Doctor profile · Federal record

Dr. Mark Colligan, MD

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

  • NPI 1902998347
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
502 Madison Oak, Suite 310
San Antonio, TX 782584084
(210) 483-8883
fax (210) 494-1740

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
December 28, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #N1291

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902998347. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,515
Distinct HCPCS
10
Medicare allowed
$635,127
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,994 1,323 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 543 192 $75
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 484 467 $14
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 421 412 $180
J2785 Injection, regadenoson, 0.1 mg 412 102 $53
99204 New patient office or other outpatient visit, 45-59 minutes 338 338 $159
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 324 141 $29
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 210 202 $65
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 208 205 $60
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 193 41 $25

In context: peer comparison

Among 53 peers in this city , average services per provider: 173. This provider delivers 38× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$13,292
Transactions
96
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Esperion Therapeutics, Inc. 14 $11,274.45
Abbott Laboratories 9 $361.81
PFIZER INC. 28 $359.61
E.R. Squibb & Sons, L.L.C. 10 $199.50
Janssen Pharmaceuticals, Inc 9 $174.04
Novartis Pharmaceuticals Corporation 14 $150.65
ABIOMED 1 $144.09
Novo Nordisk Inc 1 $139.91
Veryan Medical Incorporated 1 $112.18
Medtronic, Inc. 2 $84.92
BIOTRONIK INC. 1 $83.30
iRhythm Technologies, Inc. 2 $77.92
Amgen Inc. 2 $45.69
Alnylam Pharmaceuticals Inc. 1 $32.40
Lexicon Pharmaceuticals, Inc. 1 $29.18

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$8,460
Food and Beverage
$2,607
Travel and Lodging
$2,225

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,862
Patients
2,108
Total drug cost
$1,407,967
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 818 194 $889,409
Amlodipine Besylate Generic 794 255 $5,780
Rosuvastatin Calcium Generic 698 220 $14,073
Atorvastatin Calcium Generic 590 179 $7,253
Carvedilol Generic 568 178 $5,475
Losartan Potassium Generic 475 160 $6,923
Metoprolol Tartrate Generic 437 127 $4,492
Metoprolol Succinate Generic 379 124 $7,563
Chlorthalidone Generic 374 117 $7,692
Xarelto (Rivaroxaban) Brand 368 90 $431,706

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Colligan's medical specialty?
Dr. Mark Colligan practices Cardiovascular Disease Physician in San Antonio, TX.
Where does Dr. Mark Colligan practice?
Dr. Mark Colligan practices at 502 Madison Oak, San Antonio, TX 782584084. Office phone: 2104838883.
What is Dr. Mark Colligan's NPI?
Dr. Mark Colligan's National Provider Identifier (NPI) is 1902998347, issued by NPPES.
Does Dr. Mark Colligan accept Medicare assignment?
Yes. Dr. Mark Colligan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Colligan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.