Quick answers
- Which hospitals does Pieter A. Cohen work at?
- Medicare's official clinician data lists Pieter A. Cohen at 1 hospital: Cambridge Health Alliance. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Pieter A. Cohen see patients?
- Medicare's clinician data lists 1 practice location in Somerville, MA. Call before your visit to confirm the address.
- What is Pieter A. Cohen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Pieter A. Cohen accept Medicare assignment?
- Yes. Medicare's clinician data says Pieter A. Cohen 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 Pieter A. Cohen offer telehealth?
- Medicare's clinician data says Pieter A. Cohen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Pieter A. Cohen?
- (617) 591-6300, as listed in official Medicare / NPI Registry data.
- What is Pieter A. Cohen's NPI number?
- 1366482804. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Pieter A. Cohen works
Medicare's Facility Affiliation Data lists Pieter A. Cohen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cambridge Health AllianceCambridge, MA · Acute Care Hospital · CCN 220011
Practice locations
Addresses where Pieter A. Cohen is enrolled with Medicare (CMS data updated 2026-10-02).
- 236 Highland AveSomerville, MA 02143 (617) 591‑6300
Group practices
Medicare enrollment lists Pieter A. Cohen as a member of this group (CMS data updated 2026-10-02).
- Cambridge Public Health Commission656 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Somerville
Clinicians with the same Medicare primary specialty in Somerville, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366482804 |
| 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