Marian J. Oommen, DO
Family Medicine Physician · Houston, TX
Marian J. Oommen, DO is a family medicine physician with a practice address in Houston, Texas, and NPI 1619469681, issued on Jun 5, 2018. Check the license (Texas T2186, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marian J. Oommen
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- T2186 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2040 W Gray St Ste And200, Houston, TX 77019
- Phone
- (713) 442-3400
- Enumerated
- Jun 5, 2018
- Record last updated
- Jun 20, 2025
- Medicaid IDs
- 426987001 TX
426987003 TX - Medicare enrollment
- Enrolled (PECOS I20210713000646); accepts Medicare assignment
- Medical or professional school
- Kansas City University Of Med & Biosciences, College Of Osteo Med, 2018
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify Marian J. Oommen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T2186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average family medicine physician in 2024
1,374 Medicare Part D claims for 245 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium74 claims
- Amlodipine Besylate52 claims
- Metformin Hcl50 claims
- Fluticasone Propionate44 claims
- Losartan Potassium44 claims
- Lisinopril40 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.
Bills Medicare through one group practice
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marian J. Oommen among 11,119 family medicine physician records in Texas
Marian J. Oommen, DO 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · 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.
All 11,119 in Texas → Every provider in Houston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Octavio Barrios, M.D.Houston, TX 770191053490854
- Manju George, D.OHouston, TX 770191609860618
- Megan LutchmanHouston, TX 770191053054015
- Rolando Maldonado, MDHouston, TX 770191003856089
- Rudolph Marin, MDHouston, TX 770191750321832
- Saghy Motamedy, M.D.Houston, TX 770191407056062
- Rodney Trimble, DOHouston, TX 770191922056597
- Eman Abdelghani, MDHouston, TX 770181861062960
Common questions
What is Marian J. Oommen, DO's NPI number?
Marian J. Oommen, DO's National Provider Identifier (NPI) is 1619469681, issued on Jun 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Marian J. Oommen, DO located?
The NPPES record lists a practice address at 2040 W Gray St Ste And200, Houston, TX, 77019. Phone: (713) 442-3400. Providers update this record themselves, so call before visiting.
How can I verify Marian J. Oommen, DO's license?
NPPES lists Texas license number T2186, 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 Marian J. Oommen, DO prescribe under Medicare Part D?
In 2024, Marian J. Oommen, DO had 1,374 Medicare Part D claims for 245 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.