DR. MARIO A GARZA M.D.
NPI 1194719666
Internal Medicine - Gastroenterology in San Antonio, TX

Q: What is Mario Garza's NPI number?

The NPI number for Mario Garza is 1194719666. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Q: What is Mario Garza'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 Mario Garza was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 September 09, 2005PECOS EnrolledAccepts Medicare Assignment

79.87/100

CMS Quality Rating

855 PROTON RD, SAN ANTONIO, TX 78258(210) 614-1234(210) 614-0952 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 17, 2018, Feb 15, 2018 (2 updates tracked since 2018).

On this page

About Dr. Mario A Garza M.d. NPPES

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

DR. MARIO A GARZA M.D. (NPI 1194719666) is an individual gastroenterology provider in San Antonio, Texas, licensed in Texas (K7743) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1194719666

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. MARIO A GARZACredential: M.D.

Location Address855 PROTON RDSan Antonio, TX 78258-4203

Mailing Address8415 Datapoint Dr Ste 700San Antonio, TX 78229-3327 · (210) 614-1234 · Fax (210) 614-0952

Phone(210) 614-1234

Fax(210) 614-0952

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1997

Enumeration DateSeptember 9, 2005

Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration

✔ NPI 1194719666 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 · K7743

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.

855 PROTON RD, San Antonio, TX 78258

Open in Google Maps ↗

Secondary Practice Locations 2

Location 112850 Toepperwein RdLive Oak, TX 78233-4115 · Phone (210) 614-1234 · Fax (210) 614-0952

Location 25223 Hamilton Wolfe RdSan Antonio, TX 78229-4463 · Phone (210) 614-1234 · Fax (210) 614-0952

Other Identifiers 2

Medicaid132179607TX

Other8J8381TX · Bcbs

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mario A Garza M.d. 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 ID1658359286

PECOS Enrollment IDI20040710000120

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 Reassignment

Medicare enrollment records show Mario Garza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Digestive Disease Consultants, PLLC

185 mi

Gastroenterology

4100 S SHEPHERD DR
Houston, TX 77098

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

NPI 1013429968 (832) 255-5681

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 11

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.

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.

132 services132 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.

98 services96 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.

73 services73 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.

42 services37 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

34 services33 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

26 services26 patients

Hospital Affiliations CMS Care Compare 2

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

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450058

Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County

Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number670055

Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78258 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.

79.87/100

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

Scored as part of a group practice

Quality

68.55

Promoting Interoperability

100

Improvement Activities

Cost

64.36

Reported Quality Measures

Photodocumentation of Cecal Intubation

The rate of screening and surveillance colonoscopies for which photodocumentation of landmarks of cecal intubation is performed to establish a complete examination

100%203 patients

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.

Other Providers at the Same Location NPPES 13

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

ERICA MARIE GIORDANO PA

Physician Assistant