NPPES file of Aug 9, 2026

Omar Tamimi, M.D.

Internal Medicine Physician · Houston, TX

Omar Tamimi, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1861929317, issued on May 15, 2017. Check the license (Texas S5087, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861929317
Name
Omar Tamimi
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
S5087 TX
Self-reported in NPPES; status is on the state search
Practice location
6565 Fannin St, Houston, TX 77030
Phone
(713) 441-5114
Enumerated
May 15, 2017
Record last updated
Jan 6, 2023
Fax
(713) 790-3023
Medicare enrollment
Enrolled (PECOS I20260123001354); accepts Medicare assignment
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 6565 Fannin St

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

  1. Karen Abboud, PHARMDOncology Pharmacist1316794597
  2. Akraam Abdel-KeremPharmacist1720831092
  3. Aliya Abdulla, PHARMD, BCCCPCritical Care Pharmacist1750207312
  4. Safiyah AbdullahAcute Care Nurse Practitioner1497200851
  5. Selma AbdurrahmanStudent in an Organized Health Care Education/Training Program1659127090
  6. Catherine Achim, M.D.Ophthalmology Physician1114215738

Verify Omar Tamimi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license S5087
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

395 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 11 claims were for opioids.

  1. Omar Tamimi395
  2. Specialty average3,176

Most prescribed

  1. Carvedilol23 claims
  2. Atorvastatin Calcium17 claims
  3. Pantoprazole Sodium17 claims
  4. Nifedipine Er16 claims
  5. Metoprolol Tartrate13 claims
  6. Cefdinir12 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.

Industry payments in 2024: $15.94

1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Omar Tamimi$15.94
  2. Specialty average$1,303.06

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. New York UniversityNew York, NY

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

Omar Tamimi among 9,175 internal medicine physician records in Texas

Omar Tamimi, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.

  • NPI issued2017 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2016 · median 2004 among the 6,088 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,488 internal medicine physician records list a practice address in Houston

They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ketti Awad, MDHouston, TX 770301740284710
  2. Parikshet Babber, MDHouston, TX 770301114915816
  3. James Baker, MDHouston, TX 770301477549566
  4. Ana Blackmon, M.D.Houston, TX 770301962402446
  5. Maria Cruz-Carreras, MDHouston, TX 770301376533893
  6. Marina George, MDHouston, TX 770301780680009
  7. Barry Goodfriend, MDHouston, TX 770301588666218
  8. Betty Halpern, MDHouston, TX 770301942292685

Common questions

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

Omar Tamimi, M.D.'s National Provider Identifier (NPI) is 1861929317, issued on May 15, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Omar Tamimi, M.D. located?

The NPPES record lists a practice address at 6565 Fannin St, Houston, TX, 77030. Phone: (713) 441-5114. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number S5087, 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 Tamimi, M.D. prescribe under Medicare Part D?

In 2024, Omar Tamimi, M.D. had 395 Medicare Part D claims for 121 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.