Quick answers
- Does Hannah K. Hostetler accept Medicare assignment?
- Yes. Medicare's clinician data says Hannah K. Hostetler 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 Hannah K. Hostetler see?
- In 2024, CMS data shows 148 Original Medicare patients and 5,062 services for Hannah K. Hostetler. This counts Original Medicare only and measures volume, not quality.
- What is Hannah K. Hostetler's NPI number?
- 1437621174. 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 Hannah K. Hostetler, 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 | 148 |
|---|---|
| Services billed to Medicare | 5,062 |
| Different services or procedures | 51 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)220 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)124 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)55%
- Arthritis41%
- Diabetes36%
- Ischemic heart disease30%
Hospitals where Hannah K. Hostetler works
Medicare's Facility Affiliation Data lists Hannah K. Hostetler 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.
- Fauquier HospitalWarrenton, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490023
- UVA Health Haymarket Medical CenterHaymarket, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490144
- UVA Health Prince William Medical CenterManassas, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490045
Practice locations
Addresses where Hannah K. Hostetler is enrolled with Medicare (CMS data updated October 2, 2026).
- 210 W Shirley Ave, Suite 192Warrenton, VA 20186 (571) 350‑8400
- 8613 Route 29, 200nFairfax, VA 22031 (703) 280‑5390
Group practices
Medicare enrollment lists Hannah K. Hostetler as a member of this group (CMS data updated October 2, 2026).
- Virginia Cancer Specialists, P.C.82 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Warrenton
Clinicians with the same Medicare primary specialty in Warrenton, VA — not a recommendation.
Other clinicians in Virginia Cancer Specialists, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Johns Hopkins University School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1437621174 |
| 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