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Psychiatry

Mario A. Quintanilla, MD

Sees patients in Austin, TX · Corpus Christi, TX · Kyle, TX · Texas

Summary

Dr. Mario A. Quintanilla, MD is a psychiatrist at 4301 W William Cannon Dr, Suite 300, Austin, TX 78749. Phone: (512) 222-8868. Accepts Medicare assignment. In 2024, Mario A. Quintanilla had 53 Original Medicare patients and 569 services. NPI 1871552729. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 4301 W William Cannon Dr, Suite 300, Austin, TX 78749 · Directions (2 more locations)
  • Phone: (512) 222‑8868
  • Medicare: Accepts Medicare assignment
  • Group practice: Total MD Physicians Group, PLLC (+1 more)
  • Medical school: graduated 1970 (56 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Mario A. Quintanilla, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mario A. Quintanilla accept Medicare assignment?
Yes. Medicare's clinician data says Mario A. Quintanilla accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mario A. Quintanilla see?
In 2024, CMS data shows 53 Original Medicare patients and 569 services for Mario A. Quintanilla. This counts Original Medicare only and measures volume, not quality.
What is Mario A. Quintanilla's NPI number?
1871552729. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mario A. Quintanilla, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients53
Services billed to Medicare569
Different services or procedures7
Participating Medicare providerYes
Average age of these patients62

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)352 services
  2. Evaluation of psychological test, first hour (96130)66 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)65 services
  4. Administration of psychological or neuropsychological test by technician, first 30 minutes (96138)51 services
  5. Administration of psychological or neuropsychological test, first 30 minutes (96136)15 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Depression75%
  • Anxiety75%
  • High blood pressure60%
  • High cholesterol60%
  • Arthritis40%
  • Diabetes34%

Practice locations

Addresses where Mario A. Quintanilla is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mario A. Quintanilla as a member of these groups (CMS data updated October 2, 2026).

  • Total MD Physicians Group, PLLC129 clinicians in the group
  • Holly Psychiatric Clinic PLLC3 clinicians in the group

Specialties

Find other Psychiatry doctors in Texas →

Other psychiatrists in Austin

Clinicians with the same Medicare primary specialty in Austin, TX — not a recommendation.

All psychiatrists in Austin →

Other clinicians in Total MD Physicians Group, PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1970 (56 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871552729
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians