Marianne Orton, CPNP
NPI 1982097853 · Pediatric Nurse Practitioner · Walnut Creek, CA
Marianne Orton, CPNP is a Pediatric Nurse Practitioner provider in Walnut Creek, CA (NPI 1982097853).
Provider details
- NPI number
- 1982097853
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 14559 (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
11 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
- 2015-03-16
- Last updated
- 2015-03-16
Frequently asked questions
- What is Marianne Orton's NPI number?
- Marianne Orton's National Provider Identifier (NPI) is 1982097853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Orton's specialty?
- Marianne Orton is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marianne Orton located?
- Marianne Orton's practice location on file with NPPES is 301 Lennon Ln, Walnut Creek, CA 94598-2483.
- What is Marianne Orton's phone number?
- The practice phone number listed in the NPPES registry for Marianne Orton is (925) 939-7334.
- Is Marianne Orton's NPI active?
- Yes — Marianne Orton's NPI (1982097853) is active in the NPPES registry as of the last update on 2015-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.