Irene Lok-Sze Mata, PA-C
Medical Physician Assistant · Houston, TX
Irene Lok-Sze Mata, PA-C is a medical physician assistant with a practice address in Houston, Texas, and NPI 1023025269, issued on Aug 1, 2006. Check the license (Texas PA03678, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irene Lok-Sze Mata
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA03678 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18333 Egret Bay Blvd, Houston, TX 77058
- Phone
- (281) 333-1300
- Enumerated
- Aug 1, 2006
- Record last updated
- Feb 15, 2024
- Fax
- (281) 333-1303
- Medicare enrollment
- Enrolled (PECOS I20061101000061); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 2,146 in Texas → Look up another NPI →
Also registered at 18333 Egret Bay Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Irene Lok-Sze Mata in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA03678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average medical physician assistant in 2024
23 Medicare Part D claims, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
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: $162.91
3 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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.
Bills Medicare through one group practice
- Houston Spine And Neurosurgery Center PAHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Irene Lok-Sze Mata among 2,146 medical physician assistant records in Texas
Irene Lok-Sze Mata, PA-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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 73% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2008 · median 2012 among the 953 with a school on file
- Record last updated2024 · 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
- Carolyn Quillin, PA-CHouston, TX 770581831295534
- Bertha Campos, PA-CHouston, TX 770591255436366
- Leticia Cruz, PA-CHouston, TX 770591023103900
- Katie McCray, RPA-CHouston, TX 770571699755108
- Victor Aghatise, PAHouston, TX 770601184852469
- Lucia Brown, PA-CHouston, TX 770601356642508
- Carly Browne, PA-CHouston, TX 770551437595832
- Patrick Fitzwater, PA-CHouston, TX 770551154509602
Common questions
What is Irene Lok-Sze Mata, PA-C's NPI number?
Irene Lok-Sze Mata, PA-C's National Provider Identifier (NPI) is 1023025269, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irene Lok-Sze Mata, PA-C located?
The NPPES record lists a practice address at 18333 Egret Bay Blvd, Houston, TX, 77058. Phone: (281) 333-1300. Providers update this record themselves, so call before visiting.
How can I verify Irene Lok-Sze Mata, PA-C's license?
NPPES lists Texas license number PA03678, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Irene Lok-Sze Mata, PA-C prescribe under Medicare Part D?
In 2024, Irene Lok-Sze Mata, PA-C had 23 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.