NPPES file of Aug 9, 2026

Charlie Issa Gnaim, M.D.

Interventional Cardiology Physician · Humble, TX

Charlie Issa Gnaim, M.D. is an interventional cardiology physician with a practice address in Humble, Texas, and NPI 1245386424, issued on Jan 28, 2007. Check the license (Texas M0413, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245386424
Name
Charlie Issa Gnaim
Credential
M.D.
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
M0413 TX
Self-reported in NPPES; status is on the state search
Practice location
18450 Highway 59 N, Humble, TX 77338
Phone
(281) 446-6656
Enumerated
Jan 28, 2007
Record last updated
May 19, 2026
Fax
(281) 446-6657
Medicare enrollment
Enrolled (PECOS I20071128000756); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18450 Highway 59 N

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Syed Ali, MDInterventional Cardiology Physician1194286864
  2. Armita Atashband, MDInterventional Cardiology Physician1285872804
  3. Edward Baptista, M.D.Cardiovascular Disease Physician1487762209
  4. Victoria Brinkley, APRNAcute Care Nurse Practitioner1588972111
  5. Dylan Brooks, MDVascular Surgery Physician1528640273
  6. Maria Codreanu, M.D.Vascular Surgery Physician1710131933

Verify Charlie Issa Gnaim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M0413
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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31% more Medicare Part D claims than the average interventional cardiology physician in 2024

4,149 Medicare Part D claims for 599 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Charlie Gnaim4,149
  2. Specialty average3,179

Most prescribed

  1. Valsartan314 claims
  2. Furosemide291 claims
  3. Rosuvastatin Calcium291 claims
  4. Metoprolol Succinate223 claims
  5. Carvedilol202 claims
  6. Clopidogrel201 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score62.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,555.79

52 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charlie Gnaim$1,555.79
  2. Specialty average$7,062.29

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Cardiovascular Association, P.L.L.C.Humble, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Interventional Cardiology Physician providers in Texas

There are 724 interventional cardiology physician records in Texas.

Other interventional cardiology physician records in Texas

  1. Aamer Abbas, MDEl Paso, TX1508975772
  2. Danish Abbasi, MDPearland, TX1629466610
  3. John Naeim Nakhla Abdelmalek, MDLubbock, TX1437719127
  4. Ramy AbdelmaseihGalveston, TX1922569466
  5. Yasir Abdul Ghaffar, M.D.San Antonio, TX1053674408
  6. Arif Abdullah, M.D.Conroe, TX1801803069
  7. Ghassan Abusaid, M.D.San Antonio, TX1487858072
  8. Ashraf Abusara, MDVictoria, TX1265745715
  9. John Adan, MDEl Paso, TX1295709665
  10. Tayo Addo, MDDallas, TX1457328403

Common questions

What is Charlie Issa Gnaim, M.D.'s NPI number?

Charlie Issa Gnaim, M.D.'s National Provider Identifier (NPI) is 1245386424, issued on Jan 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charlie Issa Gnaim, M.D. located?

The NPPES record lists a practice address at 18450 Highway 59 N, Humble, TX, 77338. Phone: (281) 446-6656. Providers update this record themselves, so call before visiting.

How can I verify Charlie Issa Gnaim, M.D.'s license?

NPPES lists Texas license number M0413, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charlie Issa Gnaim, M.D. prescribe under Medicare Part D?

In 2024, Charlie Issa Gnaim, M.D. had 4,149 Medicare Part D claims for 599 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.

What is Charlie Issa Gnaim, M.D.'s MIPS final score?

The 2023 MIPS final score is 80.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.