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Infectious Disease

Brian T. Courtney, MD

Works at hospitals in Chico, CA · Oroville, CA · California

Summary

Dr. Brian T. Courtney, MD is an infectious disease doctor at 1531 Esplanade, Chico, CA 95926. Phone: (530) 332-5557. Accepts Medicare assignment. In 2024, Brian T. Courtney had 296 Original Medicare patients and 670 services. NPI 1023052677. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 1531 Esplanade, Chico, CA 95926 · Directions
  • Phone: (530) 332‑5557
  • Medicare: Accepts Medicare assignment
  • Hospitals: Enloe Health, Oroville Hospital
  • Group practice: Enloe Medical Center
  • Medical school: University Of California, Geffen School Of Medicine · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Brian T. Courtney, 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 Brian T. Courtney accept Medicare assignment?
Yes. Medicare's clinician data says Brian T. Courtney 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 Brian T. Courtney see?
In 2024, CMS data shows 296 Original Medicare patients and 670 services for Brian T. Courtney. This counts Original Medicare only and measures volume, not quality.
What is Brian T. Courtney's NPI number?
1023052677. 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 Brian T. Courtney, 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 patients296
Services billed to Medicare670
Different services or procedures5
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)281 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)184 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)161 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)43 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%
  • Diabetes51%
  • Heart failure51%
  • Chronic kidney disease47%
  • Arthritis42%

Hospitals where Brian T. Courtney works

Medicare's Facility Affiliation Data lists Brian T. Courtney 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.

  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039
  • Oroville HospitalOroville, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050030

Practice locations

Addresses where Brian T. Courtney is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brian T. Courtney as a member of this group (CMS data updated October 2, 2026).

  • Enloe Medical Center333 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All infectious disease doctors in California →

Other clinicians in Enloe Medical Center

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, Geffen School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023052677
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