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Dr. David Tran, MD
NPI1881830784
- Medicare services, 2018
- 232
- Part D claims, 2018
- 525
- Publications
- 3
- Industry payments
- $492
- Affiliated sites
- 1
- Practice address
- 1113 Alta Ave Ste 103 Suite 103, Upland, CA 91786
- Practice phone
- Call (949) 429-0890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Matthew J Nykiel
Primary care practice · Upland, California
Find Dr. Tran's professional email, personal email and mobile number
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Dr. David Tran is an internist in Santa Monica, California
Dr. Tran practices at Matthew J Nykiel in Upland, California.
Dr. Tran's NPI, 1881830784, was assigned on December 23, 2008. Dr. Tran graduated from Ho Chi Minh City Medicine and Pharmacy University in 1973. Dr. Tran's California license number on file is A034301.
NPI and contact details
- NPI
- 1881830784NPI Registry (opens in a new tab)
- NPI enumeration date
- December 23, 2008
- NPI status
- Active
- Practice phone
- (949) 429-0890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Tran practices in Upland and Santa Monica
Dr. Tran's primary practice is Matthew J Nykiel, at 1113 Alta Ave Ste 103 Suite 103, Upland, CA 91786. The practice phone is (949) 429-0890. The NPI Registry lists Dr. Tran's practice address as 2121 Santa Monica Blvd, Santa Monica, CA 90404.
- Matthew J NykielPrimary1113 Alta Ave Ste 103 Suite 103, Upland, CA 91786Phone(949) 429-0890
- NPI Registry address2121 Santa Monica Blvd, Santa Monica, CA 90404 · Los Angeles CountyPhone(909) 985-1908
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. David Tran is affiliated with 1 site of care and 2 medical groups
Dr. Tran's primary practice is Matthew J Nykiel in Upland, California. The medical group on file is Tower Imaging Medical Group. Dmand AI also links Dr. Tran to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. David Tran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tran practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Matthew J Nykiel | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Tran is one of 16,751 internists in California
Internal medicine is Dr. Tran's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tran has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Tran
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. David Tran billed Medicare for 232 services in 2018
CMS data shows 232 Medicare services from Dr. Tran across 2 procedure codes in 2018, all of them office visits. Medicare paid $11,481 for them. Every service was in an office.
Medicare services, 2018232
Paid by Medicare$11,481
Procedure codes2
Dr. Tran's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 2912018: 23220%
Dr. Tran compared with the California median for internists, 2018
- Dr. Tran
- California median
- Medicare services
- 232vs 36136% below
- Part D claims
- 525vs 42125% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tran's most billed Medicare procedure codes, 2018
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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Tran's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Tran's median patient age at 75, with 69% women.
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 75
Patient panel by sex, all payers
- Women69%
- Men31%
Source: Dmand AI Patient Panel Data
Dr. David Tran wrote 525 Medicare Part D claims in 2018
In 2018, Dr. Tran wrote 525 Medicare Part D claims. They cover 12 drugs, with $4,475 in total drug cost. In 2017, CMS named 500 claims across 16 drugs.
Part D claims, 2018525
Drugs named by CMS12
Total drug cost$4,475
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: 5002018: 5255%
Drugs named by CMS: 12 in 2018, 16 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. David Tran has 3 publications on record
Dmand AI links 3 papers to Dr. Tran, published from 2016 to 2018. Dr. Tran's most frequent co-author is Jun Yin, MD, PhD.
Papers3
Years published2016 to 2018
Dr. Tran's most frequent co-authors
Recent publications by Dr. Tran
Biochim Biophys Acta Proteins Proteom
AcetyltransferasesAmino Acid SequenceClostridioides difficile
Appl Immunohistochem Mol Morphol
B7-H1 AntigenImmunohistochemistryNeoplasm Metastasis
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 internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Tran received $492 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. Tran from 1 drug or device company in 2016. Travel and lodging make up the largest share, 100% of the total. Nevro Corp. paid the most, $492.
Companies that paid Dr. Tran the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Tran graduated from Ho Chi Minh City Medicine and Pharmacy University
Dr. Tran graduated from Ho Chi Minh City Medicine and Pharmacy University in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. David 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. David Tran's NPI number?
Dr. David Tran's NPI number is 1881830784. It was assigned on December 23, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. David Tran?
Dr. David Tran is an internist in Santa Monica, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Tran practice?
Dr. Tran practices at 1113 Alta Ave Ste 103 Suite 103, Upland, CA 91786. Dr. Tran also practices at 2121 Santa Monica Blvd, Santa Monica, CA 90404. Dr. Tran's primary practice is Matthew J Nykiel in Upland, California. Dmand AI also links Dr. Tran to 1 medical group.
What is Dr. David Tran's office phone number?
The practice phone on file for Dr. Tran is (949) 429-0890.
What is Dr. David Tran's medical license number?
Dr. Tran's California license number on file is A034301.
What medical group is Dr. David Tran part of?
Dr. Tran is linked to Tower Imaging Medical Group. Dmand AI links Dr. Tran to 1 more medical group.
Does Dr. David Tran accept Medicare?
Yes. CMS data shows Dr. Tran billed Medicare for 232 services in 2018.
What services does Dr. David Tran bill to Medicare?
In 2018, Dr. Tran's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. David Tran go to medical school?
Dr. Tran graduated from Ho Chi Minh City Medicine and Pharmacy University in 1973.
What drugs does Dr. David Tran prescribe most?
In 2018 Medicare Part D data, Dr. Tran's most prescribed drugs by claims were Cephalexin, Azithromycin and Ibuprofen.
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Has Dr. David Tran received payments from drug or device companies?
CMS Open Payments shows $492 in general payments to Dr. Tran from 1 company from 2016 to 2016. The largest total came from Nevro Corp.
How long has Dr. David Tran been practicing?
Dr. Tran graduated from medical school in 1973, 53 years ago.
Does Dr. David Tran do research?
Dmand AI links 3 publications to Dr. Tran, published from 2016 to 2018.
Who does Dr. David Tran publish with?
Dr. Tran's most frequent co-authors are Jun Yin, MD, PhD (1 shared paper).
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