Quick answers
- Does Anna R. Holzer accept Medicare assignment?
- Yes. Medicare's clinician data says Anna R. Holzer 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 Anna R. Holzer see?
- In 2024, CMS data shows 132 Original Medicare patients and 881 services for Anna R. Holzer. This counts Original Medicare only and measures volume, not quality.
- What is Anna R. Holzer's NPI number?
- 1457664799. 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 Anna R. Holzer, 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 | 132 |
|---|---|
| Services billed to Medicare | 881 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)75 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)53 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)34 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)29 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)21 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 cholesterol65%
- High blood pressure60%
- Arthritis38%
- Depression26%
- Anxiety24%
- Ischemic heart disease19%
Hospitals where Anna R. Holzer works
Medicare's Facility Affiliation Data lists Anna R. Holzer 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.
- Franklin General HospitalHampton, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161308
- Iowa Specialty Hospital - BelmondBelmond, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161301
- MercyOne North Iowa Medical CenterMason City, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160064
- Story County HospitalNevada, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161333
- Van Diest Medical CenterWebster City, IA · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 161361
Practice locations
Addresses where Anna R. Holzer is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 16th Ave E, Oakwood Spec CareAlbia, IA 52531 (737) 226‑6700
- 444 N W View DrOsceola, IA 50213 (337) 991‑9276
Group practices
Medicare enrollment lists Anna R. Holzer as a member of these groups (CMS data updated October 2, 2026).
- Curana Health of Iowa PLLC151 clinicians in the group
- CH Specialty Services IA PC136 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Albia
Clinicians with the same Medicare primary specialty in Albia, IA — not a recommendation.
Other clinicians in Curana Health of Iowa PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457664799 |
| 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