Quick answers
- Does Dale H. Kroll accept Medicare assignment?
- Yes. Medicare's clinician data says Dale H. Kroll 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 Dale H. Kroll see?
- In 2024, CMS data shows 252 Original Medicare patients and 451 services for Dale H. Kroll. This counts Original Medicare only and measures volume, not quality.
- What is Dale H. Kroll's NPI number?
- 1538134218. 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 Dale H. Kroll, 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 patients | 252 |
|---|---|
| Services billed to Medicare | 451 |
| Different services or procedures | 70 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of peripheral nerve or branch (64640)73 services
- Injection of substance into lower spine canal using imaging guidance (62323)59 services
- Injection of anesthetic agent and/or steroid into other nerve or branch (64450)27 services
- Ultrasonic guidance for needle placement (76942)25 services
- Anesthesia for procedure for total knee joint replacement (01402)19 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 cholesterol71%
- Arthritis62%
- Diabetes32%
- Anxiety29%
- Chronic kidney disease27%
Hospitals where Dale H. Kroll works
Medicare's Facility Affiliation Data lists Dale H. Kroll 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.
- Kossuth Regional Health CenterAlgona, IA · Critical Access Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 161353
- Palo Alto County HospitalEmmetsburg, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161357
- Pocahontas Community HospitalPocahontas, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161305
- Spencer Municipal HospitalSpencer, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160112
Practice locations
Addresses where Dale H. Kroll is enrolled with Medicare (CMS data updated October 2, 2026).
- 1200 1st Ave ESpencer, IA 51301 (712) 264‑8300
Group practices
Medicare enrollment lists Dale H. Kroll as a member of these groups (CMS data updated October 2, 2026).
- Spencer Municipal Hospital92 clinicians in the group
- Northwest Iowa Anesthesia Associates10 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Iowa →
Other nurse anesthetists in Spencer
Clinicians with the same Medicare primary specialty in Spencer, IA — not a recommendation.
Other clinicians in Spencer Municipal Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538134218 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians