Quick answers
- Which hospitals does Sanjay Basu work at?
- Medicare's official clinician data lists Sanjay Basu at 5 hospitals: Emerson Hospital -, Lowell General Hospital, Milford Regional Medical Center, UMass Memorial Healthalliance Hospitals and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sanjay Basu see patients?
- Medicare's clinician data lists 4 practice locations, including Groton, MA and Concord, MA. Call before your visit to confirm the address.
- What is Sanjay Basu's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Addiction Medicine.
- Does Sanjay Basu accept Medicare assignment?
- Yes. Medicare's clinician data says Sanjay Basu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Sanjay Basu offer telehealth?
- Medicare's clinician data says Sanjay Basu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Sanjay Basu?
- (978) 278-3321, as listed in official Medicare / NPI Registry data.
- What is Sanjay Basu's NPI number?
- 1285682450. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sanjay Basu works
Medicare's Facility Affiliation Data lists Sanjay Basu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · CCN 220084
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
- Milford Regional Medical CenterMilford, MA · Acute Care Hospital · CCN 220090
- UMass Memorial Healthalliance HospitalsLeominster, MA · Acute Care Hospital · CCN 220001
- UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · CCN 220163
Practice locations
Addresses where Sanjay Basu is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Boston RdGroton, MA 01450 (978) 278‑3321
- 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑3020
- 133 Old Rd To Nine Acre Corner, Mary Beth MisservilleConcord, MA 01742
- 788 Boston RdGroton, MA 01450 (978) 449‑0282
Group practices
Medicare enrollment lists Sanjay Basu as a member of these groups (CMS data updated 2026-10-02).
- Emerson Practice Associates, Inc240 clinicians in the group
- Revere Medical of Massachusetts PC111 clinicians in the group
Specialties
- Internal Medicineprimary
- Addiction Medicinealso
Other internal medicine doctors in Groton
Clinicians with the same Medicare primary specialty in Groton, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285682450 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians