Quick answers
- Does Jennifer M. Castle accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer M. Castle 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 M. Castle see?
- In 2024, CMS data shows 433 Original Medicare patients and 876 services for Jennifer M. Castle. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer M. Castle's NPI number?
- 1427336916. 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 M. Castle, 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 | 433 |
|---|---|
| Services billed to Medicare | 876 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Comprehensive hearing and speech recognition test (92557)434 services
- Test to assess middle ear function (92567)433 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 cholesterol72%
- High blood pressure65%
- Arthritis57%
- Ischemic heart disease24%
- Anxiety24%
- Osteoporosis24%
Practice locations
Addresses where Jennifer M. Castle is enrolled with Medicare (CMS data updated October 2, 2026).
- 3 Medical Plaza Dr, Suite 220Roseville, CA 95661 (916) 773‑7920
Group practices
Medicare enrollment lists Jennifer M. Castle as a member of this group (CMS data updated October 2, 2026).
- Sutter Valley Medical Foundation2,500 clinicians in the group
Specialties
- Qualified Audiologistprimary
Other audiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Sutter Valley Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AU |
|---|---|
| School | At Still University, Arizona School Of Dentistry & Oral Hlth |
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427336916 |
| 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
- 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