Doctor profile · Federal record

Dr. Gregg Silverman, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Nuclear Cardiology Physician · Corpus Christi, TX

  • NPI 1003816638
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 Texan Trl Ste 300
Corpus Christi, TX 784112549
(361) 887-9000
fax (361) 887-0942

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 12, 2024
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Texas #J0263
Medicaid
TX #116906202

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003816638. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,419
Distinct HCPCS
10
Medicare allowed
$383,148
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 1,173 681 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 1,054 612 $123
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 234 234 $190
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 225 129 $191
J2785 Injection, regadenoson, 0.1 mg 224 56 $54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 161 73 $77
93880 Ultrasound of both sides of head and neck blood flow 158 158 $185
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 123 123 $62
99204 New patient office or other outpatient visit, 45-59 minutes 101 101 $161
A9500 Technetium tc-99m sestamibi, diagnostic, per study dose 96 96 $220

In context: peer comparison

Among 12 peers in Corpus Christi Cardiovascular Disease Physician, average services per provider: 109. This provider delivers 41× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$469
Transactions
22
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 9 $140.21
Pfizer INC. 4 $88.43
iRhythm Technologies, INC. 1 $70.96
ShockWave Medical, INC 1 $43.69
Abbott Laboratories 2 $40.55
E.R. Squibb & Sons, L.L.C. 2 $35.68
CVRx, INC. 1 $17.60
Novo Nordisk INC 1 $16.78
Amgen INC. 1 $15.36

By nature of payment

Food and Beverage
$469

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,850
Patients
1,087
Total drug cost
$210,829
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 541 142 $8,500
Amlodipine Besylate Generic 423 127 $2,535
Losartan Potassium Generic 381 110 $4,836
Nifedipine ER (Nifedipine) Brand 342 82 $12,291
Digoxin Generic 333 85 $10,066
Diltiazem 24Hr ER (Cd) (Diltiazem Hcl) Brand 254 62 $13,638
Atorvastatin Calcium Generic 245 74 $2,432
Furosemide Generic 209 80 $1,377
Clopidogrel (Clopidogrel Bisulfate) Brand 204 66 $4,081
Eliquis (Apixaban) Brand 182 38 $140,762

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregg Silverman's medical specialty?
Dr. Gregg Silverman practices Cardiovascular Disease Physician in Corpus Christi, TX.
Where does Dr. Gregg Silverman practice?
Dr. Gregg Silverman practices at 601 Texan Trl Ste 300, Corpus Christi, TX 784112549. Office phone: 3618879000.
What is Dr. Gregg Silverman's NPI?
Dr. Gregg Silverman's National Provider Identifier (NPI) is 1003816638, issued by NPPES.
Does Dr. Gregg Silverman accept Medicare assignment?
Yes. Dr. Gregg Silverman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Silverman commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.