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

Gastroenterology

Kathryn L. Lynch, MD

Works at hospitals in Big Sky, MT · Bozeman, MT · Livingston, MT … · Montana

Summary

Dr. Kathryn L. Lynch, MD is a gastroenterologist at 931 Highland Blvd, Suite 3350, Bozeman, MT 59715. Phone: (406) 414-5336. Accepts Medicare assignment. In 2024, Kathryn L. Lynch had 185 Original Medicare patients and 362 services. NPI 1306829536. 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 Kathryn L. Lynch, 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 Kathryn L. Lynch accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn L. Lynch 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 Kathryn L. Lynch see?
In 2024, CMS data shows 185 Original Medicare patients and 362 services for Kathryn L. Lynch. This counts Original Medicare only and measures volume, not quality.
What is Kathryn L. Lynch's NPI number?
1306829536. 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 Kathryn L. Lynch, 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 patients185
Services billed to Medicare362
Different services or procedures13
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)117 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)99 services
  3. Insertion of needle into vein for collection of blood sample (36415)48 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)43 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)18 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 pressure58%
  • Arthritis48%
  • Osteoporosis28%
  • Ischemic heart disease22%
  • Depression21%

Hospitals where Kathryn L. Lynch works

Medicare's Facility Affiliation Data lists Kathryn L. Lynch 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.

  • Bozeman Health Big Sky Medical CenterBig Sky, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271389
  • Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 270057
  • Livingston HealthcareLivingston, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271317
  • St James HospitalButte, MT · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 270017

Practice locations

Addresses where Kathryn L. Lynch is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kathryn L. Lynch as a member of this group (CMS data updated October 2, 2026).

  • Bozeman Health Deaconess Hospital320 clinicians in the group

Specialties

Find other Gastroenterology doctors in Montana →

Other gastroenterologists in Bozeman

Clinicians with the same Medicare primary specialty in Bozeman, MT — not a recommendation.

All gastroenterologists in Bozeman →

Other clinicians in Bozeman Health Deaconess Hospital

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

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306829536
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