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Emergency Medicine

Derrick A. Swartzentruber

Works at hospitals in Abbeville, SC · Greenwood, SC · South Carolina

Summary

Derrick A. Swartzentruber is an emergency medicine doctor at 1325 Spring St, Greenwood, SC 29646. Phone: (864) 725-4111. Accepts Medicare assignment. In 2024, Derrick A. Swartzentruber had 298 Original Medicare patients and 356 services. NPI 1649666827. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1325 Spring St, Greenwood, SC 29646 · Directions (1 more location)
  • Phone: (864) 725‑4111
  • Medicare: Accepts Medicare assignment
  • Hospitals: Abbeville Area Medical Center, Self Regional Healthcare
  • Group practice: Self Medical Group (+1 more)
  • Medical school: Medical University Of South Carolina College Of Medicine · graduated 2015 (11 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Derrick A. Swartzentruber, 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 Derrick A. Swartzentruber accept Medicare assignment?
Yes. Medicare's clinician data says Derrick A. Swartzentruber 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 Derrick A. Swartzentruber see?
In 2024, CMS data shows 298 Original Medicare patients and 356 services for Derrick A. Swartzentruber. This counts Original Medicare only and measures volume, not quality.
What is Derrick A. Swartzentruber's NPI number?
1649666827. 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 Derrick A. Swartzentruber, 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 patients298
Services billed to Medicare356
Different services or procedures18
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)161 services
  2. Emergency department visit with high level of medical decision making (99285)103 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)34 services
  4. Critical care, first 30-74 minutes (99291)18 services
  5. Emergency department visit with low level of medical decision making (99283)17 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 cholesterol74%
  • Arthritis50%
  • Anxiety42%
  • Ischemic heart disease41%
  • Depression40%

Hospitals where Derrick A. Swartzentruber works

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

Group practices

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

  • Self Medical Group395 clinicians in the group
  • Abbeville County Memorial Hospital45 clinicians in the group

Specialties

Find other Emergency Medicine doctors in South Carolina →

Other emergency medicine doctors in Greenwood

Clinicians with the same Medicare primary specialty in Greenwood, SC — not a recommendation.

All emergency medicine doctors in Greenwood →

Other clinicians in Self Medical Group

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

Clinician information

Medical schoolMedical University Of South Carolina College Of Medicine
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649666827
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