NPPES file of Aug 9, 2026

Amy A. Diaz

Ambulatory Care Registered Nurse · Turlock, CA

Amy A. Diaz is an ambulatory care registered nurse with a practice address in Turlock, California, and NPI 1407330384, issued on Sep 18, 2018. Check the license (California 825664, 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
1407330384
Name
Amy A. Diaz
Primary taxonomy
Ambulatory Care Registered Nurse 163WP2201X
License numbers
825664 CA
825667 CA
Self-reported in NPPES; status is on the state search
Practice location
1 University Cir, Turlock, CA 95382
Phone
(209) 664-6545
Enumerated
Sep 18, 2018
Record last updated
Sep 18, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest ambulatory care registered nurse records → All 940 in California → Look up another NPI →

Also registered at 1 University Cir

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

  1. Stephen Black, PH.D.Psychologist1417189846
  2. Tiffany Gee, MDFamily Medicine Physician1265499123
  3. Navid JavanSports Medicine (Family Medicine) Physician1457702524
  4. Jessica Lambert, PHDCounseling Psychologist1356721880
  5. Valerie Leyva, LCSWClinical Social Worker1437389905
  6. Sergio Mazon, M.D.Family Medicine Physician1801913777

Verify Amy A. Diaz 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 825664    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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Amy A. Diaz among 940 ambulatory care registered nurse records in California

Amy A. Diaz is one of 940 ambulatory care registered nurse records with a practice address in California. 2% 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 2018, is newer than 51% of them.

  • NPI issued2018 · 51% of these records are older, 48% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2018 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WP2201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ambulatory Care Registered Nurse providers in California

There are 940 ambulatory care registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 940 in California → Every provider in Turlock → Ambulatory Care Registered Nurse nationwide →

The 8 ambulatory care registered nurse records with the nearest ZIP codes

  1. Marie Giarratana - Young, NPSanta Rosa, CA 954011669682787
  2. Kate Hullen, R.N.Santa Rosa, CA 954011306113741
  3. Mark GonzalesSanta Rosa, CA 954031518890037
  4. Rebecca Garcia, RN CALIFORNIA 951845Modesto, CA 953551033901939
  5. Jessica Lorgerodriguez, RNModesto, CA 953551376437392
  6. Justin LindseyClearlake, CA 954221720909963
  7. Irene Miranda-Henson, RNMerced, CA 953411700060324
  8. Don Dee Cinco, REGISTERED NURSEMerced, CA 953401801632773

Common questions

What is Amy A. Diaz's NPI number?

Amy A. Diaz's National Provider Identifier (NPI) is 1407330384, issued on Sep 18, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Amy A. Diaz located?

The NPPES record lists a practice address at 1 University Cir, Turlock, CA, 95382. Phone: (209) 664-6545. Providers update this record themselves, so call before visiting.

How can I verify Amy A. Diaz's license?

NPPES lists California license number 825664, 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.