Tuan V. Ta, MD
Infectious Disease Physician · Santa Ana, CA
Tuan V. Ta, MD is an infectious disease physician with a practice address in Santa Ana, California, and NPI 1114103124, issued on Jan 21, 2008. Check the license (California A99653, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tuan V. Ta
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A99653 CA
Self-reported in NPPES; status is on the state search - Practice location
- 999 N Tustin Ave Ste 224, Santa Ana, CA 92705
- Phone
- (714) 664-0045
- Enumerated
- Jan 21, 2008
- Record last updated
- Sep 2, 2025
- Fax
- (714) 664-0049
- Medicaid ID
- 1114103124 CA
- Medicare enrollment
- Enrolled (PECOS I20090209000444); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Also registered at 999 N Tustin Ave Ste 224
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Salena Birdsall, NPNurse Practitioner1265368427
Verify Tuan V. Ta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average infectious disease physician in 2024
1,293 Medicare Part D claims for 185 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Biktarvy221 claims
- Ethambutol Hcl82 claims
- Rifampin82 claims
- Azithromycin75 claims
- Odefsey53 claims
- Atorvastatin Calcium41 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.
The MIPS final score for 2023 (Medicare payment program): 53.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $503.26
24 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Infectious Disease Associates OF Orange County IncSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tuan V. Ta among 1,119 infectious disease physician records in California
Tuan V. Ta, MD is one of 1,119 infectious disease 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 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2003 among the 735 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California.
All 1,119 in California → Every provider in Santa Ana → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Puneet Chahal, MDSanta Ana, CA 927051811155476
- Michael Fitzgibbons, MDSanta Ana, CA 927051194727859
- Marianne Go-Wheeler, M.D.Santa Ana, CA 927051740627280
- Nicholas NguyenSanta Ana, CA 927051689239584
- Roma Patel, M.D.Santa Ana, CA 927051740523406
- Ronald Sherman, MDSanta Ana, CA 927061295903631
- Hon Yu, MDSanta Ana, CA 927041023118486
- Javier Davila, M.D.Fountain Valley, CA 927081548272768
Common questions
What is Tuan V. Ta, MD's NPI number?
Tuan V. Ta, MD's National Provider Identifier (NPI) is 1114103124, issued on Jan 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tuan V. Ta, MD located?
The NPPES record lists a practice address at 999 N Tustin Ave Ste 224, Santa Ana, CA, 92705. Phone: (714) 664-0045. Providers update this record themselves, so call before visiting.
How can I verify Tuan V. Ta, MD's license?
NPPES lists California license number A99653, 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 Tuan V. Ta, MD prescribe under Medicare Part D?
In 2024, Tuan V. Ta, MD had 1,293 Medicare Part D claims for 185 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Tuan V. Ta, MD's MIPS final score?
The 2023 MIPS final score is 53.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.