Doctor profile · Federal record

Dr. Mariana Ontiveros, APRN

Primary Care Nurse Practitioner · Live Oak, TX

  • NPI 1912696493
  • 3 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12410 Toepperwein RD
Live Oak, TX 782333230
(210) 742-6555

Credentials & registration

NPPES · NUCC
NPI registered
May 2023 — 3 yrs on file
Specialty taxonomy
363LP2300X — NUCC code
State license (1)
Texas #1114788

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912696493. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
49
Distinct HCPCS
1
Medicare allowed
$5,021
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 49 39 $102

In context: peer comparison

Among 2 peers in Live Oak Primary Care Nurse Practitioner, average services per provider: 36. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$72
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 2 $34.02
AstraZeneca Pharmaceuticals Lp 1 $17.48
Pfizer INC. 1 $16.63
Electromed, INC. 1 $4.22

By nature of payment

Food and Beverage
$72

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
101
Patients
34
Total drug cost
$1,548
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 19 11 $222
Losartan Potassium Generic 16 11 $268
Atorvastatin Calcium Generic 15 0 $151
Lisinopril Generic 15 0 $97
Amlodipine Besylate Generic 12 0 $51
Methylprednisolone Generic 12 12 $122
Rosuvastatin Calcium Generic 12 0 $638

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariana Ontiveros's medical specialty?
Dr. Mariana Ontiveros practices Primary Care Nurse Practitioner in Live Oak, TX.
Where does Dr. Mariana Ontiveros practice?
Dr. Mariana Ontiveros practices at 12410 Toepperwein RD, Live Oak, TX 782333230. Office phone: 2107426555.
What is Dr. Mariana Ontiveros's NPI?
Dr. Mariana Ontiveros's National Provider Identifier (NPI) is 1912696493, issued by NPPES.
What procedures does Dr. Mariana Ontiveros commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.