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

Obstetrics/Gynecology

Kristin A. Colwell, MD

Works at hospitals in Chillicothe, OH · Ohio

Summary

Dr. Kristin A. Colwell, MD is an OB-GYN at 100 N Walnut St, Chillicothe, OH 45601. Phone: (740) 779-4500. Accepts Medicare assignment. In 2024, Kristin A. Colwell had 78 Original Medicare patients and 148 services. NPI 1366466617. 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.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 100 N Walnut St, Chillicothe, OH 45601 · Directions (4 more locations)
  • Phone: (740) 779‑4500
  • Medicare: Accepts Medicare assignment
  • Hospital: Adena Regional Medical Center
  • Group practice: Adena Medical Group LLC
  • Medical school: University Of Washington School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristin A. Colwell, 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 Kristin A. Colwell accept Medicare assignment?
Yes. Medicare's clinician data says Kristin A. Colwell 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 Kristin A. Colwell see?
In 2024, CMS data shows 78 Original Medicare patients and 148 services for Kristin A. Colwell. This counts Original Medicare only and measures volume, not quality.
What is Kristin A. Colwell's NPI number?
1366466617. 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 Kristin A. Colwell, 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 patients78
Services billed to Medicare148
Different services or procedures19
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)38 services
  2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)34 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)23 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)11 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 cholesterol60%
  • High blood pressure59%
  • Arthritis42%
  • Anxiety32%
  • Depression28%
  • Diabetes24%

Hospitals where Kristin A. Colwell works

Medicare's Facility Affiliation Data lists Kristin A. Colwell 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 Kristin A. Colwell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Adena Medical Group LLC386 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Ohio →

Other OB-GYNs in Chillicothe

Clinicians with the same Medicare primary specialty in Chillicothe, OH — not a recommendation.

All OB-GYNs in Chillicothe →

Other clinicians in Adena Medical Group LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366466617
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