NPPES file of Aug 9, 2026

Diane Kiyoko Guerrero, RNC

Obstetrics & Gynecology Nurse Practitioner · Pasadena, CA

Diane Kiyoko Guerrero, RNC is an obstetrics & gynecology nurse practitioner with a practice address in Pasadena, California, and NPI 1811225782, issued on Dec 3, 2009. Check the license (California 10752, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811225782
Name
Diane Kiyoko Guerrero
Credential
RNC
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License number
10752 CA
Self-reported in NPPES; status is on the state search
Practice location
625 S Fair Oaks Ave Ste 255, Pasadena, CA 91105
Phone
(626) 304-2626
Enumerated
Dec 3, 2009
Record last updated
Dec 24, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(626) 585-0695
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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Also registered at 625 S Fair Oaks Ave Ste 255

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

  1. Emily Chu, MDObstetrics & Gynecology Physician1053947978
  2. Rong Fan, MDObstetrics & Gynecology Physician1811550338
  3. Marina Jick, NPNurse Practitioner1689303158
  4. Austin McEvoy, MDObstetrics & Gynecology Physician1518420504
  5. Shweta Shah, D.OObstetrics & Gynecology Physician1861887564
  6. Kimeshia Thomas, MDObstetrics & Gynecology Physician1346778578

Verify Diane Kiyoko Guerrero 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 10752
    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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Industry payments in 2024: $114.87

1 payment: food and beverage; the largest payer was Mirati Therapeutics, Inc. The 1,033 providers of this specialty with any payment received $439.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diane Guerrero$114.87
  2. Specialty average$439.39

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Diane Kiyoko Guerrero among 394 obstetrics & gynecology nurse practitioner records in California

Diane Kiyoko Guerrero, RNC is one of 394 obstetrics & gynecology nurse practitioner records with a practice address in California. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 67% of them.

  • NPI issued2009 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2009 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in California

There are 394 obstetrics & gynecology nurse practitioner records in California.

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Jeanette Petermann, N.P.Duarte, CA 910101659625622
  2. Cynthia Juarez, RNCArcadia, CA 910071730218231
  3. Melinda Blue-TaylorArcadia, CA 910061831786813
  4. Roberta Yates, NP,RNGlendale, CA 912051992719090
  5. Susan Steinrad, N.P.Canoga Park, CA 913031063541423
  6. Norma NixWest Hills, CA 913041346645801
  7. Latonya Burnell, N.P.Pacoima, CA 913311124029947
  8. Urmila (umi) Mukherjee, RNP/CNMPacoima, CA 913311386637031

Common questions

What is Diane Kiyoko Guerrero, RNC's NPI number?

Diane Kiyoko Guerrero, RNC's National Provider Identifier (NPI) is 1811225782, issued on Dec 3, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Diane Kiyoko Guerrero, RNC located?

The NPPES record lists a practice address at 625 S Fair Oaks Ave Ste 255, Pasadena, CA, 91105. Phone: (626) 304-2626. Providers update this record themselves, so call before visiting.

How can I verify Diane Kiyoko Guerrero, RNC's license?

NPPES lists California license number 10752, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.