Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Colorectal Surgery (Proctology)

John Monson, MD

Sees patients in Great Neck, NY · New York

Summary

John Monson, MD (Colorectal Surgery (Proctology)) is enrolled with Medicare at 1 practice location in Great Neck, NY. NPI 1982851119. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John Monson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Colorectal Surgery (Proctology)Primary specialty
YesAccepts Medicare assignment
47Years since medical school (graduated 1979)
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Where does John Monson see patients?
Medicare's clinician data lists 1 practice location in Great Neck, NY. Call before your visit to confirm the address.
What is John Monson's specialty?
Medicare lists Colorectal Surgery (Proctology) as the primary specialty, and also General Surgery.
Does John Monson accept Medicare assignment?
Yes. Medicare's clinician data says John Monson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John Monson?
(516) 207-7797, as listed in official Medicare / NPI Registry data.
What is John Monson's NPI number?
1982851119. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where John Monson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Monson as a member of this group (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in New York →

Other colorectal surgeons in Great Neck

Clinicians with the same Medicare primary specialty in Great Neck, NY — not a recommendation.

All colorectal surgeons in Great Neck →

Clinician information

CredentialMD
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982851119
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians