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Internal Medicine

Andres R. Garza, MD

Works at hospitals in Washington, DC · Arlington, VA · District of Columbia, Virginia

Summary

Dr. Andres R. Garza, MD is an internal medicine doctor at 1635 N George Mason Dr, 490 Arlington Prim Care, Arlington, VA 22205. Phone: (703) 522-5300. Accepts Medicare assignment. In 2024, Andres R. Garza had 29 Original Medicare patients and 69 services. NPI 1619465242. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1635 N George Mason Dr, 490 Arlington Prim Care, Arlington, VA 22205 · Directions (2 more locations)
  • Phone: (703) 522‑5300
  • Medicare: Accepts Medicare assignment
  • Hospitals: Sibley Memorial Hospital, Virginia Hospital Center
  • Group practice: Privia Medical Group, LLC
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 2018 (8 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 Andres R. Garza, 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 Andres R. Garza accept Medicare assignment?
Yes. Medicare's clinician data says Andres R. Garza 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 Andres R. Garza see?
In 2024, CMS data shows 29 Original Medicare patients and 69 services for Andres R. Garza. This counts Original Medicare only and measures volume, not quality.
What is Andres R. Garza's NPI number?
1619465242. 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 Andres R. Garza, 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 patients29
Services billed to Medicare69
Different services or procedures7
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)31 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 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).

  • High cholesterol75%
  • High blood pressure62%
  • Arthritis41%

Hospitals where Andres R. Garza works

Medicare's Facility Affiliation Data lists Andres R. Garza at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
  • Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050

Practice locations

Addresses where Andres R. Garza is enrolled with Medicare (CMS data updated October 2, 2026).

  • 1635 N George Mason Dr, 490 Arlington Prim CareArlington, VA 22205 (703) 522‑5300
  • 9470 Annapolis Rd, Suite 309Lanham, MD 20706 (202) 832‑1800
  • 950 N Glebe Rd, Suite 700Arlington, VA 22203

Group practices

Medicare enrollment lists Andres R. Garza as a member of this group (CMS data updated October 2, 2026).

  • Privia Medical Group, LLC1,533 clinicians in the group

Specialties

Find other Internal Medicine doctors in Virginia →

Other internal medicine doctors in Arlington

Clinicians with the same Medicare primary specialty in Arlington, VA — not a recommendation.

All internal medicine doctors in Arlington →

Other clinicians in Privia Medical Group, LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1619465242
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians