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Family Practice

Shelby L. Steffen, MD

Works at hospitals in Hot Springs, SD · Rapid City, SD · South Dakota

Summary

Dr. Shelby L. Steffen, MD is a family doctor at 353 Fairmont Blvd, Rapid City, SD 57701. May accept Medicare assignment. In 2024, Shelby L. Steffen had 551 Original Medicare patients and 14,629 services. NPI 1457842791. 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 Shelby L. Steffen, 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 Shelby L. Steffen accept Medicare assignment?
Medicare's clinician data says Shelby L. Steffen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Shelby L. Steffen see?
In 2024, CMS data shows 551 Original Medicare patients and 14,629 services for Shelby L. Steffen. This counts Original Medicare only and measures volume, not quality.
What is Shelby L. Steffen's NPI number?
1457842791. 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 Shelby L. Steffen, 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 patients551
Services billed to Medicare14,629
Different services or procedures127
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)4,800 services
  2. Insertion of needle into vein for collection of blood sample (36415)842 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)710 services
  4. Blood test, thyroid stimulating hormone (tsh) (84443)427 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)425 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 pressure68%
  • Arthritis44%
  • Osteoporosis29%
  • Diabetes22%
  • Depression21%

Hospitals where Shelby L. Steffen works

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

Specialties

Find other Family Practice doctors in South Dakota →

Other family doctors in Rapid City

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

All family doctors in Rapid City →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1457842791
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