Quick answers
- Where does Katherine Fair see patients?
- Medicare's clinician data lists 3 practice locations, including Burlington, MA and Winchester, MA. Call before your visit to confirm the address.
- What is Katherine Fair's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Katherine Fair accept Medicare assignment?
- Yes. Medicare's clinician data says Katherine Fair 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 Katherine Fair?
- (781) 729-9000, as listed in official Medicare / NPI Registry data.
- What is Katherine Fair's NPI number?
- 1629531777. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Katherine Fair is enrolled with Medicare (CMS data updated 2026-10-02).
- 29 Mall RdBurlington, MA 01805
- 41 Highland AveWinchester, MA 01890 (781) 729‑9000
- 41 Mall RdBurlington, MA 01805
Group practices
Medicare enrollment lists Katherine Fair as a member of this group (CMS data updated 2026-10-02).
- Lahey Clinic Inc1,381 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Burlington
Clinicians with the same Medicare primary specialty in Burlington, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629531777 |
| 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
- 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