MARGARITA M ONTIVEROS MD
NPI 1346310968
Internal Medicine - Cardiovascular Disease in San Antonio, TX

Q: What is Margarita Ontiveros's NPI number?

The NPI number for Margarita Ontiveros is 1346310968. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Q: What is Margarita Ontiveros's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Active since November 09, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

311 CAMDEN ST, SUITE 102, SAN ANTONIO, TX 78215(210) 281-9800(210) 281-1001 Get Directions Write a Review

NPPES record last updated: May 1, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Margarita M Ontiveros Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARITA M ONTIVEROS MD (NPI 1346310968) is an individual cardiovascular disease provider in San Antonio, Texas, licensed in Texas (H5196) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Un Of California, Irvine, College Of Medicine (1987).

NPPES Registry Identity

NPI1346310968

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameMARGARITA M ONTIVEROSCredential: MD

Location Address311 CAMDEN ST, SUITE 102San Antonio, TX 78215-2012

Mailing Address311 Camden St, Suite 102San Antonio, TX 78215-2012 · (210) 281-9800 · Fax (210) 281-1001

Phone(210) 281-9800

Fax(210) 281-1001

Sole ProprietorYes

Medical School CMSUn Of California, Irvine, College Of MedicineGraduated 1987

Enumeration DateNovember 9, 2006

Last NPPES UpdateMay 1, 2008

✔ NPI 1346310968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in TX · H5196

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

311 CAMDEN ST, San Antonio, TX 78215

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Other Identifiers 4

Medicaid123672105TX

Other0083HBTX · Blue Cross Blue Shield

Medicare UPINF91451TX

Medicare PIN8900N0TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margarita M Ontiveros Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547171688

PECOS Enrollment IDI20110118000310

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

251 services159 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

242 services183 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

85 services73 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

72 services18 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

49 services49 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

36 services17 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

35 services16 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

33 services33 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

30 services30 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

25 services25 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

25 services25 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

16 services16 patients

Technetium tc-99m tetrofosmin, diagnostic, per study dose A9502

Technetium Tc-99m Tetrofosmin is a radiopharmaceutical used in diagnostic imaging. It helps highlight areas of concern in the heart by emitting signals captured by a special camera. This assists doctors in detecting heart conditions.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Coronary Artery Disease (CAD): Antiplatelet Therapy

Percentage of patients aged 18 years and older with a diagnosis of coronary artery disease (CAD) seen within a 12 month period who were prescribed aspirin or clopidogrel

87%1,265 patients3/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%7,325 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

81%1,471 patients4/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

5%63 patients1/55-star benchmark: 98%

Ischemic Vascular Disease (IVD): Use of Aspirin or Another Antiplatelet

Percentage of patients 18 years of age and older who were diagnosed with acute myocardial infarction (AMI), coronary artery bypass graft (CABG) or percutaneous coronary interventions (PCI) in the 12 months prior to the measurement period, or who had an active…

85%1,229 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

94%1,238 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

0%1,256 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

16%3,021 patients1/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

17%149 patients1/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user

72%2,145 patients3/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

2%1,256 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AMY BENSON M.D.

Radiology (Diagnostic Radiology)

311 CAMDEN ST, SUITE 208
SAN ANTONIO, TX 78215

Bexar County (210) 892-0228

KENT ROHWEDER M.D.

Radiology (Diagnostic Radiology)

311 CAMDEN ST, SUITE 208
SAN ANTONIO, TX 78215

Bexar County (210) 892-0228

DR. ANKITKUMAR H. PATEL MD

Radiology (Diagnostic Radiology)

311 CAMDEN ST, SUITE 208
SAN ANTONIO, TX 78215

Bexar County (210) 455-0167

DR. ROBERT CLAYTON CHANDLER MD

Radiology (Diagnostic Radiology)

311 CAMDEN ST, SUITE 208
SAN ANTONIO, TX 78215

Bexar County (210) 455-0167

DR. JORGE CARLOS MAGALLON M.D.

Internal Medicine (Interventional Cardiology)

311 CAMDEN ST, STE 102
SAN ANTONIO, TX 78215

Bexar County (210) 281-9800

DR. DANIEL PACHECO MD

Radiology (Diagnostic Radiology)

311 CAMDEN ST, SUITE 208
SAN ANTONIO, TX 78215

Bexar County (210) 455-0167

CESAR R. PINA PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

311 CAMDEN ST, STE 510
SAN ANTONIO, TX 78215

Bexar County (210) 591-1615

CHAD R CHRISTOPHERSON MD

Internal Medicine (Interventional Cardiology)

311 CAMDEN ST, SUITE 102
SAN ANTONIO, TX 78215

Bexar County (210) 281-9800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margarita Ontiveros's NPI number?

The NPI number for Margarita Ontiveros is 1346310968. It was assigned to this individual provider in the NPPES registry on November 9, 2006.

Where is Margarita Ontiveros located?

Margarita Ontiveros practices at 311 Camden St Suite 102, San Antonio, TX 78215. The listed phone number is (210) 281-9800.

What is Margarita Ontiveros's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Margarita Ontiveros enrolled in Medicare?

Yes. Margarita Ontiveros is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Margarita Ontiveros accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 4 other insurers list Margarita Ontiveros as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margarita Ontiveros was last updated on May 1, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.