Quick answers
- Does Brian M. Fung accept Medicare assignment?
- Yes. Medicare's clinician data says Brian M. Fung 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 M. Fung see?
- In 2024, CMS data shows 215 Original Medicare patients and 590 services for Brian M. Fung. This counts Original Medicare only and measures volume, not quality.
- What is Brian M. Fung's NPI number?
- 1366974164. 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 M. Fung, 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 patients | 215 |
|---|---|
| Services billed to Medicare | 590 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)105 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)91 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)78 services
- Biopsy of large bowel using a flexible endoscope (45380)73 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)70 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 cholesterol75%
- High blood pressure69%
- Arthritis51%
- Ischemic heart disease32%
- Diabetes29%
- Chronic kidney disease27%
Hospitals where Brian M. Fung works
Medicare's Facility Affiliation Data lists Brian M. Fung 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.
- Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030002
- Banner Desert Medical CenterMesa, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030065
Practice locations
Addresses where Brian M. Fung is enrolled with Medicare (CMS data updated October 2, 2026).
- 21321 E Ocotillo Rd, Suite 114Queen Creek, AZ 85142 (480) 461‑1088
- 603 W Baseline Rd, Suite 200Mesa, AZ 85210 (480) 461‑1088
Group practices
Medicare enrollment lists Brian M. Fung as a member of this group (CMS data updated October 2, 2026).
- Arizona Digestive Health PC136 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Queen Creek
Clinicians with the same Medicare primary specialty in Queen Creek, AZ — not a recommendation.
Other clinicians in Arizona Digestive Health PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366974164 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians