Guillermo Montalban Bravo, MD
Hematology & Oncology Physician · Houston, TX
Guillermo Montalban Bravo, MD is a hematology & oncology physician with a practice address in Houston, Texas, and NPI 1487156782, issued on Mar 2, 2018. Check the license (Texas U7475, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Guillermo Montalban Bravo
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- U7475 TX
46000 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Mar 2, 2018
- Record last updated
- Jun 25, 2025
- Medicaid ID
- 382460901 TX
- Medicare enrollment
- Enrolled (PECOS I20180322001855); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Abbruzzese, M.D.Medical Oncology Physician1134233224
- Karim Abdeldaem, MDEmergency Medicine Physician1558056200
Verify Guillermo Montalban Bravo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U7475Check 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 hematology & oncology physician in 2024
342 Medicare Part D claims for 93 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Venclexta38 claims
- Levofloxacin35 claims
- Valacyclovir23 claims
- Allopurinol14 claims
- Cresemba13 claims
- Voriconazole12 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): 81.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $177.38
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Physicians Referral ServiceHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guillermo Montalban Bravo among 922 hematology & oncology physician records in Texas
Guillermo Montalban Bravo, MD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% 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 90% of them.
- NPI issued2018 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2010 · median 2004 among the 691 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 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in Houston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Ana AparicioHouston, TX 770301720033657
- Ahmed Eid, M.D.Houston, TX 770301649227406
- Susan Escudier, M.D.Houston, TX 770301831138221
- Lawrence Foote, M.D.Houston, TX 770301295777456
- Charles Geyer, MDHouston, TX 770301891795001
- Linus Ho, M.D., PH.D.Houston, TX 770301376525980
- Kevin Hude, M.D.Houston, TX 770301114996303
- Charles Manner, M. D.Houston, TX 770301760443782
Common questions
What is Guillermo Montalban Bravo, MD's NPI number?
Guillermo Montalban Bravo, MD's National Provider Identifier (NPI) is 1487156782, issued on Mar 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Montalban Bravo, MD located?
The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Montalban Bravo, MD's license?
NPPES lists Texas license number U7475, 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 Guillermo Montalban Bravo, MD prescribe under Medicare Part D?
In 2024, Guillermo Montalban Bravo, MD had 342 Medicare Part D claims for 93 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Guillermo Montalban Bravo, MD's MIPS final score?
The 2023 MIPS final score is 81.4 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.