Katherine Clark, CPNP
NPI 1841557428 · Pediatric Nurse Practitioner · Palo Alto, CA
Katherine Clark, CPNP is a Pediatric Nurse Practitioner provider in Palo Alto, CA (NPI 1841557428).
Provider details
- NPI number
- 1841557428
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 5005585 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-19
- Last updated
- 2013-10-28
Frequently asked questions
- What is Katherine Clark's NPI number?
- Katherine Clark's National Provider Identifier (NPI) is 1841557428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Clark's specialty?
- Katherine Clark is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Clark located?
- Katherine Clark's practice location on file with NPPES is 650 Clark Way, Palo Alto, CA 94304.
- What is Katherine Clark's phone number?
- The practice phone number listed in the NPPES registry for Katherine Clark is (650) 688-3644.
- Is Katherine Clark's NPI active?
- Yes — Katherine Clark's NPI (1841557428) is active in the NPPES registry as of the last update on 2013-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.