Nancy Kerr-Schifrin, F.N.P.
Nurse Practitioner · Sonora, CA
Nancy Kerr-Schifrin, F.N.P. is a nurse practitioner with a practice address in Sonora, California, and NPI 1952322661, issued on Jul 21, 2006. Check the license (California NP5436, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Kerr-Schifrin
- Credential
- F.N.P.
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- NP5436 CA
Self-reported in NPPES; status is on the state search - Practice location
- 940 Sylva LN, Sonora, CA 95370
- Phone
- (209) 532-0126
- Enumerated
- Jul 21, 2006
- Record last updated
- Oct 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (209) 532-2950
- Medicaid ID
- 0PA126770 CA
- Medicare enrollment
- Enrolled (PECOS I20060918000288); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 940 Sylva LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy Kerr-Schifrin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP5436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average nurse practitioner in 2024
4,143 Medicare Part D claims for 381 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 105 claims were for opioids.
Most prescribed
- Atorvastatin Calcium334 claims
- Levothyroxine Sodium221 claims
- Lisinopril167 claims
- Losartan Potassium153 claims
- Amlodipine Besylate111 claims
- Metoprolol Succinate91 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $335.50
19 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Adventist Health Physicians NetworkSonora, CA
- Sonora Community HospitalSonora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Kerr-Schifrin among 8,223 nurse practitioner records in California
Nancy Kerr-Schifrin, F.N.P. is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 82% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1990 · median 2017 among the 3,425 with a school on file
- Record last updated2007 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 nurse practitioner records list a practice address in Sonora
They are 10 of the 629 NPPES records with a practice address in Sonora, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Sonora → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Kelsey CallahanSonora, CA 953701770288532
- Vibeke Green, NPSonora, CA 953701093281057
- Julia Gustafson, NPSonora, CA 953701174509103
- Jessi Lamanuzzi, NPSonora, CA 953701538885587
- Christi Petersen, FNPSonora, CA 953701336131523
- Amy Rogers, FNPSonora, CA 953701649679390
- Claudia Smith, NPSonora, CA 953701780734632
- Ellen TillettSonora, CA 953701326236621
Common questions
What is Nancy Kerr-Schifrin, F.N.P.'s NPI number?
Nancy Kerr-Schifrin, F.N.P.'s National Provider Identifier (NPI) is 1952322661, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Kerr-Schifrin, F.N.P. located?
The NPPES record lists a practice address at 940 Sylva LN, Sonora, CA, 95370. Phone: (209) 532-0126. Providers update this record themselves, so call before visiting.
How can I verify Nancy Kerr-Schifrin, F.N.P.'s license?
NPPES lists California license number NP5436, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Kerr-Schifrin, F.N.P. prescribe under Medicare Part D?
In 2024, Nancy Kerr-Schifrin, F.N.P. had 4,143 Medicare Part D claims for 381 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Nancy Kerr-Schifrin, F.N.P.'s MIPS final score?
The 2023 MIPS final score is 79.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.