Nancy Singer, FNP-C
Family Nurse Practitioner · San Rafael, CA
Nancy Singer, FNP-C is a family nurse practitioner with a practice address in San Rafael, California, and NPI 1891282448, issued on Apr 19, 2018. Check the license (California 95012068, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Singer
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 95012068 CA
RN1028816 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1004 Northgate Dr, San Rafael, CA 94903
- Phone
- (415) 590-6150
- Enumerated
- Apr 19, 2018
- Record last updated
- Oct 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (415) 291-0489
- Medicare enrollment
- Enrolled (PECOS I20190918000905); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 1004 Northgate Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kimberlie Keller, DOFamily Medicine Physician1851430896
- Claudia Levine, MDInternal Medicine Physician1619026572
- Natalie Levine, FNPFamily Nurse Practitioner1659803369
Verify Nancy Singer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95012068Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
217 Medicare Part D claims for 60 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium22 claims
- Levothyroxine Sodium20 claims
- Citalopram Hbr11 claims
- Trazodone Hcl11 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.
Bills Medicare through one group practice
- One Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Singer among 16,966 family nurse practitioner records in California
Nancy Singer, FNP-C is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 45% of them.
- NPI issued2018 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2017 · median 2019 among the 6,793 with a school on file
- Record last updated2019 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family nurse practitioner records list a practice address in San Rafael
They are 32 of the 3,159 NPPES records with a practice address in San Rafael, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Rafael → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Barbara Behrens, RN,MSN, FNP, MPHSan Rafael, CA 949031104910819
- Pamela Doerr-Kashani, NPSan Rafael, CA 949031801270863
- Virginia Farnsworth, NPSan Rafael, CA 949031982779336
- Carole Fleming, NPSan Rafael, CA 949031740340165
- Cherysh Gunkle, FNPSan Rafael, CA 949031952647851
- Kathryn Hill, MSN, RN, APRN-BC FNPSan Rafael, CA 949031215945357
- Natalie Levine, FNPSan Rafael, CA 949031659803369
- Adir Magidish, FNPSan Rafael, CA 949031851896336
Common questions
What is Nancy Singer, FNP-C's NPI number?
Nancy Singer, FNP-C's National Provider Identifier (NPI) is 1891282448, issued on Apr 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Singer, FNP-C located?
The NPPES record lists a practice address at 1004 Northgate Dr, San Rafael, CA, 94903. Phone: (415) 590-6150. Providers update this record themselves, so call before visiting.
How can I verify Nancy Singer, FNP-C's license?
NPPES lists California license number 95012068, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Singer, FNP-C prescribe under Medicare Part D?
In 2024, Nancy Singer, FNP-C had 217 Medicare Part D claims for 60 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
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.