Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Katie Barnes, NP

Sees patients in San Jose, CA · California

Summary

Katie Barnes, NP (Nurse Practitioner) is enrolled with Medicare at 1 practice location in San Jose, CA. NPI 1811358880. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Katie Barnes, 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

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
FemaleGender (as listed)
Omar Osman Practice, LLCGroup practice

Quick answers

Where does Katie Barnes see patients?
Medicare's clinician data lists 1 practice location in San Jose, CA. Call before your visit to confirm the address.
What is Katie Barnes's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Katie Barnes accept Medicare assignment?
Yes. Medicare's clinician data says Katie Barnes 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 Katie Barnes?
(418) 272-1400, as listed in official Medicare / NPI Registry data.
What is Katie Barnes's NPI number?
1811358880. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Katie Barnes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Katie Barnes as a member of this group (CMS data updated 2026-10-02).

  • Omar Osman Practice, LLC48 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in San Jose

Clinicians with the same Medicare primary specialty in San Jose, CA — not a recommendation.

All nurse practitioners in San Jose →

Clinician information

CredentialNP
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811358880
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians