NPPES file of Aug 9, 2026

Bayley Renee Guzman

Family Nurse Practitioner · Oakland, CA

Bayley Renee Guzman is a family nurse practitioner with a practice address in Oakland, California, and NPI 1831051200, issued on Nov 24, 2025. Check the license (California 95037639, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831051200
Name
Bayley Renee Guzman
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95037639 CA
Self-reported in NPPES; status is on the state search
Practice location
3100 Telegraph Ave Ste 2000, Oakland, CA 94609
Phone
(916) 221-8942
Enumerated
Nov 24, 2025
Record last updated
Nov 24, 2025
Medicare enrollment
Enrolled (PECOS I20260120001022); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 3100 Telegraph Ave Ste 2000

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

  1. Arianna Bradley, MDFamily Medicine Physician1508516402
  2. Kristen Lavelle, MDEndocrinology, Diabetes & Metabolism Physician1790273381
  3. Swapna Merupula, M.B.,B.S.Internal Medicine Physician1942644299
  4. Shamila Panjwani, DOFamily Medicine Physician1255894127
  5. Julia Stevens, PA-CPhysician Assistant1821394073

Verify Bayley Renee Guzman 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 95037639    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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Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationOakland, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bayley Renee Guzman among 16,966 family nurse practitioner records in California

Bayley Renee Guzman is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 3% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2025 · median 2019 among the 6,793 with a school on file
  • 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 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

205 family nurse practitioner records list a practice address in Oakland

They are 205 of the 18,558 NPPES records with a practice address in Oakland, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Oakland → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Marina Ataie Ebuen, N.POakland, CA 946091225473242
  2. Alice Benham, NPOakland, CA 946091578611570
  3. Tiffany Chan, F.N.P.-COakland, CA 946091306182001
  4. Angelina Chau, DNP, FNP-COakland, CA 946091649449893
  5. Valerie Dzubur, NPOakland, CA 946091760685275
  6. Janice Earl, NPOakland, CA 946091912298225
  7. Jody Mui, NPOakland, CA 946091942467006
  8. Erin Murphy, N.P.Oakland, CA 946091780861609

Common questions

What is Bayley Renee Guzman's NPI number?

Bayley Renee Guzman's National Provider Identifier (NPI) is 1831051200, issued on Nov 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Bayley Renee Guzman located?

The NPPES record lists a practice address at 3100 Telegraph Ave Ste 2000, Oakland, CA, 94609. Phone: (916) 221-8942. Providers update this record themselves, so call before visiting.

How can I verify Bayley Renee Guzman's license?

NPPES lists California license number 95037639, 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.

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.