Marelle Montanez, DO
Internal Medicine Physician · Houston, TX
Marelle Montanez, DO is an internal medicine physician with a practice address in Houston, Texas, and NPI 1891149399, issued on Apr 20, 2016. Check the license (Texas S0512, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marelle Montanez
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- S0512 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6411 Fannin St, Houston, TX 77030
- Phone
- (713) 704-4000
- Enumerated
- Apr 20, 2016
- Record last updated
- Mar 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210216001545); accepts Medicare assignment
- Medical or professional school
- At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa, 2016
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6411 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abeer Abdelhafez, MDDiagnostic Radiology Physician1225791338
- Hamzah Abduljabar, MDHospitalist Physician1720608730
- Muhammad Abdullah, CAAAnesthesiologist Assistant1053295154
- Nora AbifarajPharmacist1073435855
- Doha Aboul-FotouhPediatrics Physician1891255691
- Rodeo Abrencillo, M.D.Critical Care Medicine (Internal Medicine) Physician1164716635
Verify Marelle Montanez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S0512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
101 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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: $26.13
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
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
- Hospital Medicine Services OF TX, PLLCKingwood, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marelle Montanez among 9,175 internal medicine physician records in Texas
Marelle Montanez, DO 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 2016, is newer than 74% of them.
- NPI issued2016 · 74% of these records are older, 23% 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 updated2019 · 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.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ketti Awad, MDHouston, TX 770301740284710
- Parikshet Babber, MDHouston, TX 770301114915816
- James Baker, MDHouston, TX 770301477549566
- Ana Blackmon, M.D.Houston, TX 770301962402446
- Maria Cruz-Carreras, MDHouston, TX 770301376533893
- Marina George, MDHouston, TX 770301780680009
- Barry Goodfriend, MDHouston, TX 770301588666218
- Betty Halpern, MDHouston, TX 770301942292685
Common questions
What is Marelle Montanez, DO's NPI number?
Marelle Montanez, DO's National Provider Identifier (NPI) is 1891149399, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marelle Montanez, DO located?
The NPPES record lists a practice address at 6411 Fannin St, Houston, TX, 77030. Phone: (713) 704-4000. Providers update this record themselves, so call before visiting.
How can I verify Marelle Montanez, DO's license?
NPPES lists Texas license number S0512, 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 Marelle Montanez, DO prescribe under Medicare Part D?
In 2024, Marelle Montanez, DO had 101 Medicare Part D claims for 51 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.