1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Colon Rectal Surgery
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KEEGAN MICHAEL GUIDOLIN MD
NPI 1649154865
Colon & Rectal Surgery in Boston, MA

Active since August 01, 2025
75 FRANCIS ST, BOSTON, MA 02115(617) 732-5500 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 6, 2026, Mar 19, 2026 (2 updates tracked since 2026).

About Dr. Keegan Michael Guidolin Md NPPES

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

DR. KEEGAN MICHAEL GUIDOLIN MD (NPI 1649154865) is an individual colon & rectal surgery provider in Boston, Massachusetts, licensed in Massachusetts (1028037) and active in the NPI registry since August 2025. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1649154865
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. KEEGAN MICHAEL GUIDOLINCredential: MD
Location Address75 FRANCIS STBoston, MA 02115-6110
Mailing Address75 Francis StBoston, MA 02115-6110
Phone(617) 732-5500
Sole ProprietorYes
Enumeration DateAugust 1, 2025
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1649154865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in MA · 1028037
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
75 FRANCIS ST, Boston, MA 02115
Open in Google Maps ↗

Secondary Practice Locations 2

Location 155 Fruit StBoston, MA 02114-2696 · Phone (617) 726-2000
Location 215 Parkman StBoston, MA 02114-3117 · Phone (617) 726-2000

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Keegan Guidolin's NPI number?

The NPI number for Keegan Guidolin is 1649154865. It was assigned to this individual provider in the NPPES registry on August 1, 2025.

Where is Keegan Guidolin located?

Keegan Guidolin practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.

What is Keegan Guidolin's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

When was this NPI record last updated?

The NPPES record for Keegan Guidolin was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.