J Pain Symptom Manage
Heart-Assist DevicesHeart Defects, CongenitalHeart Failure
Dr. Christine K. Bui, DO
NPI1285095752PAC ID8527366806
- Medicare services, 2024
- 34
- Medicare patients, 2024
- 50
- Part D claims, 2024
- 401
- Publications
- 4
- Industry payments
- $1,356
- Practice address
- 17500 Foothill Blvd, Fontana, CA 92335
- Practice phone
- Call (909) 428-0170
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Unicare Community Health Center - Fontana
FQHC - Main Site · Fontana, California
Find Dr. Bui'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. Christine K. Bui is an internist in Fontana, California
Dr. Bui practices at Unicare Community Health Center - Fontana in Fontana, California.
Dr. Bui's NPI, 1285095752, was assigned on March 11, 2016. Dr. Bui graduated from LECOM at Seton Hill - Greensburg in 2014. Dr. Bui's California license number on file is 20A18468.
NPI and contact details
- NPI
- 1285095752NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527366806
- NPI enumeration date
- March 11, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 428-0170
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christine K. Bui practices at Unicare Community Health Center - Fontana in Fontana, California
Dr. Bui's primary practice is Unicare Community Health Center - Fontana, at 17500 Foothill Blvd, Fontana, CA 92335. The practice phone is (909) 428-0170.
- Unicare Community Health Center - Fontana17500 Foothill Blvd, Fontana, CA 92335Phone(909) 428-0170
Source: Dmand AI Affiliation Data
Dr. Christine K. Bui is affiliated with 1 site of care and 1 medical group
Dr. Bui's primary practice is Unicare Community Health Center - Fontana in Fontana, California. The medical group on file is Unicare Community Health Center. Dr. Bui's employer is on file too: a community health center (fqhc).
Unicare Community Health Center - FontanaPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christine K. Bui's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bui practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Unicare Community Health Center - Fontana | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Bui practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christine K. Bui is one of 16,751 internists in California
Internal medicine is Dr. Bui's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bui is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Bui's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Texas license
Clinical focus
Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, aortic atherosclerois, arthritis, chronic hypertension and diabetic emergency among the conditions Dr. Bui treats.
Internists near Dr. Bui
Counts of internists 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. Christine K. Bui billed Medicare for 34 services in 2024
CMS data shows 34 Medicare services from Dr. Bui across 1 procedure code in 2024, for 50 Medicare patients. Medicare paid $8,176 for them. Every service was in an office.
Medicare services, 202434
Medicare patients50
Paid by Medicare$8,176
Procedure codes1
Dr. Bui's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 692024: 3451%
- Surgery
- 2023: 502024: 0100%
Dr. Bui compared with the California median for internists, 2024
- Dr. Bui
- California median
- Medicare services
- 34vs 36191% below
- Medicare patients
- 50vs 15167% below
- Part D claims
- 153vs 42164% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Bui'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. Bui?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bui and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christine K. Bui treated 50 Medicare patients in 2024, average age 72
CMS counts 50 Medicare patients who saw Dr. Bui in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 54% are also on Medicaid. Their average risk score is 2.22, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bui's median patient age at 52, with 61% women.
Medicare patients, 202450
Average age72
Average risk score2.22
Also on Medicaid54%
Dr. Bui's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bui's Medicare patients by sex, 2024
- Women2856%
- Men2244%
Chronic conditions among Dr. Bui's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes48%
- Chronic kidney disease46%
- Anxiety36%
- Heart failure36%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bui's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christine K. Bui wrote 401 Medicare Part D claims in 2024
In 2024, Dr. Bui wrote 401 Medicare Part D claims for 131 patients. 88% of them were for generic drugs. CMS names the drug for 153 of them, across 9 drugs with 11 or more claims each, at $9,852 in total drug cost. In 2023, CMS named 838 claims across 36 drugs.
