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Pathology

Ryanne A. Brown, MD

Works at hospitals in San Luis Obispo, CA · Lompoc, CA · Santa Maria, CA … · California

Summary

Ryanne A. Brown, MD (Pathology) is listed by Medicare at 5 hospitals in San Luis Obispo, CA, Lompoc, CA and Santa Maria, CA and other places. NPI 1780940106. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ryanne A. Brown, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
Baylor College Of MedicineMedical school
FemaleGender (as listed)
Stanford Health CareGroup practice (+2 more)

Quick answers

Which hospitals does Ryanne A. Brown work at?
Medicare's official clinician data lists Ryanne A. Brown at 5 hospitals: French Hospital Medical Center, Lompoc Valley Medical Center, Marian Regional Medical Center, Stanford Health Care and Stanford Health Care Tri-Valley. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ryanne A. Brown see patients?
Medicare's clinician data lists 4 practice locations, including Los Gatos, CA, Santa Maria, CA and Stanford, CA. Call before your visit to confirm the address.
What is Ryanne A. Brown's specialty?
Medicare lists Pathology as the primary specialty, and also Dermatology.
Does Ryanne A. Brown accept Medicare assignment?
Yes. Medicare's clinician data says Ryanne A. Brown accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ryanne A. Brown?
(408) 884-2712, as listed in official Medicare / NPI Registry data.
What is Ryanne A. Brown's NPI number?
1780940106. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ryanne A. Brown works

Medicare's Facility Affiliation Data lists Ryanne A. Brown at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ryanne A. Brown is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ryanne A. Brown as a member of these groups (CMS data updated 2026-10-02).

  • Stanford Health Care3,122 clinicians in the group
  • Diagnostic Pathology Services of the Central Coast13 clinicians in the group
  • Associated Pathology Medical Group Inc7 clinicians in the group

Specialties

Find other Pathology doctors in California →

Other pathologists in Los Gatos

Clinicians with the same Medicare primary specialty in Los Gatos, CA — not a recommendation.

All pathologists in Los Gatos →

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780940106
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians