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Internal Medicine

Richard A. Bertelsen Jr., MD

Works at hospitals in Loveland, CO · Greeley, CO · Farmington, MO · Colorado, Missouri

Summary

Dr. Richard A. Bertelsen Jr., MD is an internal medicine doctor at 1101 W Liberty St, Farmington, MO 63640. Phone: (573) 756-6751. Accepts Medicare assignment. In 2024, Richard A. Bertelsen Jr. had 97 Original Medicare patients and 269 services. NPI 1427153766. 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 Richard A. Bertelsen Jr., 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 Richard A. Bertelsen Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Richard A. Bertelsen Jr. 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 Richard A. Bertelsen Jr. see?
In 2024, CMS data shows 97 Original Medicare patients and 269 services for Richard A. Bertelsen Jr.. This counts Original Medicare only and measures volume, not quality.
What is Richard A. Bertelsen Jr.'s NPI number?
1427153766. 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 Richard A. Bertelsen Jr., 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 patients97
Services billed to Medicare269
Different services or procedures7
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)155 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)33 services
  3. Hospital discharge day management, 30 minutes or less (99238)33 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)19 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 blood pressure75%
  • High cholesterol75%
  • Heart failure56%
  • Ischemic heart disease55%
  • COPD49%
  • Arthritis48%

Hospitals where Richard A. Bertelsen Jr. works

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

Group practices

Medicare enrollment lists Richard A. Bertelsen Jr. as a member of these groups (CMS data updated October 2, 2026).

  • Physician Groups LC521 clinicians in the group
  • Banner Hospital Based Physicians Colorado LLC75 clinicians in the group

Specialties

Find other Internal Medicine doctors in Missouri →

Other internal medicine doctors in Farmington

Clinicians with the same Medicare primary specialty in Farmington, MO — not a recommendation.

All internal medicine doctors in Farmington →

Other clinicians in Physician Groups LC

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

Clinician information

CredentialMD
Medical schoolWake Forest University School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427153766
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