Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Endocrinology

George L. King, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

George L. King, MD (Endocrinology) is listed by Medicare at 1 hospital in Boston, MA. NPI 1669458816. 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 George L. King, 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

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
51Years since medical school (graduated 1975)
Duke University School Of MedicineMedical school
MaleGender (as listed)
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup practice (+1 more)

Quick answers

Which hospitals does George L. King work at?
Medicare's official clinician data lists George L. King at 1 hospital: Beth Israel Deaconess Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does George L. King see patients?
Medicare's clinician data lists 2 practice locations, including Boston, MA. Call before your visit to confirm the address.
What is George L. King's specialty?
Medicare lists Endocrinology as the primary specialty.
Does George L. King accept Medicare assignment?
Yes. Medicare's clinician data says George L. King 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 George L. King?
(617) 732-2400, as listed in official Medicare / NPI Registry data.
What is George L. King's NPI number?
1669458816. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where George L. King works

Medicare's Facility Affiliation Data lists George L. King 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 George L. King is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists George L. King as a member of these groups (CMS data updated 2026-10-02).

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
  • Joslin Clinic Inc53 clinicians in the group

Specialties

Find other Endocrinology doctors in Massachusetts →

Other endocrinologists in Boston

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

All endocrinologists in Boston →

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1975
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669458816
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