Vincent M. Tjia, MD
Nephrology Physician · Austin, TX
Vincent M. Tjia, MD is a nephrology physician with a practice address in Austin, Texas, and NPI 1306803937, issued on Apr 27, 2006. Check the license (Texas L5587, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Vincent M. Tjia
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- L5587 TX
Self-reported in NPPES; status is on the state search - Practice location
- 321 W Ben White Blvd, Austin, TX 78704
- Phone
- (512) 320-1500
- Enumerated
- Apr 27, 2006
- Record last updated
- Oct 19, 2023
- Fax
- (512) 459-1399
- Medicaid ID
- 164930301 TX
- Medicare enrollment
- Enrolled (PECOS I20040629001164); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1999
- Entity
- Type 1 · individual
Also registered at 321 W Ben White Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ting-Chi Lu, MDNephrology Physician1649378787
- Tessa Novick, M.D., M.S.WNephrology Physician1881039568
- Edith Simmons, MDNephrology Physician1639112683
- Sujatha Venkatesh, MDNephrology Physician1821028077
Verify Vincent M. Tjia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L5587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average nephrology physician in 2024
879 Medicare Part D claims for 171 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate89 claims
- Farxiga74 claims
- Losartan Potassium68 claims
- Furosemide61 claims
- Carvedilol50 claims
- Sevelamer Carbonate48 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,740.25
57 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Austin Kidney Associates PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
Other nephrology physician records in Texas
- Bernardino Abaya, M.D.Houston, TX1740262013
- Aisha Abbasi, MDConroe, TX1942837570
- Abdul Abdellatif, M.D.Webster, TX1164560595
- Dina Abdelwahab, MDDallas, TX1801050208
- Mohammed Abdulaziz, MDLaredo, TX1881009215
- Muhammad Abdullah, MDSan Antonio, TX1154614832
- Nashila Abdulrahim, DODallas, TX1659665180
- Mai Abouelsaad, M.D.Houston, TX1790168086
- Fadi Abouzahr, MDSan Antonio, TX1982695896
- Koshy Abraham, MDFort Worth, TX1780658559
Common questions
What is Vincent M. Tjia, MD's NPI number?
Vincent M. Tjia, MD's National Provider Identifier (NPI) is 1306803937, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vincent M. Tjia, MD located?
The NPPES record lists a practice address at 321 W Ben White Blvd, Austin, TX, 78704. Phone: (512) 320-1500. Providers update this record themselves, so call before visiting.
How can I verify Vincent M. Tjia, MD's license?
NPPES lists Texas license number L5587, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Vincent M. Tjia, MD prescribe under Medicare Part D?
In 2024, Vincent M. Tjia, MD had 879 Medicare Part D claims for 171 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Vincent M. Tjia, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.