Marilyn Kerkhoff, NP
NPI 1336123090 · Family Nurse Practitioner · Martinez, CA
Marilyn Kerkhoff, NP is a Family Nurse Practitioner provider in Martinez, CA (NPI 1336123090).
Provider details
- NPI number
- 1336123090
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- License
- 465769 (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
20 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
- 2005-12-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marilyn Kerkhoff's NPI number?
- Marilyn Kerkhoff's National Provider Identifier (NPI) is 1336123090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Kerkhoff's specialty?
- Marilyn Kerkhoff is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Kerkhoff located?
- Marilyn Kerkhoff's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.
- What is Marilyn Kerkhoff's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Kerkhoff is (925) 372-2494.
- Is Marilyn Kerkhoff's NPI active?
- Yes — Marilyn Kerkhoff's NPI (1336123090) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.