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Family Practice

Rodney L. Zimmerman, MD

Works at hospitals in Hazen, ND · Bismarck, ND · North Dakota

Summary

Dr. Rodney L. Zimmerman, MD is a family doctor at 1312 Hwy 49 N, Beulah, ND 58523. Phone: (701) 873-4445. Accepts Medicare assignment. In 2024, Rodney L. Zimmerman had 78 Original Medicare patients and 144 services. NPI 1417149279. 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: 1312 Hwy 49 N, Beulah, ND 58523 · Directions (2 more locations)
  • Phone: (701) 873‑4445
  • Medicare: Accepts Medicare assignment
  • Hospitals: Sakakawea Medical Center - CAH, Sanford Medical Center Bismarck
  • Group practice: Hazen Memorial Hospital Association (+1 more)
  • Medical school: University Of North Dakota School Of Medicine · graduated 1977 (49 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Rodney L. Zimmerman, 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 Rodney L. Zimmerman accept Medicare assignment?
Yes. Medicare's clinician data says Rodney L. Zimmerman 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 Rodney L. Zimmerman see?
In 2024, CMS data shows 78 Original Medicare patients and 144 services for Rodney L. Zimmerman. This counts Original Medicare only and measures volume, not quality.
What is Rodney L. Zimmerman's NPI number?
1417149279. 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 Rodney L. Zimmerman, 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 Medicare144
Different services or procedures23
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)26 services
  2. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)26 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)22 services
  4. Automated urinalysis test (81003)21 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 cholesterol75%
  • High blood pressure74%
  • Arthritis42%
  • Ischemic heart disease31%
  • Diabetes23%
  • Depression23%

Hospitals where Rodney L. Zimmerman works

Medicare's Facility Affiliation Data lists Rodney L. Zimmerman 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 Rodney L. Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rodney L. Zimmerman as a member of these groups (CMS data updated October 2, 2026).

  • Hazen Memorial Hospital Association20 clinicians in the group
  • Coal Country Community Health Center19 clinicians in the group

Specialties

Find other Family Practice doctors in North Dakota →

Other family doctors in Beulah

Clinicians with the same Medicare primary specialty in Beulah, ND — not a recommendation.

All family doctors in Beulah →

Other clinicians in Hazen Memorial Hospital Association

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

Clinician information

CredentialMD
Medical schoolUniversity Of North Dakota School Of Medicine
Graduation year1977 (49 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417149279
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