NPPES file of Aug 9, 2026

Omar I. Madriz, M.D.

Colon & Rectal Surgery Physician · Houston, TX

Omar I. Madriz, M.D. is a colon & rectal surgery physician with a practice address in Houston, Texas, and NPI 1598871204, issued on Aug 23, 2006. Check the license (Texas L0390, 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
1598871204
Name
Omar I. Madriz
Credential
M.D.
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License number
L0390 TX
Self-reported in NPPES; status is on the state search
Practice location
915 Gessner RD Ste 725, Houston, TX 77024
Phone
(713) 486-4680
Enumerated
Aug 23, 2006
Record last updated
Sep 28, 2023
Fax
(713) 464-4548
Medicaid ID
150272601 TX
Medicare enrollment
Enrolled (PECOS I20101110001047); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1995
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 915 Gessner RD Ste 725

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

  1. Joseph Cali, M.D.Colon & Rectal Surgery Physician1871504225

Verify Omar I. Madriz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L0390
    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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32% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024

131 Medicare Part D claims for 55 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Omar Madriz131
  2. Specialty average192

Most prescribed

  1. Hydrocortisone29 claims
  2. Lidocaine17 claims
  3. Metronidazole12 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): 82.4 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 score79.2
  2. Costout of 100 · 30%58.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $549.03

5 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Omar Madriz$549.03
  2. Specialty average$3,468.16

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. UT PhysiciansShenandoah, TX

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

Omar I. Madriz among 209 colon & rectal surgery physician records in Texas

Omar I. Madriz, M.D. is one of 209 colon & rectal surgery physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 56% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated1995 · median 2004 among the 174 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Colon & Rectal Surgery Physician providers in Texas

There are 209 colon & rectal surgery physician records in Texas.

The 8 colon & rectal surgery physician records with the nearest ZIP codes

  1. Joseph Cali, M.D.Houston, TX 770241871504225
  2. H Bailey, M.D.Houston, TX 770301386631505
  3. George Chang, M.D.Houston, TX 770301295820496
  4. Marianne Cusick, MD, MSPHHouston, TX 770301033323878
  5. Kelly Gilmore, MDHouston, TX 770301962697417
  6. Eric Haas, M.D.Houston, TX 770301275501603
  7. Atif Iqbal, MDHouston, TX 770301841398138
  8. Justin Kim, MDHouston, TX 770301043489248

Common questions

What is Omar I. Madriz, M.D.'s NPI number?

Omar I. Madriz, M.D.'s National Provider Identifier (NPI) is 1598871204, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Omar I. Madriz, M.D. located?

The NPPES record lists a practice address at 915 Gessner RD Ste 725, Houston, TX, 77024. Phone: (713) 486-4680. Providers update this record themselves, so call before visiting.

How can I verify Omar I. Madriz, M.D.'s license?

NPPES lists Texas license number L0390, 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 Omar I. Madriz, M.D. prescribe under Medicare Part D?

In 2024, Omar I. Madriz, M.D. had 131 Medicare Part D claims for 55 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.

What is Omar I. Madriz, M.D.'s MIPS final score?

The 2023 MIPS final score is 82.4 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.