Michael G. Bertos, M.D.
NPI 1043245145ActiveIndividual· Internal Medicine· N Chelmsford, MA
Internal Medicine (M.D.) in N Chelmsford, Massachusetts, trained at Boston University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $3,129,067 for 32,526 claims, against $216,050 paid for services in 2024. Neurocrine Biosciences, Inc. reported $26.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043245145 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Nov 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 160611 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 952 |
|---|---|
| Services billed | 2,482 across 35 procedure codes |
| Paid by Medicare | $216,050 |
Part D prescriptions in 2024
| Prescriptions (claims) | 32,526 · 46,402 30-day fills |
|---|---|
| Patients | 1,466 |
| Total drug cost | $3,129,067 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Lgh Professional Services LLCNorth Chelmsford, MA · 10 clinicians
Hospital affiliations
- Emerson Hospital -W Concord, MA
- Exeter Hospital IncExeter, NH
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA
- Lowell General HospitalLowell, MA
- St Joseph HospitalNashua, NH
Other facilities
- Amedisys Home Health CareHome health agency · Wakefield, MA
- Bayada Home Health Care, IncHome health agency · Wilmington, MA
- Pathways HealthcareHome health agency · Westwood, MA
- Tufts Medicine Care at HomeHome health agency · Lowell, MA
- Tufts Medicine Care at Home - Home Health NhHome health agency · North Hampton, NH
- Hands and Hearts Hospice CorporationHospice · Wellesley Hills, MA
- Tufts Medicine Care at HomeHospice · Lowell, MA
- West River HospiceHospice · Needham, MA
- Care One at LowellNursing home · Lowell, MA
- Regalcare at LowellNursing home · Lowell, MA
- Sunny Acres Skilled Nursing and Rehabilitation CtrNursing home · Chelmsford, MA
Industry payments (Open Payments)
- 2025$26.01 · 1 payment from 1 company
- 2024$16.88 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $26.01 | 1 |
What the 2025 payments were for
- Food and Beverage$26.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in N Chelmsford
- 1801809967
- 1205861390
- 1710919238