1. Home
  2. Directory
  3. Texas
  4. Fort Sam Houston
  5. Emergency Medicine
  6. NPI Profile

DR. AARON GREY MATLOCK M.D.
NPI 1689830697
Emergency Medicine in Fort Sam Houston, TX

Active since July 30, 2008PECOS Enrolled
3551 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(210) 916-1983 Get Directions Write a Review

NPPES record last updated: December 21, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 21, 2019, Apr 11, 2017, Mar 22, 2017 (3 updates tracked since 2017).

About Dr. Aaron Grey Matlock M.d. NPPES

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

DR. AARON GREY MATLOCK M.D. (NPI 1689830697) is an individual emergency medicine provider in Fort Sam Houston, Texas, licensed in Texas (Q3044) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1689830697
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. AARON GREY MATLOCKCredential: M.D.
Location Address3551 ROGER BROOKE DRFort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke DrFort Sam Houston, TX 78234-4504 · (210) 916-1983
Phone(210) 916-1983
Sole ProprietorNo
Enumeration DateJuly 30, 2008
Last NPPES UpdateDecember 21, 20193 updates tracked since enumeration
✔ NPI 1689830697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · Q3044✔ Licensed in NM · 2019-0497✔ Licensed in WA · 60351665✔ Licensed in HI · 15682✔ Licensed in AK · 132749✔ Licensed in GU · M2140
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
3551 ROGER BROOKE DR, Fort Sam Houston, TX 78234
Open in Google Maps ↗

Secondary Practice Location 1

Location 14502 Medical DrSan Antonio, TX 78229-4402 · Phone (210) 358-2078

Other Identifiers 2

Medicaid353513007TX
Other353513008TX · Cshcn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aaron Grey Matlock M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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 20

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

JANET JONES SIMS CRNA
Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (253) 223-6272
JAMES KENNEDY HARDIN PA-C
Physician Assistant
3551 ROGER BROOKE DR
JBSA FT SAM HOUSTON, TX 78234
Bexar County (210) 295-4996
DR. DANIEL VICTOR-CALVIN HAMMOND M.D.
Pediatrics (Pediatric Endocrinology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 916-3020
JESSICA FULLER LCSW
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 808-1859
DR. JASON ROBERT HALL M.D.
Neurological Surgery
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9582
MRS. KATHRYN ELAINE HELLAND LCSW
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9582
DR. HALWARD BLEGEN IV DO
Ophthalmology
3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Bexar County (210) 220-7419
KOLE HOLLAND SPAULDING M.D.
Emergency Medicine (Emergency Medical Services)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Bexar County (210) 539-9582

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 Aaron Matlock's NPI number?

The NPI number for Aaron Matlock is 1689830697. It was assigned to this individual provider in the NPPES registry on July 30, 2008.

Where is Aaron Matlock located?

Aaron Matlock practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-1983.

What is Aaron Matlock's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Aaron Matlock enrolled in Medicare?

Yes. Aaron Matlock is registered in the Medicare PECOS enrollment system.

What insurance does Aaron Matlock accept?

Health plans from Blue Cross and Blue Shield of Texas list Aaron Matlock 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.

When was this NPI record last updated?

The NPPES record for Aaron Matlock was last updated on December 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.