Oliver Gregory, M.D.
NPI 1154768281ActiveIndividual· Internal Medicine· Lynn, MA
Internal Medicine (M.D.) in Lynn, Massachusetts, trained at University of Massachusetts Medical School (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $1,043,788 for 9,912 claims, against $77,043 paid for services in 2024. Lundbeck LLC reported $23.57 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1154768281 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 30, 2013 |
| Last updated in NPPES | Jun 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 265504 | MA |
| Internal Medicine | 207R00000X | LP02789 | RI |
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 - Internal Medicine (MA); Practitioner - Internal Medicine (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 949 across 31 procedure codes |
| Paid by Medicare | $77,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,912 · 18,735 30-day fills |
|---|---|
| Patients | 506 |
| Total drug cost | $1,043,788 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA · 827 clinicians
Hospital affiliations
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Massachusetts General HospitalBoston, MA
- North Shore Medical Center -Salem, MA
- Union Medical CenterUnion, SC
Other facilities
- All Care Vna-Greater Lynn IncHome health agency · Lynn, MA
- Blissful Homecare, LLCHome health agency · North Andover, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Care Dimensions, IncHospice · Danvers, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
- 2024$23.57 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $23.57 | 1 |
What the 2024 payments were for
- Food and Beverage$23.57 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 internal medicine physicians in Lynn · All internal medicine physicians in Massachusetts