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Obstetrics/Gynecology

Sandy J. Falk, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Sandy J. Falk, MD is an OB-GYN at 450 Brookline Ave, Boston, MA 02215. Accepts Medicare assignment. In 2024, Sandy J. Falk had 33 Original Medicare patients and 39 services. NPI 1083624860. 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.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 450 Brookline Ave, Boston, MA 02215 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Brigham and Women's Hospital
  • Group practice: Dana-Farber Cancer Institute, Inc.
  • Medical school: Columbia University College Of Physicians And Surgeons · graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sandy J. Falk, 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 Sandy J. Falk accept Medicare assignment?
Yes. Medicare's clinician data says Sandy J. Falk 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 Sandy J. Falk see?
In 2024, CMS data shows 33 Original Medicare patients and 39 services for Sandy J. Falk. This counts Original Medicare only and measures volume, not quality.
What is Sandy J. Falk's NPI number?
1083624860. 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 Sandy J. Falk, 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 patients33
Services billed to Medicare39
Different services or procedures6
Participating Medicare providerYes
Average age of these patients65

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)16 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).

  • High cholesterol67%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)67%
  • High blood pressure45%
  • Arthritis36%
  • Anxiety36%

Hospitals where Sandy J. Falk works

Medicare's Facility Affiliation Data lists Sandy J. Falk 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 Sandy J. Falk is enrolled with Medicare (CMS data updated October 2, 2026).

  • 450 Brookline AveBoston, MA 02215

Group practices

Medicare enrollment lists Sandy J. Falk as a member of this group (CMS data updated October 2, 2026).

  • Dana-Farber Cancer Institute, Inc.684 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Boston

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

All OB-GYNs in Boston →

Other clinicians in Dana-Farber Cancer Institute, Inc.

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

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083624860
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