DR. OSCAR RIVERA MD
NPI 1376728279
Internal Medicine - Interventional Cardiology in Helotes, TX

Q: What is Oscar Rivera's NPI number?

The NPI number for Oscar Rivera is 1376728279. It was assigned to this individual provider in the NPPES registry on January 9, 2008.

Q: What is Oscar Rivera's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Oscar Rivera was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 09, 2008PECOS EnrolledAccepts Medicare Assignment

12340 BANDERA RD STE 104, HELOTES, TX 78023(210) 920-8000 Get Directions Write a Review

NPPES record last updated: August 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 19, 2023, May 5, 2023, May 9, 2019 and 1 more (4 updates tracked since 2019).

On this page

About Dr. Oscar Rivera Md NPPES

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

DR. OSCAR RIVERA MD (NPI 1376728279) is an individual interventional cardiology provider in Helotes, Texas, licensed in Texas (N3273) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Fort Duncan Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1376728279

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. OSCAR RIVERACredential: MD

Location Address12340 BANDERA RD STE 104Helotes, TX 78023-4575

Mailing AddressPo Box 846098Dallas, TX 75284-6098 · (903) 606-6400

Phone(210) 920-8000

Sole ProprietorNo

Medical School CMSPonce School Of MedicineGraduated 2006

Enumeration DateJanuary 9, 2008

Last NPPES UpdateAugust 26, 20254 updates tracked since enumeration

NPPES CertifiedAugust 26, 2025

✔ NPI 1376728279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

Licenses✔ Licensed in TX · N3273✔ Licensed in PR · 21234

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal MedicineTaxonomy 207R00000X · License 21234 (PR)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License N3273 (TX), 21234 (PR)

12340 BANDERA RD STE 104, Helotes, TX 78023

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Secondary Practice Locations 4

Location 168 CALLE SANTA CRUZ, STE 506BAYAMON, PR 00961-7035 · Phone (787) 786-4913 · Fax (787) 269-5575

Location 22833 Babcock Rd Ste 203San Antonio, TX 78229-4894 · Phone (210) 705-5100

Location 311130 Christus Hls Ste 207San Antonio, TX 78251-3586 · Phone (201) 746-5530

Location 411212 State Highway 151 Ste 100San Antonio, TX 78251-4500 · Phone (210) 703-8925

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Oscar Rivera 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 ID6305985953

PECOS Enrollment IDI20091120000341

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.

Medicare Billing Reassignments

Medicare enrollment records show Oscar Rivera reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Legacy Heart Care Of San Antonio

5.8 mi

Cardiovascular Disease

3903 WISEMAN BLVD STE 114
San Antonio, TX 78251

Reassigned Medicare billing, Texas enrollment
66 clinicians in this Medicare group

NPI 1285057935 (210) 558-1800

Christus Trinity Clinic Texas

278 mi

Family Medicine

520 DOUGLAS BLVD
Tyler, TX 75702

Reassigned Medicare billing, Texas enrollment
2,745 clinicians in this Medicare group

NPI 1285684225 (903) 315-4119

Physicians Unity

334 mi

Family Medicine

5224 75TH ST STE D
Lubbock, TX 79424

Reassigned Medicare billing, Texas enrollment
43 clinicians in this Medicare group

NPI 1679878268 (806) 712-1096

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

641 services240 patients

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.

220 services128 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.

214 services209 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

208 services193 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.

76 services19 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

66 services55 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.

62 services59 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.

59 services59 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

41 services38 patients

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

39 services39 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

32 services29 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.

29 services28 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.

29 services28 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

27 services26 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

25 services16 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

25 services25 patients

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

20 services20 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

15 services15 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

15 services14 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Fort Duncan Medical Center

Acute Care Hospitals · Eagle Pass, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450092

Location3333 N Foster Maldonado BlvdEagle Pass, TX 78852 · Maverick County

Emergency services Birthing friendly

Val Verde Regional Medical Center

Acute Care Hospitals · Del Rio, TX

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450154

Location801 Bedell AveDel Rio, TX 78840 · Val Verde County

Emergency services

Christus Santa Rosa Medical Center

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450237

Location2827 Babcock RoadSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78023 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

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

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

Other Providers at the Same Location NPPES 4

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

CARDIOVASCULAR INSTITUTE OF SOUTH TEXAS, PLLC

Internal Medicine (Interventional Cardiology)

12340 BANDERA RD STE 104
HELOTES, TX 78023

Bexar County (210) 920-8000

DR. JESUS A RODRIGUEZ MD

Family Medicine

12340 BANDERA RD STE 104
HELOTES, TX 78023

Bexar County (210) 704-0161

MEHDI RAMBOD M.D.

Internal Medicine (Cardiovascular Disease)

12340 BANDERA RD STE 104
HELOTES, TX 78023

Bexar County (210) 920-8000

LAKSHMI SUMANTH SEETHINA

Family Medicine

12340 BANDERA RD STE 104
HELOTES, TX 78023

Bexar County (210) 920-8000

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 Oscar Rivera's NPI number?

The NPI number for Oscar Rivera is 1376728279. It was assigned to this individual provider in the NPPES registry on January 9, 2008.

Where is Oscar Rivera located?

Oscar Rivera practices at 12340 Bandera Rd Ste 104, Helotes, TX 78023. The listed phone number is (210) 920-8000.

What is Oscar Rivera's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Oscar Rivera enrolled in Medicare?

Yes. Oscar Rivera 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.

Which organizations bill Medicare for Oscar Rivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Rivera reassigns Medicare benefits to 3 organizations: Legacy Heart Care Of San Antonio (San Antonio, TX), Christus Trinity Clinic Texas (Tyler, TX) and Physicians Unity (Lubbock, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Oscar Rivera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oscar Rivera accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First and UnitedHealthcare list Oscar Rivera 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.

Is Oscar Rivera affiliated with any hospitals?

According to CMS data, Oscar Rivera is affiliated with Fort Duncan Medical Center, Val Verde Regional Medical Center and Christus Santa Rosa Medical Center.

When was this NPI record last updated?

The NPPES record for Oscar Rivera was last updated on August 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.