Danielle Thoai-Thanh Tran
Internal Medicine Physician · Sacramento, CA
Danielle Thoai-Thanh Tran is an internal medicine physician with a practice address in Sacramento, California, and NPI 1730838889, issued on Mar 23, 2022. Check the license (California A188558, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Danielle Thoai-Thanh Tran
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A188558 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St # 1100, Sacramento, CA 95817
- Phone
- (916) 734-2737
- Enumerated
- Mar 23, 2022
- Record last updated
- Sep 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20251001003723); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4150 V St # 1100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rigo AcevedoInternal Medicine Physician1225616006
- Ebaa Al-ObeidiHematology & Oncology Physician1619472693
- Sarah Albrecht, MDStudent in an Organized Health Care Education/Training Program1124887211
- Ariceli Alfaro, MDStudent in an Organized Health Care Education/Training Program1124829379
- Johnny Alvarez De La Cruz, MDInternal Medicine Physician1285383844
- Kwan-Keat AngInternal Medicine Physician1447887666
Verify Danielle Thoai-Thanh Tran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
128 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.27
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The Univ OF CASacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Danielle Thoai-Thanh Tran among 17,696 internal medicine physician records in California
Danielle Thoai-Thanh Tran is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nelson Chiang, M.D.Sacramento, CA 958171326021494
- Robert Derlet, MDSacramento, CA 958171902887433
- Lynne Do, M.D.Sacramento, CA 958171386627644
- Jason Ferries, M.D.Sacramento, CA 958171609859974
- Steven Griffen, M.D.Sacramento, CA 958171053393835
- Diane Haddock, M.D.Sacramento, CA 958171013991553
- Calvin Hirsch, MDSacramento, CA 958171073597332
- Hershan Johl, MDSacramento, CA 958171255314399
Common questions
What is Danielle Thoai-Thanh Tran's NPI number?
Danielle Thoai-Thanh Tran's National Provider Identifier (NPI) is 1730838889, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Danielle Thoai-Thanh Tran located?
The NPPES record lists a practice address at 4150 V St # 1100, Sacramento, CA, 95817. Phone: (916) 734-2737. Providers update this record themselves, so call before visiting.
How can I verify Danielle Thoai-Thanh Tran's license?
NPPES lists California license number A188558, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Danielle Thoai-Thanh Tran prescribe under Medicare Part D?
In 2024, Danielle Thoai-Thanh Tran had 128 Medicare Part D claims for 49 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.