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Gastroenterology

James C. Higham Kessler, MD

Works at hospitals in Westminster, CO · Thornton, CO · Colorado

Summary

James C. Higham Kessler, MD (Gastroenterology) is listed by Medicare at 2 hospitals in Westminster, CO and Thornton, CO. NPI 1003105636. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James C. Higham Kessler, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
Washington University School Of MedicineMedical school
MaleGender (as listed)
Rocky Mountain Gastroenterology Associates, PLLCGroup practice

Quick answers

Which hospitals does James C. Higham Kessler work at?
Medicare's official clinician data lists James C. Higham Kessler at 2 hospitals: Centura Health-St Anthony North Health Campus and HCA HealthONE Mountain Ridge. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James C. Higham Kessler see patients?
Medicare's clinician data lists 2 practice locations, including Thornton, CO and Denver, CO. Call before your visit to confirm the address.
What is James C. Higham Kessler's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does James C. Higham Kessler accept Medicare assignment?
Yes. Medicare's clinician data says James C. Higham Kessler 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 James C. Higham Kessler?
(303) 252-4442, as listed in official Medicare / NPI Registry data.
What is James C. Higham Kessler's NPI number?
1003105636. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James C. Higham Kessler works

Medicare's Facility Affiliation Data lists James C. Higham Kessler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James C. Higham Kessler is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James C. Higham Kessler as a member of this group (CMS data updated 2026-10-02).

  • Rocky Mountain Gastroenterology Associates, PLLC36 clinicians in the group

Specialties

Find other Gastroenterology doctors in Colorado →

Other gastroenterologists in Thornton

Clinicians with the same Medicare primary specialty in Thornton, CO — not a recommendation.

All gastroenterologists in Thornton →

Clinician information

CredentialMD
Medical schoolWashington University School Of Medicine
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003105636
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians