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

Family Practice

Clay I. Campbell, MD

Works at hospitals in Kalispell, MT · Montana

Summary

Dr. Clay I. Campbell, MD is a family doctor at 306 Stoner Loop, Lakeside, MT 59922. Phone: (406) 844-0541. Accepts Medicare assignment. In 2024, Clay I. Campbell had 339 Original Medicare patients and 1,039 services. NPI 1952497810. 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: Family doctor (Medicare lists Family Practice)
  • Address: 306 Stoner Loop, Lakeside, MT 59922 · Directions
  • Phone: (406) 844‑0541
  • Medicare: Accepts Medicare assignment
  • Hospital: Logan Health Medical Center
  • Group practice: Kalispell Regional Medical Center Inc
  • Medical school: University Of Oklahoma College Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Clay I. Campbell, 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 Clay I. Campbell accept Medicare assignment?
Yes. Medicare's clinician data says Clay I. Campbell 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 Clay I. Campbell see?
In 2024, CMS data shows 339 Original Medicare patients and 1,039 services for Clay I. Campbell. This counts Original Medicare only and measures volume, not quality.
What is Clay I. Campbell's NPI number?
1952497810. 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 Clay I. Campbell, 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 patients339
Services billed to Medicare1,039
Different services or procedures49
Participating Medicare providerYes
Average age of these patients75

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)280 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)230 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)154 services
  4. 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)134 services
  5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)42 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 cholesterol62%
  • High blood pressure60%
  • Arthritis34%
  • Ischemic heart disease18%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)17%
  • Diabetes16%

Hospitals where Clay I. Campbell works

Medicare's Facility Affiliation Data lists Clay I. Campbell 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.

  • Logan Health Medical CenterKalispell, MT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 270051

Practice locations

Addresses where Clay I. Campbell is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Clay I. Campbell as a member of this group (CMS data updated October 2, 2026).

  • Kalispell Regional Medical Center Inc421 clinicians in the group

Specialties

Find other Family Practice doctors in Montana →

Other family doctors in Montana

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

All family doctors in Montana →

Other clinicians in Kalispell Regional Medical Center Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952497810
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