OSCAR A ALVAREZ MD
NPI 1376565838
Internal Medicine - Gastroenterology in Harlingen, TX

Q: What is Oscar Alvarez's NPI number?

The NPI number for Oscar Alvarez is 1376565838. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Q: What is Oscar Alvarez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Oscar Alvarez was last updated on July 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 July 24, 2006PECOS EnrolledAccepts Medicare Assignment

53.42/100

CMS Quality Rating

512 VICTORIA LN STE 2, HARLINGEN, TX 78550(956) 365-4400(956) 365-4111 Get Directions Write a Review

NPPES record last updated: July 14, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Oscar A Alvarez Md NPPES

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

OSCAR A ALVAREZ MD (NPI 1376565838) is an individual gastroenterology provider in Harlingen, Texas, licensed in Texas (J5967) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with South Texas Health System, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1376565838

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameOSCAR A ALVAREZCredential: MD

Location Address512 VICTORIA LN STE 2Harlingen, TX 78550-3227

Mailing Address512 Victoria Ln Ste 2Harlingen, TX 78550-3227 · (956) 365-4400 · Fax (956) 365-4111

Phone(956) 365-4400

Fax(956) 365-4111

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateJuly 24, 2006

Last NPPES UpdateJuly 14, 2022

NPPES CertifiedJuly 14, 2022

✔ NPI 1376565838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · J5967

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

512 VICTORIA LN STE 2, Harlingen, TX 78550

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Other Identifiers 1

Medicaid083176001TX

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

Oscar A Alvarez 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 ID345434882

PECOS Enrollment IDI20101028001519

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 5

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.

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

33 services33 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

25 services25 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

23 services23 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

16 services15 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

South Texas Health System

Acute Care Hospitals · Edinburg, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450119

Location1102 W Trenton RoadEdinburg, TX 78539 · Hidalgo County

Emergency services Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX

3/5 CMS rating

OwnershipPhysician

CMS Certification Number450869

Location5501 South MccollEdinburg, TX 78539 · Hidalgo County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 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.

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.

53.42/100

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

Scored as part of a group practice

Quality

80.29

Promoting Interoperability

Improvement Activities

Cost

70.78

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.

MS. NADIA YVETTE LOZANO APRN, FNP-C

Nurse Practitioner (Family)