Margaret O'Connor, CPNP
NPI 1043365133 · Pediatric Nurse Practitioner · Palo Alto, CA
Margaret O'Connor, CPNP is a Pediatric Nurse Practitioner provider in Palo Alto, CA (NPI 1043365133).
Provider details
- NPI number
- 1043365133
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 241109 (MA)
Specialties & taxonomies
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
19 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
- 2007-01-25
- Last updated
- 2008-03-13
Frequently asked questions
- What is Margaret O'Connor's NPI number?
- Margaret O'Connor's National Provider Identifier (NPI) is 1043365133, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret O'Connor's specialty?
- Margaret O'Connor is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret O'Connor located?
- Margaret O'Connor's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Margaret O'Connor's phone number?
- The practice phone number listed in the NPPES registry for Margaret O'Connor is (650) 497-8000.
- Is Margaret O'Connor's NPI active?
- Yes — Margaret O'Connor's NPI (1043365133) is active in the NPPES registry as of the last update on 2008-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.