Dr. Brian M. Fung, MD
- Medicare services, 2024
- 537
- Medicare patients, 2024
- 215
- Part D claims, 2024
- 596
- Publications
- 41
- MIPS score, 2024
- 82
- Practice address
- 603 West BASELINE ROAD, SUITE 101, Mesa, AZ 85210
- Practice phone
- Call (480) 969-0405
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Desert Endoscopy Center
Surgery Center - Medicare-Certified · Mesa, Arizona
Find Dr. Fung's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Brian M. Fung is a gastroenterologist in Mesa, Arizona
Dr. Fung practices at Desert Endoscopy Center in Mesa, Arizona.
Dr. Fung's NPI, 1366974164, was assigned on March 30, 2017. Dr. Fung graduated from University of California, Geffen School of Medicine in 2017. Dr. Fung holds Arizona license 61850.
- NPI
- 1366974164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204259443
- NPI enumeration date
- March 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 969-0405
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian M. Fung practices at Desert Endoscopy Center in Mesa, Arizona
Dr. Fung's primary practice is Desert Endoscopy Center, at 603 West BASELINE ROAD, SUITE 101, Mesa, AZ 85210. The practice phone is (480) 969-0405.
- Desert Endoscopy Center603 West BASELINE ROAD, SUITE 101, Mesa, AZ 85210Phone(480) 969-0405
Source: Dmand AI Affiliation Data
Dr. Brian M. Fung is affiliated with 4 sites of care and 1 medical group
Dr. Fung's primary practice is Desert Endoscopy Center in Mesa, Arizona. Dr. Fung is also affiliated with Banner Desert Medical Center. The medical group on file is Arizona Digestive Health. Dmand AI also links Dr. Fung to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian M. Fung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fung practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Desert Endoscopy Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian M. Fung is one of 380 gastroenterologists in Arizona
Gastroenterology is Dr. Fung's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Fung is licensed in Arizona.
Specialties and state licenses
- Gastroenterology, ArizonaPrimary
Gastroenterologists near Dr. Fung
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Brian M. Fung billed Medicare for 537 services in 2024
CMS data shows 537 Medicare services from Dr. Fung across 9 procedure codes in 2024, for 215 Medicare patients. Medicare paid $50,648 for them.
Dr. Fung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 362024: 299731%
- Surgery
- 2023: 02024: 238
Where Dr. Fung's Medicare services took place, 2024
- In an office29956%
- In a facility23844%
Dr. Fung compared with the Arizona median for gastroenterologists, 2024
- Dr. Fung
- Arizona median
- Medicare services
- 537vs 5086% above
- Medicare patients
- 215vs 31933% below
- Part D claims
- 490vs 31058% above
Medians across 369 gastroenterologists in Arizona with Dmand AI profiles that report each measure.
Dr. Fung's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fung and other gastroenterologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian M. Fung treated 215 Medicare patients in 2024, average age 73
CMS counts 215 Medicare patients who saw Dr. Fung in 2024. The largest group is 65 to 74, with 126 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fung's median patient age at 61, with 49% women.
Dr. Fung's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fung's Medicare patients by sex, 2024
- Women12257%
- Men9343%
Chronic conditions among Dr. Fung's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis51%
- Ischemic heart disease32%
- Diabetes29%
- Chronic kidney disease27%
- Anxiety23%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian M. Fung wrote 596 Medicare Part D claims in 2024
In 2024, Dr. Fung wrote 596 Medicare Part D claims for 275 patients. 78% of them were for generic drugs. CMS names the drug for 490 of them, across 10 drugs with 11 or more claims each, at $53,668 in total drug cost. In 2023, CMS named 32 claims across 2 drugs.
Dr. Fung's Part D claims by kind of drug, 2024
- Generic462 claims78%
- Brand-name134 claims22%
Dr. Fung's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Fung's Part D claims, 2024
- Antibiotics2%11 of 596 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 322024: 4901431%
Drugs named by CMS: 10 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Brian M. Fung scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Fung for performance year 2024, reported as part of a group. Dr. Fung accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 126 procedures of colonoscopy by Dr. Fung, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Fung's MIPS scores, performance year 2024
- 82of 100Final score
- 60.4of 100Quality
- 97of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Fung ranks in Medicare procedure volume
- Colonoscopy
- 85th percentile126 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 73rd percentile85 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Brian M. Fung has 41 publications on record
Dmand AI links 41 papers to Dr. Fung, published from 2017 to 2025. 2021 was the busiest year, with 10. The most frequent topics are Cholangitis, Sclerosing, Inflammatory Bowel Diseases and Cholangiocarcinoma. Dr. Fung has published most often in Clin Gastroenterol Hepatol. Dr. Fung's most frequent co-authors are James Hagop Tabibian, MD, Simcha Weissman, DO and Teodor Cristian Pitea, MD.
