Doctor profile · Federal record

Dr. Aaron Zweig, MD

Emergency Medicine Physician · San Antonio, TX

  • NPI 1609363951
  • 8 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Dallas St
San Antonio, TX 782051201
(866) 309-2873
Mailing address
6300 la Calma Dr Ste 200
Austin, TX 787523825

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
December 30, 2021
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Texas #T0047

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609363951. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
5
Medicare allowed
$19,378
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 44 44 $118
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 40 39 $8
99291 Critical care, first 30-74 minutes 35 35 $208
99285 Emergency department visit with high level of medical decision making 29 28 $172
99283 Emergency department visit with low level of medical decision making 23 23 $70

In context: peer comparison

Among 131 peers in San Antonio Emergency Medicine Physician, average services per provider: 107. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Zweig's medical specialty?
Dr. Aaron Zweig practices Emergency Medicine Physician in San Antonio, TX.
Where does Dr. Aaron Zweig practice?
Dr. Aaron Zweig practices at 111 Dallas St, San Antonio, TX 782051201. Office phone: 8663092873.
What is Dr. Aaron Zweig's NPI?
Dr. Aaron Zweig's National Provider Identifier (NPI) is 1609363951, issued by NPPES.
What procedures does Dr. Aaron Zweig commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.