Vivan N. Tran, MD
Internal Medicine Physician · Springfield, IL
Vivan N. Tran, MD is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1144439944, issued on May 21, 2007. Check the license (Illinois 036.124601, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Vivan N. Tran
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.124601 IL
35.090918 OH
Self-reported in NPPES; status is on the state search - Practice location
- 701 N 1St St, Springfield, IL 62781
- Phone
- (217) 528-7541
- Enumerated
- May 21, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 036124601 IL
- Medicare enrollment
- Enrolled (PECOS I20130903000479); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 701 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Vivan N. Tran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.124601Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
149 Medicare Part D claims for 61 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vivan N. Tran among 7,238 internal medicine physician records in Illinois
Vivan N. Tran, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2005 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 internal medicine physician records list a practice address in Springfield
They are 196 of the 4,997 NPPES records with a practice address in Springfield, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patrick Florido, M.D.Springfield, IL 627811437505765
- Kwesi Grant-Acquah, MDSpringfield, IL 627811669604468
- Sean Hayes, M.D.Springfield, IL 627811326337692
- Tami Hillis, M.D.Springfield, IL 627811467437459
- Rajanbir Singh, MDSpringfield, IL 627811124711023
- Shahrear Zaman, M.D.Springfield, IL 627811265859128
- Mosaab Ahmed, M.D.Springfield, IL 627701154632552
- Sachin AggarwalSpringfield, IL 627691841939840
Common questions
What is Vivan N. Tran, MD's NPI number?
Vivan N. Tran, MD's National Provider Identifier (NPI) is 1144439944, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Vivan N. Tran, MD located?
The NPPES record lists a practice address at 701 N 1St St, Springfield, IL, 62781. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Vivan N. Tran, MD's license?
NPPES lists Illinois license number 036.124601, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Vivan N. Tran, MD prescribe under Medicare Part D?
In 2024, Vivan N. Tran, MD had 149 Medicare Part D claims for 61 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.