Ileana Y. Tsai, P.A.C.
Medical Physician Assistant · Houston, TX
Ileana Y. Tsai, P.A.C. is a medical physician assistant with a practice address in Houston, Texas, and NPI 1154653020, issued on Feb 3, 2010. Check the license (Texas PA01980, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ileana Y. Tsai
- Credential
- P.A.C.
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA01980 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4126 Southwest Fwy., Houston, TX 77027
- Phone
- (713) 479-1100
- Enumerated
- Feb 3, 2010
- Record last updated
- Feb 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (713) 629-6032
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 2,146 in Texas → Look up another NPI →
Verify Ileana Y. Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA01980Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average medical physician assistant in 2024
11 Medicare Part D claims, against an average of 1,148 among the 23,801 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: $306.73
14 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Ileana Y. Tsai among 2,146 medical physician assistant records in Texas
Ileana Y. Tsai, P.A.C. is one of 2,146 medical physician assistant records with a practice address in Texas. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 46% of them.
- NPI issued2010 · 46% of these records are older, 49% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2010 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Texas
There are 2,146 medical physician assistant records in Texas.
All 2,146 in Texas → Every provider in Houston → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Taylor Boagni, PA-CHouston, TX 770271053096842
- Brenna Brown, PA-CHouston, TX 770271346193455
- Laura Hardin, PA-CHouston, TX 770271619146602
- Senthilkumaran Lakshmanan, PA-CHouston, TX 770271982047668
- Megan Shonebarger, PAHouston, TX 770271154765097
- John Zern, P.A.Houston, TX 770271407274988
- Vrutik PatelHouston, TX 770261619722956
- Sydnee RamseyHouston, TX 770261972151306
Common questions
What is Ileana Y. Tsai, P.A.C.'s NPI number?
Ileana Y. Tsai, P.A.C.'s National Provider Identifier (NPI) is 1154653020, issued on Feb 3, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ileana Y. Tsai, P.A.C. located?
The NPPES record lists a practice address at 4126 Southwest Fwy., Houston, TX, 77027. Phone: (713) 479-1100. Providers update this record themselves, so call before visiting.
How can I verify Ileana Y. Tsai, P.A.C.'s license?
NPPES lists Texas license number PA01980, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Ileana Y. Tsai, P.A.C. prescribe under Medicare Part D?
In 2024, Ileana Y. Tsai, P.A.C. had 11 Medicare Part D claims; the average among medical physician assistant prescribers was 1,148. 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.