Dr. Diem Kieu Thi Tran, MD
- Medicare services, 2024
- 24
- Medicare patients, 2024
- 22
- Part D claims, 2018
- 36
- Publications
- 22
- MIPS score, 2024
- 89
- Practice address
- 11234 Anderson St, Loma Linda, CA 92354
- Practice phone
- Call (909) 558-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tran'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. Diem Kieu Thi Tran is a neurosurgeon in Loma Linda, California
Dr. Tran practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
Dr. Tran's NPI, 1790168987, was assigned on July 7, 2015. Dr. Tran graduated from University of Utah School of Medicine in 2014. Dr. Tran's Washington license number on file is MD61135447.
- NPI
- 1790168987NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123327251
- NPI enumeration date
- July 7, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 558-4000
- 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. Diem Kieu Thi Tran practices at Loma Linda University Medical Center in Loma Linda, California
Dr. Tran's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.
- Loma Linda University Medical Center11234 Anderson St, Loma Linda, CA 92354 · San Bernardino CountyPhone(909) 558-4000
Source: Dmand AI Affiliation Data
Dr. Diem Kieu Thi Tran is affiliated with 3 sites of care and 2 medical groups
Dr. Tran's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Tran to 2 more group practices and clinics and 1 medical group, 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. Diem Kieu Thi Tran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tran practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loma Linda University Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Diem Kieu Thi Tran is one of 846 neurosurgeons in California
Neurological surgery is Dr. Tran's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Tran is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Tran's licenses on file in 2 states: Washington and California.
Specialties and state licenses
- Neurological surgery, WashingtonPrimary
- California license
Clinical focus
Dmand AI lists lower back pain, neck pain and spine problems and thoracic spine disorders among the conditions Dr. Tran treats.
Neurosurgeons near Dr. Tran
Counts of neurosurgeons 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. Diem Kieu Thi Tran billed Medicare for 24 services in 2024
CMS data shows 24 Medicare services from Dr. Tran across 1 procedure code in 2024, for 22 Medicare patients. Medicare paid $4,019 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tran's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 472024: 2449%
Dr. Tran compared with the California median for neurosurgeons, 2024
- Dr. Tran
- California median
- Medicare services
- 24vs 21689% below
- Medicare patients
- 22vs 15486% below
- Part D claims
- 36vs 2638% above
Medians across 679 neurosurgeons in California with Dmand AI profiles that report each measure.
Dr. Tran'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. Tran and other neurosurgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diem Kieu Thi Tran treated 22 Medicare patients in 2024, average age 68
CMS counts 22 Medicare patients who saw Dr. Tran in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.21, 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. Tran's median patient age at 15, with 45% women.
Chronic conditions among Dr. Tran's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Arthritis50%
- Diabetes50%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diem Kieu Thi Tran wrote 36 Medicare Part D claims in 2018
In 2018, Dr. Tran wrote 36 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $1,079 in total drug cost. In 2017, CMS named 81 claims across 5 drugs.
Dr. Tran's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 812018: 3656%
Drugs named by CMS: 3 in 2018, 5 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Diem Kieu Thi Tran scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Tran for performance year 2024, reported as part of a group. Dr. Tran accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tran's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Diem Kieu Thi Tran has 22 publications on record
Dmand AI links 22 papers to Dr. Tran, published from 2013 to 2022. 2017 was the busiest year, with 4. The most frequent topics are Brain Injuries, Traumatic, Drug Resistant Epilepsy and Hematoma, Subdural, Chronic. Dr. Tran has published most often in World Neurosurg. Dr. Tran's most frequent co-authors are Jefferson William Chen, MD, PhD, Sumeet Vadera, MD and Frank Pk Hsu, MD.
