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Hospitalist

John Tenbrook, MD

Works at hospitals in South Weymouth, MA · Massachusetts

Summary

John Tenbrook, MD (Hospitalist) is listed by Medicare at 1 hospital in South Weymouth, MA. NPI 1902846439. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John Tenbrook, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
30Years since medical school (graduated 1996)
Geisel School Of Medicine At DartmouthMedical school
MaleGender (as listed)
Coastal Medical AssociatesGroup practice

Quick answers

Which hospitals does John Tenbrook work at?
Medicare's official clinician data lists John Tenbrook at 1 hospital: South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Tenbrook see patients?
Medicare's clinician data lists 1 practice location in Weymouth, MA. Call before your visit to confirm the address.
What is John Tenbrook's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does John Tenbrook accept Medicare assignment?
Yes. Medicare's clinician data says John Tenbrook 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 John Tenbrook?
(781) 792-4136, as listed in official Medicare / NPI Registry data.
What is John Tenbrook's NPI number?
1902846439. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Tenbrook works

Medicare's Facility Affiliation Data lists John Tenbrook at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John Tenbrook is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Tenbrook as a member of this group (CMS data updated 2026-10-02).

  • Coastal Medical Associates443 clinicians in the group

Specialties

Find other Hospitalist doctors in Massachusetts →

Other hospitalists in Weymouth

Clinicians with the same Medicare primary specialty in Weymouth, MA — not a recommendation.

All hospitalists in Weymouth →

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902846439
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians