Jay Siu, DO
General Practice Physician · Eagle Pass, TX
Jay Siu, DO is a general practice physician with a practice address in Eagle Pass, Texas, and NPI 1689023160, issued on Jun 6, 2016. Check the license (Texas S2899, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jay Siu
- Credential
- DO
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- S2899 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2525 N Veterans Blvd, Eagle Pass, TX 78852
- Phone
- (830) 773-5358
- Enumerated
- Jun 6, 2016
- Record last updated
- Jan 17, 2025
- Fax
- (830) 773-0258
- Medicare enrollment
- Enrolled (PECOS I20190820000323); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2016
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,062 in Texas → Look up another NPI →
Also registered at 2525 N Veterans Blvd
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Verify Jay Siu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S2899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average general practice physician in 2024
1,154 Medicare Part D claims for 146 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 16 claims were for opioids.
Most prescribed
- Lisinopril74 claims
- Atorvastatin Calcium68 claims
- Gabapentin55 claims
- Metformin Hcl36 claims
- Levothyroxine Sodium35 claims
- Albuterol Sulfate Hfa34 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
- United Medical CentersEagle Pass, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jay Siu among 1,062 general practice physician records in Texas
Jay Siu, DO is one of 1,062 general practice physician records with a practice address in Texas. 44% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 56% of them.
- NPI issued2016 · 56% of these records are older, 43% newer
- In a Medicare fileYes · 44% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2016 · median 2000 among the 222 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Texas
There are 1,062 general practice physician records in Texas.
All 1,062 in Texas → Every provider in Eagle Pass → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Conrado Galindo, M.D.Del Rio, TX 788401083668818
- Palani Mani, MDDel Rio, TX 788401063474609
- Angel Martinez, M.D.Del Rio, TX 788401821085176
- Irma Montemayor, M.D.Del Rio, TX 788401386704054
- Antonio Rivera, M.D.Crystal City, TX 788391801905179
- J.william Lavalley, M.D.Austin, TX 787591376683458
- Leocadio Valentin, M.D.Austin, TX 787591356491971
- Nathan Wright, DOAustin, TX 787591902108004
Common questions
What is Jay Siu, DO's NPI number?
Jay Siu, DO's National Provider Identifier (NPI) is 1689023160, issued on Jun 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jay Siu, DO located?
The NPPES record lists a practice address at 2525 N Veterans Blvd, Eagle Pass, TX, 78852. Phone: (830) 773-5358. Providers update this record themselves, so call before visiting.
How can I verify Jay Siu, DO's license?
NPPES lists Texas license number S2899, 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 Jay Siu, DO prescribe under Medicare Part D?
In 2024, Jay Siu, DO had 1,154 Medicare Part D claims for 146 beneficiaries; the average among general practice physician prescribers was 3,030. 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.