Dr. Phiet Phung, MD
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 51
- Industry payments
- $182
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 14571 Magnolia Street Suite 107, Westminster, CA 92683
- Practice phone
- Call (714) 387-2778
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Magnolia Surgery Center - Westminster
Surgery Center - Medicare-Certified · Westminster, California
Find Dr. Phung'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. Phiet Phung is a gastroenterologist in Westminster, California
Dr. Phung practices at Magnolia Surgery Center - Westminster in Westminster, California.
Dr. Phung's NPI, 1396950465, was assigned on May 11, 2007. Dr. Phung graduated from American University of the Caribbean School of Medicine in 2000. Dr. Phung holds California license C52757.
- NPI
- 1396950465NPI Registry (opens in a new tab)
- NPI enumeration date
- May 11, 2007
- NPI status
- Active
- Practice phone
- (714) 387-2778
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Phiet Phung practices at Magnolia Surgery Center - Westminster in Westminster, California
Dr. Phung's primary practice is Magnolia Surgery Center - Westminster, at 14571 Magnolia Street Suite 107, Westminster, CA 92683. The practice phone is (714) 387-2778.
- Magnolia Surgery Center - Westminster14571 Magnolia Street Suite 107, Westminster, CA 92683Phone(714) 387-2778
Source: Dmand AI Affiliation Data
Dr. Phiet Phung is affiliated with 2 sites of care and 1 medical group
Dr. Phung's primary practice is Magnolia Surgery Center - Westminster in Westminster, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Phung to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Phiet Phung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phung practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Magnolia Surgery Center - Westminster | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Phiet Phung is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Phung's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Phung's licenses on file in 2 states: California and New Jersey.
Specialties and state licenses
- Gastroenterology, CaliforniaPrimary
- New Jersey license
Clinical focus
Dmand AI lists colonoscopy and upper GI endoscopy among the conditions Dr. Phung treats.
Gastroenterologists near Dr. Phung
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. Phiet Phung billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Dr. Phung across 2 procedure codes in 2024, for 51 Medicare patients. Medicare paid $6,564 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Phung's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 242024: 4379%
- Other services
- 2023: 132024: 0100%
Dr. Phung compared with the California median for gastroenterologists, 2024
- Dr. Phung
- California median
- Medicare services
- 43vs 58693% below
- Medicare patients
- 51vs 30283% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Phung'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.
Need commercial claims for Dr. Phung?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Phung and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Phiet Phung treated 51 Medicare patients in 2024, average age 69
CMS counts 51 Medicare patients who saw Dr. Phung in 2024. The largest group is 65 to 74, with 36 patients. 71% of them have high cholesterol, and 65% have high blood pressure. 43% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Phung's median patient age at 58, with 58% women.
Dr. Phung's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Phung's Medicare patients by sex, 2024
- Women2957%
- Men2243%
Chronic conditions among Dr. Phung's Medicare patients, 2024
- High cholesterol71%
- High blood pressure65%
- Arthritis33%
- Diabetes33%
- Osteoporosis27%
- Mood disorders22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Phung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. Phiet Phung received $182 in industry payments from 2016 to 2023
CMS Open Payments shows 4 general payments to Dr. Phung from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 73% of the total. Merck Sharp & Dohme Corporation paid the most, $99.
General payments to Dr. Phung by program year, 2016 to 2023
General payments to Dr. Phung by kind, 2016 to 2023
- Food and beverage$13273%
- Honoraria$5027%
Companies that paid Dr. Phung the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Phiet Phung has 1 award and honors on record
Dmand AI lists 1 award for Dr. Phung, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Phung
- 2013
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Phiet Phung graduated from American University of the Caribbean School of Medicine
Dr. Phung graduated from American University of the Caribbean School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Phiet Phung'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Phiet Phung
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. Phiet Phung's NPI number?
Dr. Phiet Phung's NPI number is 1396950465. It was assigned on May 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Phiet Phung?
Dr. Phiet Phung is a gastroenterologist in Westminster, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Phiet Phung practice?
Dr. Phung practices at 14571 Magnolia Street Suite 107, Westminster, CA 92683. Dr. Phung's primary practice is Magnolia Surgery Center - Westminster in Westminster, California. Dmand AI also links Dr. Phung to 1 group practice or clinic.
What is Dr. Phiet Phung's office phone number?
The practice phone on file for Dr. Phung is (714) 387-2778.
What is Dr. Phiet Phung's medical license number?
Dr. Phung holds California license C52757, one of the licenses on file in 2 states.
Which states has Dr. Phiet Phung been licensed in?
Dmand AI has state licenses on file for Dr. Phung in California (2007 to 2026) and New Jersey (2003 to 2007).
What medical group is Dr. Phiet Phung part of?
Dr. Phung is linked to Optum - Downtown Los Angeles.
Does Dr. Phiet Phung accept Medicare?
Yes. CMS data shows Dr. Phung billed Medicare for 43 services in 2024.
How many Medicare patients does Dr. Phiet Phung see?
CMS counts 51 Medicare patients who saw Dr. Phung in 2024, with an average age of 69.
What services does Dr. Phiet Phung bill to Medicare?
In 2024, Dr. Phung's most billed Medicare services were surgery: digestive system (45380) and surgery: digestive system (45385).
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Where did Dr. Phiet Phung go to medical school?
Dr. Phung graduated from American University of the Caribbean School of Medicine in 2000.
Has Dr. Phiet Phung received payments from drug or device companies?
CMS Open Payments shows $182 in general payments to Dr. Phung from 4 companies from 2016 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Phiet Phung been practicing?
Dr. Phung graduated from medical school in 2000, 26 years ago.
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