Mary Ann Trambley, NNP
NPI 1699839126 · Critical Care Neonatal Nurse Practitioner · Martinez, CA
Mary Ann Trambley, NNP is a Critical Care Neonatal Nurse Practitioner provider in Martinez, CA (NPI 1699839126).
Provider details
- NPI number
- 1699839126
- Entity type
- Individual
- Primary specialty
- Critical Care Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NNP
- Sex
- Female
- Sole proprietor
- No
- License
- 378626 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
- 2006-12-20
- Last updated
- 2025-09-11
Frequently asked questions
- What is Mary Ann Trambley's NPI number?
- Mary Ann Trambley's National Provider Identifier (NPI) is 1699839126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ann Trambley's specialty?
- Mary Ann Trambley is listed in the NPPES registry with a primary specialty of Critical Care Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ann Trambley located?
- Mary Ann Trambley's practice location on file with NPPES is 230 Paula Ct, Martinez, CA 94553-6219.
- What is Mary Ann Trambley's phone number?
- The practice phone number listed in the NPPES registry for Mary Ann Trambley is (925) 949-8101.
- Is Mary Ann Trambley's NPI active?
- Yes — Mary Ann Trambley's NPI (1699839126) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.