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Endocrinology

Meryl S. Leboff, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Newton, MA · Massachusetts

Summary

Dr. Meryl S. Leboff, MD is an endocrinologist at 221 Longwood Ave, Boston, MA 02115. Phone: (617) 732-5500. Accepts Medicare assignment. In 2024, Meryl S. Leboff had 428 Original Medicare patients and 533 services. NPI 1235106030. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Meryl S. Leboff, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Meryl S. Leboff accept Medicare assignment?
Yes. Medicare's clinician data says Meryl S. Leboff accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Meryl S. Leboff see?
In 2024, CMS data shows 428 Original Medicare patients and 533 services for Meryl S. Leboff. This counts Original Medicare only and measures volume, not quality.
What is Meryl S. Leboff's NPI number?
1235106030. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Meryl S. Leboff, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients428
Services billed to Medicare533
Different services or procedures9
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Dxa bone density measurement of hip, pelvis, spine (77080)290 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)128 services
  3. Dxa bone density measurement of forearm, finger, hand, or foot (77081)76 services
  4. Dxa bone density measurement of hip, pelvis, spine including spine fracture assessment (77085)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Osteoporosis70%
  • High cholesterol66%
  • High blood pressure56%
  • Arthritis46%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)31%
  • Anxiety24%

Hospitals where Meryl S. Leboff works

Medicare's Facility Affiliation Data lists Meryl S. Leboff at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Meryl S. Leboff is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Meryl S. Leboff as a member of this group (CMS data updated October 2, 2026).

  • Brigham and Womens Physicians Organization Inc2,994 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 →

Other clinicians in Brigham and Womens Physicians Organization Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year1975 (51 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235106030
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians