Quick answers
- Does Dena M. Herzberg accept Medicare assignment?
- Yes. Medicare's clinician data says Dena M. Herzberg 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 Dena M. Herzberg see?
- In 2024, CMS data shows 193 Original Medicare patients and 703 services for Dena M. Herzberg. This counts Original Medicare only and measures volume, not quality.
- What is Dena M. Herzberg's NPI number?
- 1952914566. 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 Dena M. Herzberg, 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 | 193 |
|---|---|
| Services billed to Medicare | 703 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)233 services
- Destruction of precancer skin growth, 1 growth (17000)151 services
- Biopsy of related skin growth, first growth (11102)112 services
- Destruction of precancer skin growth, 2-14 growths (17003)93 services
- Destruction of skin growth, 1-14 growths (17110)56 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 cholesterol75%
- Arthritis52%
- Chronic kidney disease27%
- Diabetes26%
- Anxiety21%
Hospitals where Dena M. Herzberg works
Medicare's Facility Affiliation Data lists Dena M. Herzberg 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.
- Shenandoah Medical CenterShenandoah, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161366
Practice locations
Addresses where Dena M. Herzberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 713 Main StTabor, IA 51653 (712) 246‑7245
Group practices
Medicare enrollment lists Dena M. Herzberg as a member of this group (CMS data updated October 2, 2026).
- Shenandoah Medical Center54 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Other clinicians in Shenandoah Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952914566 |
| 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