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

Colorectal Surgery (Proctology)

Katherine A. Kelley, MD

Works at hospitals in Battle Creek, MI · Paw Paw, MI · Kalamazoo, MI · Michigan

Summary

Dr. Katherine A. Kelley, MD is a colorectal surgeon at 601 John St, Suite 302, Kalamazoo, MI 49007. Phone: (269) 341-4890. Accepts Medicare assignment. In 2024, Katherine A. Kelley had 215 Original Medicare patients and 317 services. NPI 1245598820. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine A. Kelley, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Katherine A. Kelley accept Medicare assignment?
Yes. Medicare's clinician data says Katherine A. Kelley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Katherine A. Kelley see?
In 2024, CMS data shows 215 Original Medicare patients and 317 services for Katherine A. Kelley. This counts Original Medicare only and measures volume, not quality.
What is Katherine A. Kelley's NPI number?
1245598820. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Katherine A. Kelley, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients215
Services billed to Medicare317
Different services or procedures43
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)55 services
  2. Biopsy of large bowel using a flexible endoscope (45380)45 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services
  4. Colorectal cancer screening; colonoscopy on individual at high risk (G0105)24 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)23 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol71%
  • High blood pressure59%
  • Arthritis40%
  • Depression29%
  • Anxiety29%
  • Diabetes24%

Hospitals where Katherine A. Kelley works

Medicare's Facility Affiliation Data lists Katherine A. Kelley at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Katherine A. Kelley is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine A. Kelley as a member of this group (CMS data updated October 2, 2026).

  • Bronson Methodist Hospital729 clinicians in the group

Specialties

Find other Colorectal Surgery (Proctology) doctors in Michigan →

Other colorectal surgeons in Michigan

Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.

All colorectal surgeons in Michigan →

Other clinicians in Bronson Methodist Hospital

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245598820
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians