Charlie Gnaim, M.D.
NPI 1245386424 · Interventional Cardiology Physician · Humble, TX
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlie Gnaim, M.D. is a Interventional Cardiology Physician provider in Humble, TX (NPI 1245386424).
Provider details
- NPI number
- 1245386424
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- M0413 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,841 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 740 | $130 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 454 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $92 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 54 | $9 |
| Chemical Destruction of First Incompetent Vein of Arm Or Leg Using Imaging Guidance36482 | 53 | $1,646 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Valsartan | 314 | 85 |
| Furosemide | 291 | 105 |
| Rosuvastatin Calcium | 291 | 99 |
| Metoprolol Succinate | 223 | 66 |
| Carvedilol | 202 | 63 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 201 | 63 |
| Apixabanbrand: Eliquis | 196 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,556 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 10907 Memorial Hermann Dr Ste 400Pearland, TX 77584-4115Phone: (281) 741-0280Fax: (832) 486-9953
Registry dates
- Enumerated
- 2007-01-28
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Charlie Gnaim's NPI number?
- Charlie Gnaim's National Provider Identifier (NPI) is 1245386424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlie Gnaim's specialty?
- Charlie Gnaim is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Charlie Gnaim located?
- Charlie Gnaim's practice location on file with NPPES is 18450 Highway 59 N, Humble, TX 77338-4404.
- What is Charlie Gnaim's phone number?
- The practice phone number listed in the NPPES registry for Charlie Gnaim is (281) 446-6656.
- Does Charlie Gnaim accept Medicare?
- Charlie Gnaim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlie Gnaim's NPI active?
- Yes — Charlie Gnaim's NPI (1245386424) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.