NPPES file of Aug 9, 2026

Owen E. Mc Cormack, D.O.

Family Medicine Physician · Houston, TX

Owen E. Mc Cormack, D.O. is a family medicine physician with a practice address in Houston, Texas, and NPI 1689607681, issued on Jul 10, 2006. Check the license (Texas L5460, 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
1689607681
Name
Owen E. Mc Cormack
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
L5460 TX
Self-reported in NPPES; status is on the state search
Practice location
427 W 20TH St Ste 500, Houston, TX 77008
Phone
(713) 363-9830
Enumerated
Jul 10, 2006
Record last updated
Apr 23, 2025
Medicaid IDs
161193104 TX
161193101 TX
Medicare enrollment
Enrolled (PECOS I20040805001320); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 427 W 20TH St Ste 500

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

  1. Joo Lee, DOInternal Medicine Physician1477944130
  2. Aubrey Paxson, DOInternal Medicine Physician1750919346
  3. Therese SisonInternal Medicine Physician1841618295

Verify Owen E. Mc Cormack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L5460
    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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12% fewer Medicare Part D claims than the average family medicine physician in 2024

3,115 Medicare Part D claims for 348 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 80 claims were for opioids.

  1. Owen Mc Cormack3,115
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium224 claims
  2. Amlodipine Besylate175 claims
  3. Lisinopril155 claims
  4. Rosuvastatin Calcium143 claims
  5. Losartan Potassium95 claims
  6. Levothyroxine Sodium82 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: $858.18

42 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Owen Mc Cormack$858.18
  2. Specialty average$902.55

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. Tmh Physician Associates PLLCSugar Land, TX

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

Owen E. Mc Cormack among 11,119 family medicine physician records in Texas

Owen E. Mc Cormack, D.O. is one of 11,119 family 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1999 · median 2004 among the 7,095 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,123 family medicine physician records list a practice address in Houston

They are 1,123 of the 61,221 NPPES records with a practice address in Houston, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Saleha Ahmed, M.D.Houston, TX 770081710917380
  2. Christopher Angelo, D.O.Houston, TX 770081457394850
  3. John Blum, DOHouston, TX 770081437220886
  4. Virgilio Carandang, MDHouston, TX 770081821037250
  5. John Giglio, M.D.Houston, TX 770081730178013
  6. Lisa Holloway, D.O.Houston, TX 770081548292360
  7. Adnan Hussein, MDHouston, TX 770081730299124
  8. Trung Le, M.D.Houston, TX 770081659336931

Common questions

What is Owen E. Mc Cormack, D.O.'s NPI number?

Owen E. Mc Cormack, D.O.'s National Provider Identifier (NPI) is 1689607681, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Owen E. Mc Cormack, D.O. located?

The NPPES record lists a practice address at 427 W 20TH St Ste 500, Houston, TX, 77008. Phone: (713) 363-9830. Providers update this record themselves, so call before visiting.

How can I verify Owen E. Mc Cormack, D.O.'s license?

NPPES lists Texas license number L5460, 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 Owen E. Mc Cormack, D.O. prescribe under Medicare Part D?

In 2024, Owen E. Mc Cormack, D.O. had 3,115 Medicare Part D claims for 348 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.