Dr. Tran's papers by year, 2013 to 2022
Topics Dr. Tran writes about most
- Brain Injuries, Traumatic
- Drug Resistant Epilepsy
- Hematoma, Subdural, Chronic
- Magnetic Resonance Imaging
- Adenoma
- Drainage
- Family
- Patient Education as Topic
Dr. Tran's most frequent co-authors
- Jefferson William Chen, MD, PhD10 shared papers
- Sumeet Vadera, MD8 shared papers
- Frank Pk Hsu, MD6 shared papers
Recent publications by Dr. Tran
World Neurosurg
See who Dr. Tran researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tran works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Diem Kieu Thi Tran received $1,218 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Tran from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $484.
General payments to Dr. Tran by program year, 2016 to 2025
Companies that paid Dr. Tran 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. Diem Kieu Thi Tran graduated from University of Utah School of Medicine
Dr. Tran graduated from University of Utah School of Medicine in 2014. Dr. Tran is a member of AANS and CNS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. Diem Kieu Thi Tran accepts plans from 8 insurance carriers
Dr. Tran is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- AK State Medicaid
- CMS Medicare
Plan types Dr. Tran accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Diem Kieu Thi Tran'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) |
| 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) |
| 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. Diem Kieu Thi Tran
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. Diem Kieu Thi Tran's NPI number?
Dr. Diem Kieu Thi Tran's NPI number is 1790168987. It was assigned on July 7, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Diem Kieu Thi Tran?
Dr. Diem Kieu Thi Tran is a neurosurgeon in Loma Linda, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Diem Kieu Thi Tran practice?
Dr. Tran practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Tran's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Dr. Tran to 2 group practices and clinics and 1 medical group.
What is Dr. Diem Kieu Thi Tran's office phone number?
The practice phone on file for Dr. Tran is (909) 558-4000.
What is Dr. Diem Kieu Thi Tran's medical license number?
Dr. Tran's Washington license number on file is MD61135447, one of the licenses on file in 2 states.
Which states has Dr. Diem Kieu Thi Tran been licensed in?
Dmand AI has state licenses on file for Dr. Tran in Washington (2021 to 2023) and California (2015 to 2025).
Which hospitals is Dr. Diem Kieu Thi Tran affiliated with?
Dr. Tran practices at Loma Linda University Medical Center in Loma Linda, California.
What medical group is Dr. Diem Kieu Thi Tran part of?
Dr. Tran is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Tran to 1 more medical group.
Does Dr. Diem Kieu Thi Tran accept Medicare?
Yes. CMS data shows Dr. Tran billed Medicare for 24 services in 2024, and Dr. Tran accepts Medicare assignment.
What is Dr. Diem Kieu Thi Tran's MIPS score?
Dr. Tran's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Diem Kieu Thi Tran see?
CMS counts 22 Medicare patients who saw Dr. Tran in 2024, with an average age of 68.
Is Dr. Diem Kieu Thi Tran board certified?
Yes. Dr. Tran is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Diem Kieu Thi Tran bill to Medicare?
In 2024, Dr. Tran's most billed Medicare services were critical care (99291).
Where did Dr. Diem Kieu Thi Tran go to medical school?
Dr. Tran graduated from University of Utah School of Medicine in 2014.
What drugs does Dr. Diem Kieu Thi Tran prescribe most?
In 2018 Medicare Part D data, Dr. Tran's most prescribed drugs by claims were Atorvastatin Calcium, Levetiracetam and Levothyroxine Sodium.
Has Dr. Diem Kieu Thi Tran received payments from drug or device companies?
CMS Open Payments shows $1,218 in general payments to Dr. Tran from 6 companies from 2016 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Dr. Diem Kieu Thi Tran been practicing?
Dr. Tran graduated from medical school in 2014, 12 years ago.
Does Dr. Diem Kieu Thi Tran do research?
Dmand AI links 22 publications to Dr. Tran, published from 2013 to 2022.
Who does Dr. Diem Kieu Thi Tran publish with?
Dr. Tran's most frequent co-authors are Jefferson William Chen, MD, PhD (10 shared papers), Sumeet Vadera, MD (8 shared papers) and Frank Pk Hsu, MD (6 shared papers).
What insurance does Dr. Diem Kieu Thi Tran accept?
Dr. Tran is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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