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Internal Medicine

Russell C. Pietz, MD

Works at hospitals in Aberdeen, SD · South Dakota

Summary

Dr. Russell C. Pietz, MD is an internal medicine doctor at 305 S State St, Aberdeen, SD 57401. Phone: (605) 622-5251. Accepts Medicare assignment. In 2024, Russell C. Pietz had 368 Original Medicare patients and 459 services. NPI 1790789543. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 305 S State St, Aberdeen, SD 57401 · Directions
  • Phone: (605) 622‑5251
  • Medicare: Accepts Medicare assignment
  • Hospital: Avera St Lukes
  • Group practice: Avera St Lukes
  • Medical school: graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Russell C. Pietz, 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 Russell C. Pietz accept Medicare assignment?
Yes. Medicare's clinician data says Russell C. Pietz 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 Russell C. Pietz see?
In 2024, CMS data shows 368 Original Medicare patients and 459 services for Russell C. Pietz. This counts Original Medicare only and measures volume, not quality.
What is Russell C. Pietz's NPI number?
1790789543. 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 Russell C. Pietz, 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 patients368
Services billed to Medicare459
Different services or procedures19
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)183 services
  2. Emergency department visit with moderate level of medical decision making (99284)159 services
  3. Emergency department visit with low level of medical decision making (99283)55 services
  4. Critical care, first 30-74 minutes (99291)28 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 cholesterol73%
  • Arthritis48%
  • Ischemic heart disease40%
  • Chronic kidney disease40%
  • Atrial fibrillation38%

Hospitals where Russell C. Pietz works

Medicare's Facility Affiliation Data lists Russell C. Pietz 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.

  • Avera St LukesAberdeen, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430014

Practice locations

Addresses where Russell C. Pietz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Russell C. Pietz as a member of this group (CMS data updated October 2, 2026).

  • Avera St Lukes165 clinicians in the group

Specialties

Find other Internal Medicine doctors in South Dakota →

Other internal medicine doctors in Aberdeen

Clinicians with the same Medicare primary specialty in Aberdeen, SD — not a recommendation.

All internal medicine doctors in Aberdeen →

Other clinicians in Avera St Lukes

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

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790789543
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