Ruili Gu, M.D.
NPI 1104858851ActiveIndividual· Internal Medicine· Danvers, MA
Internal Medicine (M.D.) with Mass General Brigham Medical Group Northern Massachusetts Inc, practicing in Danvers, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $229,919 for 3,984 claims, against $106,014 paid for services in 2024. Lists Lahey Hospital & Medical Center, Burlington and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1104858851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Mar 29, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 150606 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 311 |
|---|---|
| Services billed | 1,365 across 41 procedure codes |
| Paid by Medicare | $106,014 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,984 · 9,215 30-day fills |
|---|---|
| Patients | 419 |
| Total drug cost | $229,919 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| 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
- Northeast Hospital CorporationBeverly, MA
Other facilities
- Amedisys Home Health CareHome health agency · Wakefield, MA
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
- Spaulding Rehabilitation HospitalInpatient rehabilitation facility · Charlestown, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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