Sidney Charles Ontai, M.D.
Family Medicine Physician · Victoria, TX
Sidney Charles Ontai, M.D. is a family medicine physician with a practice address in Victoria, Texas, and NPI 1225240443, issued on May 3, 2007. Check the license (Texas K7364, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sidney Charles Ontai
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- K7364 TX
Self-reported in NPPES; status is on the state search - Practice location
- 501 E Colorado St, Victoria, TX 77901
- Phone
- (361) 579-8300
- Enumerated
- May 3, 2007
- Record last updated
- Aug 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (806) 579-8303
- Medicaid ID
- 018373301 TX
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 501 E Colorado St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sidney Charles Ontai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K7364Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
136 Medicare Part D claims for 58 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Pregabalin15 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): 86.4 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: $47.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Sidney Charles Ontai among 11,119 family medicine physician records in Texas
Sidney Charles Ontai, M.D. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
57 family medicine physician records list a practice address in Victoria
They are 57 of the 1,105 NPPES records with a practice address in Victoria, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Victoria → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Bouthillette, MDVictoria, TX 779011578635835
- Shannon Casey, MDVictoria, TX 779011083678072
- William Celentano, D.O.Victoria, TX 779011912951120
- Edward Ferrell, M.D.Victoria, TX 779011598720054
- Mary Fragile, DOVictoria, TX 779011699831586
- Pablo Garza, M.D.Victoria, TX 779011013900497
- Dante Garza, MDVictoria, TX 779011528043312
- Richard Leggett, DOVictoria, TX 779011336162064
Common questions
What is Sidney Charles Ontai, M.D.'s NPI number?
Sidney Charles Ontai, M.D.'s National Provider Identifier (NPI) is 1225240443, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sidney Charles Ontai, M.D. located?
The NPPES record lists a practice address at 501 E Colorado St, Victoria, TX, 77901. Phone: (361) 579-8300. Providers update this record themselves, so call before visiting.
How can I verify Sidney Charles Ontai, M.D.'s license?
NPPES lists Texas license number K7364, 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 Sidney Charles Ontai, M.D. prescribe under Medicare Part D?
In 2024, Sidney Charles Ontai, M.D. had 136 Medicare Part D claims for 58 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Sidney Charles Ontai, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.4 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.