Nancy Kerr-Schifrin, F.N.P.
NPI 1952322661 · Nurse Practitioner · Sonora, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nancy Kerr-Schifrin, F.N.P. is a Nurse Practitioner provider in Sonora, CA (NPI 1952322661).
Provider details
- NPI number
- 1952322661
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- F.N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- NP5436 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,354 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 573 | $81 |
| 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'SG2211 | 304 | $14 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 93 | $55 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $55 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 67 | $82 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 86 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 334 | 102 |
| Levothyroxine Sodium | 221 | 54 |
| Lisinopril | 167 | 49 |
| Losartan Potassium | 153 | 36 |
| Amlodipine Besylate | 111 | 31 |
| Metoprolol Succinate | 91 | 25 |
| Potassium Chloride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$336 across 19 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2007-10-09
Frequently asked questions
- What is Nancy Kerr-Schifrin's NPI number?
- Nancy Kerr-Schifrin's National Provider Identifier (NPI) is 1952322661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Kerr-Schifrin's specialty?
- Nancy Kerr-Schifrin is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nancy Kerr-Schifrin located?
- Nancy Kerr-Schifrin's practice location on file with NPPES is 940 Sylva Ln, Sonora, CA 95370-5969.
- What is Nancy Kerr-Schifrin's phone number?
- The practice phone number listed in the NPPES registry for Nancy Kerr-Schifrin is (209) 532-0126.
- Does Nancy Kerr-Schifrin accept Medicare?
- Nancy Kerr-Schifrin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nancy Kerr-Schifrin's NPI active?
- Yes — Nancy Kerr-Schifrin's NPI (1952322661) is active in the NPPES registry as of the last update on 2007-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.