Quick answers
- Which hospitals does Jack J. Fang work at?
- Medicare's official clinician data lists Jack J. Fang at 4 hospitals: Lahey Hospital & Medical Center, Burlington, Lowell General Hospital, Northeast Hospital Corporation and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jack J. Fang see patients?
- Medicare's clinician data lists 4 practice locations, including Burlington, MA, Lowell, MA and Winchester, MA. Call before your visit to confirm the address.
- What is Jack J. Fang's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does Jack J. Fang accept Medicare assignment?
- Yes. Medicare's clinician data says Jack J. Fang 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 Jack J. Fang?
- (978) 937-6439, as listed in official Medicare / NPI Registry data.
- What is Jack J. Fang's NPI number?
- 1083904080. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jack J. Fang works
Medicare's Facility Affiliation Data lists Jack J. Fang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · CCN 220171
- Lowell General HospitalLowell, MA · Acute Care Hospital · CCN 220063
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · CCN 220033
- Winchester HospitalWinchester, MA · Acute Care Hospital · CCN 220105
Practice locations
Addresses where Jack J. Fang is enrolled with Medicare (CMS data updated 2026-10-02).
- 29 Mall RdBurlington, MA 01805
- 295 Varnum AveLowell, MA 01854 (978) 937‑6439
- 41 Highland AveWinchester, MA 01890 (781) 729‑9000
- 41 Mall RdBurlington, MA 01805
Group practices
Medicare enrollment lists Jack J. Fang as a member of these groups (CMS data updated 2026-10-02).
- Lahey Clinic Inc1,381 clinicians in the group
- Lowell General Inpatient Specialists PLLC67 clinicians in the group
- Winchester Lahey Inpatient Specialists PLLC30 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Burlington
Clinicians with the same Medicare primary specialty in Burlington, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083904080 |
| 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