Doctor profile · Federal record

Dr. Charlie Gnaim, M.D.

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Humble, TX

  • NPI 1245386424
  • Accepts Medicare
  • MIPS 78.3 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
18450 Highway 59 N
Humble, TX 773384404
(281) 446-6656
fax (281) 446-6657
Additional location
10907 Memorial Hermann Dr Ste 400
Pearland, TX 775844115
(281) 741-0280
fax (832) 486-9953

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 28, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Texas #M0413

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245386424. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,843
Distinct HCPCS
10
Medicare allowed
$225,048
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 720 403 $131
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 498 364 $15
99213 Established patient office or other outpatient visit, 20-29 minutes 137 105 $90
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 91 82 $8
36415 Insertion of needle into vein for collection of blood sample 64 50 $8
99204 New patient office or other outpatient visit, 45-59 minutes 58 58 $172
36482 Chemical destruction of first incompetent vein of arm or leg using imaging guidance 44 22 $1,739
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 29 $80
83880 Natriuretic peptide (heart and blood vessel protein) level 31 24 $38
80053 Blood test, comprehensive group of blood chemicals 30 30 $10

In context: peer comparison

Among 11 peers in this city , average services per provider: 95. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,556
Transactions
52
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 7 $575.15
Novartis Pharmaceuticals Corporation 18 $297.43
Boston Scientific Corporation 11 $245.65
CVRx, Inc. 2 $197.63
E.R. Squibb & Sons, L.L.C. 3 $62.50
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 3 $41.62
Janssen Pharmaceuticals, Inc 2 $35.94
Medtronic, Inc. 1 $26.71
Esperion Therapeutics, Inc. 1 $16.16
Amgen Inc. 1 $15.16
Tactile Systems Technology Inc 1 $14.68
CashFlow Solutions, LLC 1 $13.77
Becton, Dickinson and Company 1 $13.39

By nature of payment

Food and Beverage
$1,556

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,357
Patients
759
Total drug cost
$207,589
Drug Type Claims Patients Total cost
Furosemide Generic 291 97 $1,850
Valsartan Generic 253 81 $10,147
Rosuvastatin Calcium Generic 251 73 $6,185
Metoprolol Succinate Generic 208 69 $4,925
Carvedilol Generic 194 60 $2,071
Clopidogrel (Clopidogrel Bisulfate) Brand 184 63 $3,013
Eliquis (Apixaban) Brand 160 41 $165,158
Atorvastatin Calcium Generic 156 48 $2,379
Amlodipine Besylate Generic 122 45 $747
Potassium Chloride Generic 108 40 $2,493

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charlie Gnaim's medical specialty?
Dr. Charlie Gnaim practices Interventional Cardiology Physician in Humble, TX.
Where does Dr. Charlie Gnaim practice?
Dr. Charlie Gnaim practices at 18450 Highway 59 N, Humble, TX 773384404. Office phone: 2814466656.
What is Dr. Charlie Gnaim's NPI?
Dr. Charlie Gnaim's National Provider Identifier (NPI) is 1245386424, issued by NPPES.
Does Dr. Charlie Gnaim accept Medicare assignment?
Yes. Dr. Charlie Gnaim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlie Gnaim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.