Katherine Clark, CPNP
Pediatric Nurse Practitioner · Palo Alto, CA
Katherine Clark, CPNP is a pediatric nurse practitioner with a practice address in Palo Alto, California, and NPI 1841557428, issued on Apr 19, 2012. Check the license (California 23185, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katherine Clark
- Credential
- CPNP
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License numbers
- 23185 CA
5005585 NC
Self-reported in NPPES; status is on the state search - Practice location
- 650 Clark Way, Palo Alto, CA 94304
- Phone
- (650) 688-3644
- Enumerated
- Apr 19, 2012
- Record last updated
- Oct 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (650) 688-3669
- Entity
- Type 1 · individual
Also registered at 650 Clark Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie AbbottSpeech-Language Pathologist1063398063
- Ashwini AddalaMarriage & Family Therapist1710487863
- Charlotte Adermann, PSY.D.Psychologist1861553364
- Megan Allen, PH.D.Psychologist1407000722
- Noelle Alvarez, LCSW 92065Clinical Social Worker1053854760
- Ramona AmelyMental Health Counselor1326869421
Verify Katherine Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 23185Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pediatric Nurse Practitioner providers in California
There are 1,580 pediatric nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatric nurse practitioner records in California
- Kathryn Aaronson, RN, CPNPSan Francisco, CA1992030951
- Kathryn Abare, NPSan Diego, CA1609147651
- Mehvish Abbasi, NPNorthridge, CA1932520079
- Emily Abcede, ARNP, CPNPSan Diego, CA1548654916
- Eileen Abejar, PNPOrange, CA1083865042
- Jocelyn Ablian, NPAnaheim, CA1154626604
- Cristeta AcayanChula Vista, CA1992833859
- Karen Acevedo, NPVentura, CA1861974925
- Lyndsey Ackerman, NPSacramento, CA1619630464
- Chelsea Addy, NPGlendale, CA1013588102
Common questions
What is Katherine Clark, CPNP's NPI number?
Katherine Clark, CPNP's National Provider Identifier (NPI) is 1841557428, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Clark, CPNP located?
The NPPES record lists a practice address at 650 Clark Way, Palo Alto, CA, 94304. Phone: (650) 688-3644. Providers update this record themselves, so call before visiting.
How can I verify Katherine Clark, CPNP's license?
NPPES lists California license number 23185, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.