Sandra Murguia-Gregory, NP
NPI 1518141886 · Nurse Practitioner · Martinez, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Murguia-Gregory, NP is a Nurse Practitioner provider in Martinez, CA (NPI 1518141886).
Provider details
- NPI number
- 1518141886
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 543023 (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
18 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
- 2007-12-21
- Last updated
- 2013-02-15
Frequently asked questions
- What is Sandra Murguia-Gregory's NPI number?
- Sandra Murguia-Gregory's National Provider Identifier (NPI) is 1518141886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Murguia-Gregory's specialty?
- Sandra Murguia-Gregory is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sandra Murguia-Gregory located?
- Sandra Murguia-Gregory's practice location on file with NPPES is 2500 Alhambra Ave, Martinez, CA 94553-3156.
- What is Sandra Murguia-Gregory's phone number?
- The practice phone number listed in the NPPES registry for Sandra Murguia-Gregory is (925) 370-5115.
- Does Sandra Murguia-Gregory accept Medicare?
- Sandra Murguia-Gregory is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Murguia-Gregory's NPI active?
- Yes — Sandra Murguia-Gregory's NPI (1518141886) is active in the NPPES registry as of the last update on 2013-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.