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DR. MARGARET M. FABISZAK MD, PHD
NPI 1487399028
Anesthesiology in Boston, MA

Active since April 28, 2022PECOS Enrolled
75 FRANCIS ST, BOSTON, MA 02115(617) 732-8210 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 17, 2026, Apr 30, 2024, Apr 28, 2022 (3 updates tracked since 2022).

About Dr. Margaret M. Fabiszak Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARGARET M. FABISZAK MD, PHD (NPI 1487399028) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (3013831) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1487399028
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. MARGARET M. FABISZAKCredential: MD, PHD
Location Address75 FRANCIS STBoston, MA 02115-6110
Mailing Address75 Francis StBoston, MA 02115-6110 · (617) 732-8210
Phone(617) 732-8210
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 28, 2022
Last NPPES UpdateApril 17, 20263 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
✔ NPI 1487399028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 3013831
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
75 FRANCIS ST, Boston, MA 02115
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Margaret M. Fabiszak Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002386232
PECOS Enrollment IDI20260528002266
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RUMA RAJBHANDARI
Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 525-6841
WENYA LINDA BI
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (203) 645-9485
CHI YUEN CHAN M.D.
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500
JENNIFER MICHELLE THOMAS MD
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Suffolk County (617) 732-6248
GAURAV SHARMA M.D.
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (951) 259-0890
DR. EUGENE RICHARDSON MD
Internal Medicine (Infectious Disease)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-8881
YEU-SHIN CINDY CHANG M.D., M.P.H.
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Suffolk County (617) 732-8070
CARA L RICHARDS
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Fabiszak's NPI number?

The NPI number for Margaret Fabiszak is 1487399028. It was assigned to this individual provider in the NPPES registry on April 28, 2022.

Where is Margaret Fabiszak located?

Margaret Fabiszak practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-8210.

What is Margaret Fabiszak's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Margaret Fabiszak enrolled in Medicare?

Yes. Margaret Fabiszak is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margaret Fabiszak was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.