17,304 for 189 claims, against $8,955 paid for services in 2024. Hologic Sales and Service, LLC was the largest of 2 companies reporting payments in 2025, $71.58 in all, mostly food and beverage.
Overview
| NPI | 1154339984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Mar 14, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 155036 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 136 across 14 procedure codes |
| Paid by Medicare | $8,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 189 · 343 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $17,304 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Pratt OB/GYN Associates, IncBoston, MA · 61 clinicians
Hospital affiliations
- South Shore HospitalSouth Weymouth, MA
- Tufts Medical CenterBoston, MA
Industry payments (Open Payments)
- 2025$71.58 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $50.79 | 2 |
| Mayne Pharma Commercial LLC | $20.79 | 1 |
What the 2025 payments were for
- Food and Beverage$71.58 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other OB-GYNs in Boston
- 1063442788
- 1073741633
- 1073977617
- 1083624860
- 1104816834
- 1124559984
- 1134658487
- 1154402956
- 1174580823
- 1205275385
- 1215927678
- 1285945022