NPPES file of Aug 9, 2026

Sandra T. Murguia-Gregory, NP

Nurse Practitioner · Martinez, CA

Sandra T. Murguia-Gregory, NP is a nurse practitioner with a practice address in Martinez, California, and NPI 1518141886, issued on Dec 21, 2007. Check the license (California 19688, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518141886
Name
Sandra T. Murguia-Gregory
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
19688 CA
543023 CA
Self-reported in NPPES; status is on the state search
Practice location
2500 Alhambra Ave, Martinez, CA 94553
Phone
(925) 370-5115
Enumerated
Dec 21, 2007
Record last updated
Feb 15, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(925) 370-5142
Medicare enrollment
Enrolled (PECOS I20250922001948); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 2500 Alhambra Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pyra Aarden, MDEmergency Medicine Physician1417058199
  2. Zohaib AbbasiPsychiatry Physician1013392224
  3. Lolita AdonaFamily Nurse Practitioner1821110925
  4. Namita AgarwalPediatrics Physician1467626341
  5. Edward AgyekumDentist1124196696
  6. Abid Ahmed, M.D.Internal Medicine Physician1346531001

Verify Sandra T. Murguia-Gregory in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 19688    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Sandra T. Murguia-Gregory among 8,223 nurse practitioner records in California

Sandra T. Murguia-Gregory, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 73% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2009 · median 2017 among the 3,425 with a school on file
  • Record last updated2013 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,223 in California → Every provider in Martinez → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Rachel Almonte, NP-CMartinez, CA 945531033528237
  2. Miranda Anderson-McLaughlinMartinez, CA 945531851251458
  3. Genadi Asenov, NPMartinez, CA 945531093497315
  4. Nicole Brito, NPMartinez, CA 945531316008568
  5. Sharon Collins, MS, RN, AGPCNP-BCMartinez, CA 945531851804983
  6. Hilary Elkin, NPMartinez, CA 945531760461354
  7. Mary Gates, NPMartinez, CA 945531275643595
  8. Teresa HolbrookMartinez, CA 945531770764730

Common questions

What is Sandra T. Murguia-Gregory, NP's NPI number?

Sandra T. Murguia-Gregory, NP's National Provider Identifier (NPI) is 1518141886, issued on Dec 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sandra T. Murguia-Gregory, NP located?

The NPPES record lists a practice address at 2500 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 370-5115. Providers update this record themselves, so call before visiting.

How can I verify Sandra T. Murguia-Gregory, NP's license?

NPPES lists California license number 19688, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.