Erin Larsen, MS, RN, CPNP-PC
NPI 1558807214 · Pediatric Nurse Practitioner · Palo Alto, CA
Erin Larsen, MS, RN, CPNP-PC is a Pediatric Nurse Practitioner provider in Palo Alto, CA (NPI 1558807214).
Provider details
- NPI number
- 1558807214
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS, RN, CPNP-PC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95006529 (CA)
Specialties & taxonomies
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
9 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
- 2017-01-18
- Last updated
- 2021-09-23
- Certified
- 2021-09-14
Frequently asked questions
- What is Erin Larsen's NPI number?
- Erin Larsen's National Provider Identifier (NPI) is 1558807214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Larsen's specialty?
- Erin Larsen is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Larsen located?
- Erin Larsen's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Erin Larsen's phone number?
- The practice phone number listed in the NPPES registry for Erin Larsen is (617) 726-8523.
- Is Erin Larsen's NPI active?
- Yes — Erin Larsen's NPI (1558807214) is active in the NPPES registry as of the last update on 2021-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.