Rosa Lorenia Diaz, M.D.
NPI 1336477009ActiveIndividual· Obstetrics & Gynecology· Lynn, MA
Obstetrics & Gynecology (M.D.) in Lynn, Massachusetts, trained at Stanford University School of Medicine (class of 2008). 57 Medicare patients in 2024, $14,544 paid; nearly all of their 91 Part D prescriptions were generic (95%). Hologic Sales and Service, LLC reported $73.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1336477009 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 18, 2009 |
| Last updated in NPPES | Jan 25, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 252829 | MA |
| Obstetrics & Gynecology | 207V00000X | A110461 | CA |
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 | 57 |
|---|---|
| Services billed | 144 across 34 procedure codes |
| Paid by Medicare | $14,544 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 158 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $5,670 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA · 827 clinicians
Hospital affiliations
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
Industry payments (Open Payments)
- 2025$73.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $73.13 | 1 |
What the 2025 payments were for
- Food and Beverage$73.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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