Quick answers
- Does Nancy J. Kerr-Schifrin accept Medicare assignment?
- Yes. Medicare's clinician data says Nancy J. Kerr-Schifrin 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 Nancy J. Kerr-Schifrin see?
- In 2024, CMS data shows 404 Original Medicare patients and 1,501 services for Nancy J. Kerr-Schifrin. This counts Original Medicare only and measures volume, not quality.
- What is Nancy J. Kerr-Schifrin's NPI number?
- 1952322661. 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 Nancy J. Kerr-Schifrin, 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 | 404 |
|---|---|
| Services billed to Medicare | 1,501 |
| Different services or procedures | 52 |
| 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)607 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)304 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)140 services
- Telephone medical discussion with physician, 21-30 minutes (99443)129 services
- Telephone medical discussion with physician, 11-20 minutes (99442)120 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 pressure73%
- High cholesterol70%
- Arthritis39%
- Diabetes19%
- Ischemic heart disease19%
- Anxiety17%
Hospitals where Nancy J. Kerr-Schifrin works
Medicare's Facility Affiliation Data lists Nancy J. Kerr-Schifrin 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.
- Adventist Health SonoraSonora, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050335
Practice locations
Addresses where Nancy J. Kerr-Schifrin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Greenley RdSonora, CA 95370 (209) 536‑5000
- 680 Guzzi LnSonora, CA 95370
- 900 Greenley RdSonora, CA 95370
Group practices
Medicare enrollment lists Nancy J. Kerr-Schifrin as a member of this group (CMS data updated October 2, 2026).
- Sonora Community Hospital133 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Sonora
Clinicians with the same Medicare primary specialty in Sonora, CA — not a recommendation.
Other clinicians in Sonora Community Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of California, Davis School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952322661 |
| 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