Dr. Fung's papers by year, 2017 to 2025
Topics Dr. Fung writes about most
- Cholangitis, Sclerosing
- Inflammatory Bowel Diseases
- Cholangiocarcinoma
- Gastrointestinal Hemorrhage
- Bile Duct Neoplasms
- Population Surveillance
Dr. Fung's most frequent co-authors
- James Hagop Tabibian, MD22 shared papers
- Simcha Weissman, DO5 shared papers
- Teodor Cristian Pitea, MD3 shared papers
Recent publications by Dr. Fung
Ophthalmic Plast Reconstr Surg
See who Dr. Fung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fung works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian M. Fung received $5,999 in industry payments from 2021 to 2025
CMS Open Payments shows 288 general payments to Dr. Fung from 30 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $866.
General payments to Dr. Fung by program year, 2021 to 2025
General payments to Dr. Fung by kind, 2021 to 2025
- Food and beverage$5,73396%
- Education$1843%
- Gifts$821%
Companies that paid Dr. Fung the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian M. Fung graduated from University of California, Geffen School of Medicine
Dr. Fung graduated from University of California, Geffen School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian M. Fung's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brian M. Fung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Brian M. Fung's NPI number?
Dr. Brian M. Fung's NPI number is 1366974164. It was assigned on March 30, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian M. Fung?
Dr. Brian M. Fung is a gastroenterologist in Mesa, Arizona. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Brian M. Fung practice?
Dr. Fung practices at 603 West BASELINE ROAD, SUITE 101, Mesa, AZ 85210. Dr. Fung's primary practice is Desert Endoscopy Center in Mesa, Arizona. Dmand AI also links Dr. Fung to 1 hospital and 1 group practice or clinic.
What is Dr. Brian M. Fung's office phone number?
The practice phone on file for Dr. Fung is (480) 969-0405.
What is Dr. Brian M. Fung's medical license number?
Dr. Fung holds Arizona license 61850.
Which hospitals is Dr. Brian M. Fung affiliated with?
Dr. Fung is affiliated with Banner Desert Medical Center. Dmand AI links Dr. Fung to 1 more hospital.
What medical group is Dr. Brian M. Fung part of?
Dr. Fung is linked to Arizona Digestive Health.
Does Dr. Brian M. Fung accept Medicare?
Yes. CMS data shows Dr. Fung billed Medicare for 537 services in 2024, and Dr. Fung accepts Medicare assignment.
What is Dr. Brian M. Fung's MIPS score?
Dr. Fung's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Brian M. Fung see?
CMS counts 215 Medicare patients who saw Dr. Fung in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Brian M. Fung bill to Medicare?
In 2024, Dr. Fung's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: digestive system (45385).
Where did Dr. Brian M. Fung go to medical school?
Dr. Fung graduated from University of California, Geffen School of Medicine in 2017.
What drugs does Dr. Brian M. Fung prescribe most?
In 2024 Medicare Part D data, Dr. Fung's most prescribed drugs by claims were Sod Sulf-Potass Sulf-Mag Sulf, Pantoprazole Sodium and Omeprazole.
Has Dr. Brian M. Fung received payments from drug or device companies?
CMS Open Payments shows $5,999 in general payments to Dr. Fung from 30 companies from 2021 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Brian M. Fung been practicing?
Dr. Fung graduated from medical school in 2017, 9 years ago.
Does Dr. Brian M. Fung do research?
Dmand AI links 41 publications to Dr. Fung, published from 2017 to 2025.
Who does Dr. Brian M. Fung publish with?
Dr. Fung's most frequent co-authors are James Hagop Tabibian, MD (22 shared papers), Simcha Weissman, DO (5 shared papers) and Teodor Cristian Pitea, MD (3 shared papers).
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