NPPES file of Aug 9, 2026

Mariana Ontiveros, APRN

Primary Care Nurse Practitioner · Live Oak, TX

Mariana Ontiveros, APRN is a primary care nurse practitioner with a practice address in Live Oak, Texas, and NPI 1912696493, issued on May 2, 2023. Check the license (Texas 1114788, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912696493
Name
Mariana Ontiveros
Credential
APRN
Primary taxonomy
Primary Care Nurse Practitioner 363LP2300X
License number
1114788 TX
Self-reported in NPPES; status is on the state search
Practice location
12410 Toepperwein RD, Live Oak, TX 78233
Phone
(210) 742-6555
Enumerated
May 2, 2023
Record last updated
May 2, 2023
Medicare enrollment
Enrolled (PECOS I20260320003205); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 12410 Toepperwein RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vanessa AndradaPhysician Assistant1942071238
  2. Fatima El MaanaouiFamily Nurse Practitioner1720715121
  3. Heenaben Rathod, FNPNurse Practitioner1417566548
  4. Khusboo Surtani, PA-CMedical Physician Assistant1023665221

Verify Mariana Ontiveros in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 1114788
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

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1% more Medicare Part D claims than the average primary care nurse practitioner in 2024

1,501 Medicare Part D claims for 218 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Mariana Ontiveros1,501
  2. Specialty average1,492

Most prescribed

  1. Amlodipine Besylate67 claims
  2. Atorvastatin Calcium63 claims
  3. Losartan Potassium59 claims
  4. Gabapentin58 claims
  5. Levothyroxine Sodium49 claims
  6. Metformin Hcl40 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.

Industry payments in 2024: $72.35

5 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 4,321 providers of this specialty with any payment received $625.13 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mariana Ontiveros$72.35
  2. Specialty average$625.13

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

  1. Onclick Healthcare IncorporatedImperial Beach, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Primary Care Nurse Practitioner providers in Texas

There are 822 primary care nurse practitioner records in Texas.

Other primary care nurse practitioner records in Texas

  1. Bethzaida AbdalDallas, TX1427598754
  2. Sosina AbebuRichardson, TX1417728817
  3. Blexy Abraham, APRNDallas, TX1124574157
  4. Vitalina Adamchevska, APRNRockwall, TX1083190789
  5. Kelsey Adams, FNP-CFort Worth, TX1285149385
  6. Elizabeth Adebayo, NPDallas, TX1659871168
  7. Funmilayo Afolami-Iyoha, MSN, APRN, AGPCNP-BCDallas, TX1992406045
  8. Clarise Agbor, FNP-CAbilene, TX1396201620
  9. Santos Aguirre, FNPSocorro, TX1174072797
  10. Michael Agyemang, APRNGrand Prairie, TX1043717747

Common questions

What is Mariana Ontiveros, APRN's NPI number?

Mariana Ontiveros, APRN's National Provider Identifier (NPI) is 1912696493, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mariana Ontiveros, APRN located?

The NPPES record lists a practice address at 12410 Toepperwein RD, Live Oak, TX, 78233. Phone: (210) 742-6555. Providers update this record themselves, so call before visiting.

How can I verify Mariana Ontiveros, APRN's license?

NPPES lists Texas license number 1114788, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Mariana Ontiveros, APRN prescribe under Medicare Part D?

In 2024, Mariana Ontiveros, APRN had 1,501 Medicare Part D claims for 218 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.