NPPES file of Aug 9, 2026

Annie Guan, MSN, APRN, AGACNP-BC

Acute Care Nurse Practitioner · Pasadena, CA

Annie Guan, MSN, APRN, AGACNP-BC is an acute care nurse practitioner with a practice address in Pasadena, California, and NPI 1326815341, issued on Dec 11, 2023. Check the license (California 95026618, 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
1326815341
Name
Annie Guan
Credential
MSN, APRN, AGACNP-BC
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
95026618 CA
Self-reported in NPPES; status is on the state search
Practice location
301 S Fair Oaks Ave Ste 305, Pasadena, CA 91105
Phone
(626) 440-7325
Enumerated
Dec 11, 2023
Record last updated
Apr 3, 2025
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 acute care nurse practitioner records → All 1,810 in California → Look up another NPI →

Also registered at 301 S Fair Oaks Ave Ste 305

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

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Verify Annie Guan 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 95026618    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

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Annie Guan among 1,810 acute care nurse practitioner records in California

Annie Guan, MSN, APRN, AGACNP-BC is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% 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 2023, is newer than 75% of them.

  • NPI issued2023 · 75% of these records are older, 17% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in California

There are 1,810 acute care nurse practitioner records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,810 in California → Every provider in Pasadena → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Jennifer Birch, N.P.Pasadena, CA 911051316116932
  2. Minh-Tri Cao, NPPasadena, CA 911051700322724
  3. Susan Duquette, ACNP-BC, RNPasadena, CA 911051699453274
  4. Louise Lalonde, NPPasadena, CA 911051669493367
  5. Minli Lee, FNP-CPasadena, CA 911051669829818
  6. Mariana Marquez, AGACNPPasadena, CA 911051669250338
  7. Melinda Medeiros, NPPasadena, CA 911051194142539
  8. Patricia O'Connell, NPPasadena, CA 911051770877409

Common questions

What is Annie Guan, MSN, APRN, AGACNP-BC's NPI number?

Annie Guan, MSN, APRN, AGACNP-BC's National Provider Identifier (NPI) is 1326815341, issued on Dec 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Annie Guan, MSN, APRN, AGACNP-BC located?

The NPPES record lists a practice address at 301 S Fair Oaks Ave Ste 305, Pasadena, CA, 91105. Phone: (626) 440-7325. Providers update this record themselves, so call before visiting.

How can I verify Annie Guan, MSN, APRN, AGACNP-BC's license?

NPPES lists California license number 95026618, 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.