Individual provider · Type 1 NPI
Margaret Maina, DNP, CRNP, FNP-BC
Nurse Practitioner · Walnut Creek, CA
Practice location
1226 Rossmoor Pkwy
Walnut Creek, CA 94595-2538
Mailing address
12789 Castaic Lake Way
Rancho Cordova, CA 95742-8274
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95040723 (CA) |
| Family Nurse Practitioner | 363LF0000X | R236238 (MD) |
Nurse Practitioner: (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance wit…
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- Monica Therese De Witt, FNPNurse Practitioner Walnut Creek, CA NPI 1043384134
- Mariam Janzad, NPNurse Practitioner Walnut Creek, CA NPI 1043902141
About NPI 1881574820
Margaret Maina, DNP, CRNP, FNP-BC's National Provider Identifier is 1881574820, issued on Sep 2, 2025. The primary taxonomy on file is Nurse Practitioner (363L00000X), and the practice location is in Walnut Creek, CA. The record was last updated on Aug 12, 2026.