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Certified Registered Nurse Anesthetist (CRNA)

Jennifer L. Timm, CNA

Works at hospitals in Aberdeen, SD · South Dakota

Summary

Jennifer L. Timm, CNA is a nurse anesthetist at 305 S State St, Aberdeen, SD 57401. Phone: (605) 622-5000. Accepts Medicare assignment. In 2024, Jennifer L. Timm had 224 Original Medicare patients and 228 services. NPI 1225239569. 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: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 305 S State St, Aberdeen, SD 57401 · Directions
  • Phone: (605) 622‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Avera St Lukes
  • Group practice: Avera St Lukes
  • School: graduated 2007
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer L. Timm, 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 Jennifer L. Timm accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer L. Timm 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 Jennifer L. Timm see?
In 2024, CMS data shows 224 Original Medicare patients and 228 services for Jennifer L. Timm. This counts Original Medicare only and measures volume, not quality.
What is Jennifer L. Timm's NPI number?
1225239569. 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 Jennifer L. Timm, 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 patients224
Services billed to Medicare228
Different services or procedures45
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)27 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)26 services
  3. Anesthesia for other procedure on upper abdomen (00790)17 services
  4. Anesthesia for procedure on small and large bowel using an endoscope (00813)15 services
  5. Anesthesia for exam of colon using an endoscope (00812)14 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 cholesterol72%
  • Arthritis49%
  • Diabetes34%
  • Ischemic heart disease33%
  • Chronic kidney disease29%

Hospitals where Jennifer L. Timm works

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

Group practices

Medicare enrollment lists Jennifer L. Timm as a member of this group (CMS data updated October 2, 2026).

  • Avera St Lukes165 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), South Dakota →

Other nurse anesthetists in Aberdeen

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

All nurse anesthetists in Aberdeen →

Other clinicians in Avera St Lukes

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

Clinician information

CredentialCNA
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225239569
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