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Active NPI 1235588351 Individual Practitioner Male Practitioner

Dr. Jon Michael Harrison , MD

Surgery • Boston, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Jon Harrison, MD is a certified Surgery practicing in Boston, MA. With approximately 10 years of clinical experience since completing medical education in 2016, Dr. Harrison delivers high-quality medical care to the local community at MASSACHUSETTS GENERAL HOSPITAL.

Dr. Harrison maintains professional affiliations with Massachusetts General Physicians Organization Inc, The General Hospital Corporation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Practice Location & Contact Primary Location

Practice Address

Massachusetts General Hospital
55 Fruit St.

Boston, MA 02114

Telephone 6177262800
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Boston, MA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -10.9 yrs vs City Avg
City Avg: 20.9 Yrs
State Avg: 28.2 Yrs
Regional Practice Density
454 Specialists

Practicing in Boston, MA (1077 Statewide)

Telehealth Adoption Rate
19.2% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Harrison (10 Years) 10 Yrs
Boston Specialty Average (20.9 Years) 20.9 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-08-14
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MA 266964

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License CA A186315

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

The General Hospital Corporation

55 Fruit St, Boston, MA 021142621

Phone: 6177262000

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Secondary Practice Locations

75 Francis St

Boston, MA 021156106

Phone: 6177325500

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1003669938

Doctor of Medicine (M.D.)

Ethan Agritelley

Student in an Organized Health Care Education/Training Program

NPI 1003754334
Dr. Ruth Delaney , MD

Orthopaedic Surgery

NPI 1013163682

Doctor of Medicine (M.D.)

Dr. Sonia Cohen , MD, PhD

Surgery - Surgical Oncology

NPI 1033557756

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Catherine Williamson , MD

Student in an Organized Health Care Education/Training Program

NPI 1033816079

Doctor of Medicine (M.D.)

NPI 1043062615

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

13 Historical Events
📍
Updated Practice Location August 14, 2025

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA 02114 (Tel: 6177262800)

📍
Updated Business Mailing Address August 14, 2025

Registered at 55 FRUIT ST, BOSTON, MA 021142621 (Tel: 6507234000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 14, 2025

Surgery (License #A186315 in CA)

📍
Updated Practice Location April 27, 2024

Registered at 300 PASTEUR DR, PALO ALTO, CA 943042203 (Tel: 6507234000)

📍
Updated Business Mailing Address April 27, 2024

Registered at 300 PASTEUR DR, PALO ALTO, CA 943042203 (Tel: 6507234000)

📍
Updated Practice Location October 23, 2023

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

📍
Updated Business Mailing Address October 23, 2023

Registered at 300 PASTEUR DR, STANFORD, CA 943052200 (Tel: 6507234000)

NPI Profile Active June 09, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location June 09, 2016

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA 02114 (Tel: 6177262800)

📍
Updated Business Mailing Address June 09, 2016

Registered at MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., BOSTON, MA 02114 (Tel: 6177262800)

👤
Provider Name / Credentials Updated June 09, 2016

Recorded as JON HARRISON, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 09, 2016

Surgery (License #266964 in MA)

🟢
Initial NPI Registration & Enumeration June 09, 2016

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1235588351
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 09, 2016
Last Update: August 14, 2025
Sole Proprietor: No

Mailing Address

55 Fruit St

Boston, MA 021142621

Phone: 6507234000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.