Catherine Ann Silva, MSN, ANP-BC, WHNP-BC
Women's Health Nurse Practitioner · San Francisco, CA
Catherine Ann Silva, MSN, ANP-BC, WHNP-BC is a women's health nurse practitioner with a practice address in San Francisco, California, and NPI 1629300447, issued on Feb 3, 2010. Check the license (California 21475, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Ann Silva
- Credential
- MSN, ANP-BC, WHNP-BC
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- 21475 CA
Self-reported in NPPES; status is on the state search - Practice location
- 345 Spear St, San Francisco, CA 94105
- Phone
- (415) 593-1095
- Enumerated
- Feb 3, 2010
- Record last updated
- Jan 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (650) 227-1107
- Medicare enrollment
- Enrolled (PECOS I20160809001869); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 345 Spear St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne Lam, PSYDPsychologist1649559006
- Heather Nelson, M.A.Clinical Psychologist1447689989
- Mark Riccabona, D.C.Chiropractor1407966971
Verify Catherine Ann Silva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024
66 Medicare Part D claims for 14 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.
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 IncBurlingame, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Women's Health Nurse Practitioner providers in California
There are 912 women's health nurse practitioner records in California.
Other women's health nurse practitioner records in California
- Nkeiruka Abanobi, NPRedlands, CA1982009007
- Susan Abbott Rogge, NPSacramento, CA1245215581
- Carine AbinaderLoma Linda, CA1174345771
- Laura Abrignani, N.P.Santa Barbara, CA1134225980
- Judith Adler, NPSan Francisco, CA1366511586
- Maria Aguilar-Malaznik, RNPSanta Clara, CA1295821734
- Rosario Aguilar-Tanphanich, NPAlhambra, CA1053097568
- Laura Ahn, NPOakland, CA1053476416
- Letty Ajiz, WHNPLos Angeles, CA1396492641
- Ybelynn Alaan, NPAnaheim, CA1003938556
Common questions
What is Catherine Ann Silva, MSN, ANP-BC, WHNP-BC's NPI number?
Catherine Ann Silva, MSN, ANP-BC, WHNP-BC's National Provider Identifier (NPI) is 1629300447, issued on Feb 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Ann Silva, MSN, ANP-BC, WHNP-BC located?
The NPPES record lists a practice address at 345 Spear St, San Francisco, CA, 94105. Phone: (415) 593-1095. Providers update this record themselves, so call before visiting.
How can I verify Catherine Ann Silva, MSN, ANP-BC, WHNP-BC's license?
NPPES lists California license number 21475, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Ann Silva, MSN, ANP-BC, WHNP-BC prescribe under Medicare Part D?
In 2024, Catherine Ann Silva, MSN, ANP-BC, WHNP-BC had 66 Medicare Part D claims for 14 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.