Quick answers
- Which hospitals does Muhammad Janisar work at?
- Medicare's official clinician data lists Muhammad Janisar at 5 hospitals: Emerson Hospital -, Lahey Hospital & Medical Center, Burlington, Mount Auburn Hospital, Northeast Hospital Corporation and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Muhammad Janisar see patients?
- Medicare's clinician data lists 6 practice locations, including Concord, MA, South Hamilton, MA and Boston, MA. Call before your visit to confirm the address.
- What is Muhammad Janisar's specialty?
- Medicare lists Hospitalist as the primary specialty.
- Does Muhammad Janisar accept Medicare assignment?
- Yes. Medicare's clinician data says Muhammad Janisar 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.
- What is the phone number for Muhammad Janisar?
- (978) 287-3020, as listed in official Medicare / NPI Registry data.
- What is Muhammad Janisar's NPI number?
- 1972883197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Muhammad Janisar works
Medicare's Facility Affiliation Data lists Muhammad Janisar 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
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · CCN 220171
- Mount Auburn HospitalCambridge, MA · Acute Care Hospital · CCN 220002
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Muhammad Janisar is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 133 Old Rd To 9 Acre CorConcord, MA 01742 (978) 287‑3020
- 15 Railroad AveSouth Hamilton, MA 01982 (978) 468‑7381
- 330 Brookline AveBoston, MA 02215 (617) 754‑8612
- 330 Mount Auburn StCambridge, MA 02138 (781) 983‑9088
- 41 Highland AveWinchester, MA 01890 (781) 729‑9000
Group practices
Medicare enrollment lists Muhammad Janisar as a member of these groups (CMS data updated 2026-10-02).
- Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
- Lahey Clinic Inc1,381 clinicians in the group
- Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group
- Emerson Practice Associates, Inc240 clinicians in the group
- Winchester Lahey Inpatient Specialists PLLC30 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Concord
Clinicians with the same Medicare primary specialty in Concord, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972883197 |
| 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