Quick answers
- Which hospitals does Clare C. Landefeld work at?
- Medicare's official clinician data lists Clare C. Landefeld at 2 hospitals: Brigham and Women's Hospital and University of California Davis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Clare C. Landefeld see patients?
- Medicare's clinician data lists 5 practice locations, including Jamaica Plain, MA, Sacramento, CA and Boston, MA. Call before your visit to confirm the address.
- What is Clare C. Landefeld's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Addiction Medicine.
- Does Clare C. Landefeld accept Medicare assignment?
- Yes. Medicare's clinician data says Clare C. Landefeld 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 Clare C. Landefeld offer telehealth?
- Medicare's clinician data says Clare C. Landefeld offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Clare C. Landefeld?
- (617) 983-7000, as listed in official Medicare / NPI Registry data.
- What is Clare C. Landefeld's NPI number?
- 1144710583. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Clare C. Landefeld works
Medicare's Facility Affiliation Data lists Clare C. Landefeld at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · CCN 220110
- University of California Davis Medical CenterSacramento, CA · Acute Care Hospital · CCN 050599
Practice locations
Addresses where Clare C. Landefeld is enrolled with Medicare (CMS data updated 2026-10-02).
- 1153 Centre StJamaica Plain, MA 02130 (617) 983‑7000
- 2315 Stockton BlvdSacramento, CA 95817
- 4860 Y StSacramento, CA 95817
- 4861 Y StSacramento, CA 95817 (916) 734‑2525
- 75 Francis StBoston, MA 02115 (617) 732‑5500
Group practices
Medicare enrollment lists Clare C. Landefeld as a member of these groups (CMS data updated 2026-10-02).
- Brigham and Womens Physicians Organization Inc2,994 clinicians in the group
- Regents of the Univ of Ca1,584 clinicians in the group
- Regents of the University of California567 clinicians in the group
Specialties
- Internal Medicineprimary
- Addiction Medicinealso
Other internal medicine doctors in Jamaica Plain
Clinicians with the same Medicare primary specialty in Jamaica Plain, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144710583 |
| 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