Doctor profile · Federal record

Dr. Guillermo Reyes, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · San Antonio, TX

  • NPI 1164544656
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8093 Eckhert RD
San Antonio, TX 782402637
(210) 949-1300
fax (210) 949-1475

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
March 13, 2014
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #J01563
Medicaid
TX #103755802

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164544656. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,634
Distinct HCPCS
10
Medicare allowed
$671,413
HCPCS Description Services Patients Avg allowed
J0153 Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) 5,820 95 $1
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 1,164 389 $14
99215 Established patient office or other outpatient visit, 40-54 minutes 642 313 $171
99214 Established patient office or other outpatient visit, 30-39 minutes 447 261 $123
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 279 262 $178
93356 Heart muscle strain imaging 271 255 $36
J2785 Injection, regadenoson, 0.1 mg 256 64 $38
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 239 88 $61
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 171 160 $61
A9500 Technetium tc-99m sestamibi, diagnostic, per study dose 164 155 $380

In context: peer comparison

Among 53 peers in this city , average services per provider: 173. This provider delivers 61× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,106
Transactions
113
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
SCPHARMACEUTICALS INC. 32 $681.81
CARDIVA MEDICAL, INC. 15 $437.00
Janssen Pharmaceuticals, Inc 22 $393.93
SANOFI-AVENTIS U.S. LLC 10 $378.50
BIOTRONIK INC. 7 $358.83
Novo Nordisk Inc 1 $120.56
Alnylam Pharmaceuticals Inc. 3 $90.32
Azurity Pharmaceuticals, Inc. 5 $89.81
Janssen Scientific Affairs, LLC 1 $77.04
Esperion Therapeutics, Inc. 4 $68.57
PFIZER INC. 4 $68.44
AstraZeneca Pharmaceuticals LP 3 $65.74
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $65.23
Acist Medical Systems, Inc. 1 $46.63
Kiniksa Pharmaceuticals International, plc 2 $45.51

By nature of payment

Food and Beverage
$3,106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,969
Patients
625
Total drug cost
$350,262
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 289 94 $4,993
Atorvastatin Calcium Generic 265 75 $3,788
Lisinopril Generic 184 62 $1,343
Amlodipine Besylate Generic 140 48 $1,042
Metoprolol Succinate Generic 127 42 $2,275
Eliquis (Apixaban) Brand 126 37 $161,533
Sotalol (Sotalol Hcl) Brand 122 36 $4,398
Xarelto (Rivaroxaban) Brand 119 38 $158,759
Losartan Potassium Generic 115 40 $1,749
Nifedipine Er (Nifedipine) Brand 115 36 $6,183

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Guillermo Reyes's medical specialty?
Dr. Guillermo Reyes practices Cardiovascular Disease Physician in San Antonio, TX.
Where does Dr. Guillermo Reyes practice?
Dr. Guillermo Reyes practices at 8093 Eckhert RD, San Antonio, TX 782402637. Office phone: 2109491300.
What is Dr. Guillermo Reyes's NPI?
Dr. Guillermo Reyes's National Provider Identifier (NPI) is 1164544656, issued by NPPES.
Does Dr. Guillermo Reyes accept Medicare assignment?
Yes. Dr. Guillermo Reyes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guillermo Reyes commonly perform?
Top Medicare-reported procedures in 2023: Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) (HCPCS J0153); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.