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Physician Assistant

Khristine Bueno, PA

Works at hospitals in Upland, CA · California

Summary

Khristine Bueno, PA is a physician assistant at 12442 Limonite Ave, Unit 102, Eastvale, CA 91752. Phone: (951) 393-3000. Accepts Medicare assignment. In 2024, Khristine Bueno had 192 Original Medicare patients and 204 services. NPI 1811356439. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physician assistant
  • Address: 12442 Limonite Ave, Unit 102, Eastvale, CA 91752 · Directions (2 more locations)
  • Phone: (951) 393‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: San Antonio Regional Hospital
  • Group practice: Mountain View Urgent Care Group Inc
  • School: graduated 2015
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Khristine Bueno, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Khristine Bueno accept Medicare assignment?
Yes. Medicare's clinician data says Khristine Bueno accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Khristine Bueno see?
In 2024, CMS data shows 192 Original Medicare patients and 204 services for Khristine Bueno. This counts Original Medicare only and measures volume, not quality.
What is Khristine Bueno's NPI number?
1811356439. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Khristine Bueno, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients192
Services billed to Medicare204
Different services or procedures13
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)118 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)67 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis45%
  • Diabetes41%
  • Chronic kidney disease30%
  • Ischemic heart disease28%

Hospitals where Khristine Bueno works

Medicare's Facility Affiliation Data lists Khristine Bueno at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • San Antonio Regional HospitalUpland, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050099

Practice locations

Addresses where Khristine Bueno is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Khristine Bueno as a member of this group (CMS data updated October 2, 2026).

  • Mountain View Urgent Care Group Inc32 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Eastvale

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

All physician assistants in Eastvale →

Other clinicians in Mountain View Urgent Care Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPA
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811356439
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians