Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1326606690 Individual Practitioner Male Practitioner

Dr. Brian V Monahan , MD

Colon & Rectal Surgery • Norwalk, CT

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Brian Monahan, MD is a certified Colon & Rectal Surgery practicing in Norwalk, CT. With approximately 7 years of clinical experience since graduating from Georgetown University School Of Medicine in 2019, Dr. Monahan delivers high-quality medical care to the local community at 34 MAPLE ST.

Dr. Monahan is affiliated with Nuvance Health Medical Practice Ct Inc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

34 Maple St

Norwalk, CT 06850

Telephone 2038522000
Associated Practice Facility / Clinic
🏢 Norwalk Hospital Association Facility NPI 1649263880

Medicare Profile & Education

Medical School

Georgetown University School Of Medicine

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Colon & Rectal Surgery in Norwalk, CT

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -11.0 yrs vs City Avg
City Avg: 18.0 Yrs
State Avg: 24.3 Yrs
Regional Practice Density
3 Specialists

Practicing in Norwalk, CT (55 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Monahan (7 Years) 7 Yrs
Norwalk Specialty Average (18.0 Years) 18.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2025-08-27
Colon & Rectal Surgery Primary Specialty

NUCC Taxonomy Code: 208C00000X

State License CT 80590

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License PA MT217949

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 CT 80590

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Connecticut Department Of Health
80590 (CT)

Hospital & Practice Group Affiliations

Nuvance Health Medical Practice Ct Inc

40 Cross St, Norwalk, CT 068514647

Phone: 2035463377

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dleah Epps , PA-C

Physician Assistant - Surgical

NPI 1003592486

Physician Assistant (Certified)

Dr. Timothy Shub , MD

Emergency Medicine

NPI 1013477538

Doctor of Medicine (M.D.)

Madison Hobbs , PA

Physician Assistant - Medical

NPI 1013652825

Physician Assistant

Dr. Mohammed Alaquily , MD

Student in an Organized Health Care Education/Training Program

NPI 1033961362

Doctor of Medicine (M.D.)

NPI 1043759301

Doctor of Osteopathic Medicine (D.O.)

Dr. Sunaina Dias , DO

Internal Medicine - Hospice and Palliative Medicine

NPI 1043831795

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location May 21, 2025

Registered at 34 MAPLE ST, NORWALK, CT 06850 (Tel: 2038522000)

📍
Updated Business Mailing Address May 21, 2025

Registered at 34 MAPLE ST, NORWALK, CT 068503894

NPI Profile Active June 03, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location June 03, 2019

Registered at 3401 N BROAD ST, PHILADELPHIA, PA 191405189 (Tel: 2157072000)

📍
Updated Business Mailing Address June 03, 2019

Registered at 3401 N BROAD ST, PHILADELPHIA, PA 191405189

👤
Provider Name / Credentials Updated June 03, 2019

Recorded as BRIAN MONAHAN, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 03, 2019

Surgery (License #MT217949 in PA)

🟢
Initial NPI Registration & Enumeration June 03, 2019

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: 1326606690
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 03, 2019
Last Update: August 27, 2025
Sole Proprietor: No

Mailing Address

34 Maple St

Norwalk, CT 068503894

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.