Part D claims, 2024401
Drugs named by CMS9
Total drug cost$9,852
Part D patients131
Dr. Bui's Part D claims by kind of drug, 2024
- Generic352 claims88%
- Brand-name and other49 claims12%
Dr. Bui'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. Bui's Part D claims, 2024
- Antibiotics11%43 of 401 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: 8382024: 15382%
Drugs named by CMS: 9 in 2024, 36 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
How Dr. Christine K. Bui takes part in Medicare
Dr. Bui accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find internists like Dr. Bui by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Christine K. Bui has 4 publications on record
Dmand AI links 4 papers to Dr. Bui, published from 2019 to 2021. Dr. Bui has published most often in Can J Neurol Sci. Dr. Bui's most frequent co-authors are Ali Imran Cheema, MD, Danton Samuel Char, MD and Seth Adam Hollander, MD.
Papers4
Years published2019 to 2021
Dr. Bui's papers by year, 2019 to 2021
Dr. Bui's most frequent co-authors
- Ali Imran Cheema, MD2 shared papers
- Danton Samuel Char, MD1 shared paper
- Seth Adam Hollander, MD1 shared paper
Recent publications by Dr. Bui
Can J Neurol Sci
BrainCD8-Positive T-LymphocytesCognitive Dysfunction
See who Dr. Bui researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bui works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christine K. Bui received $1,356 in industry payments from 2016 to 2025
CMS Open Payments shows 25 general payments to Dr. Bui from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $318.
General payments to Dr. Bui by program year, 2016 to 2025
Companies that paid Dr. Bui the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christine K. Bui graduated from LECOM at Seton Hill - Greensburg
Dr. Bui graduated from LECOM at Seton Hill - Greensburg in 2014.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Christine K. Bui accepts plans from 12 insurance carriers
Dr. Bui is in network with 12 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +4 more carriersWith a free account
Plan types Dr. Bui accepts, by number of carriers
- PPO7
- HMO6
- EPO3
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Christine K. Bui'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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Christine K. Bui
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. Christine K. Bui's NPI number?
Dr. Christine K. Bui's NPI number is 1285095752. It was assigned on March 11, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Christine K. Bui?
Dr. Christine K. Bui is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christine K. Bui practice?
Dr. Bui practices at 17500 Foothill Blvd, Fontana, CA 92335. Dr. Bui's primary practice is Unicare Community Health Center - Fontana in Fontana, California.
What is Dr. Christine K. Bui's office phone number?
The practice phone on file for Dr. Bui is (909) 428-0170.
What is Dr. Christine K. Bui's medical license number?
Dr. Bui's California license number on file is 20A18468, one of the licenses on file in 2 states.
Which states has Dr. Christine K. Bui been licensed in?
Dmand AI has state licenses on file for Dr. Bui in California (2020 to 2025) and Texas (2017 to 2026).
What medical group is Dr. Christine K. Bui part of?
Dr. Bui is linked to Unicare Community Health Center.
Does Dr. Christine K. Bui accept Medicare?
Yes. CMS data shows Dr. Bui billed Medicare for 34 services in 2024, and Dr. Bui accepts Medicare assignment.
How many Medicare patients does Dr. Christine K. Bui see?
CMS counts 50 Medicare patients who saw Dr. Bui in 2024, with an average age of 72.
Is Dr. Christine K. Bui board certified?
Yes. Dr. Bui is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Christine K. Bui bill to Medicare?
In 2024, Dr. Bui's most billed Medicare services were care management and other visits (99496).
Where did Dr. Christine K. Bui go to medical school?
Dr. Bui graduated from LECOM at Seton Hill - Greensburg in 2014.
What drugs does Dr. Christine K. Bui prescribe most?
In 2024 Medicare Part D data, Dr. Bui's most prescribed drugs by claims were Losartan Potassium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Christine K. Bui received payments from drug or device companies?
CMS Open Payments shows $1,356 in general payments to Dr. Bui from 16 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Christine K. Bui been practicing?
Dr. Bui graduated from medical school in 2014, 12 years ago.
Does Dr. Christine K. Bui do research?
Dmand AI links 4 publications to Dr. Bui, published from 2019 to 2021.
Who does Dr. Christine K. Bui publish with?
Dr. Bui's most frequent co-authors are Ali Imran Cheema, MD (2 shared papers), Danton Samuel Char, MD (1 shared paper) and Seth Adam Hollander, MD (1 shared paper).
What insurance does Dr. Christine K. Bui accept?
Dr. Bui is in network with 12 carriers, including United Healthcare, Elevance and Aetna. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card