Brian Castillo, M.D.
Family Medicine Physician · Houston, TX
Brian Castillo, M.D. is a family medicine physician with a practice address in Houston, Texas, and NPI 1922247881, issued on Feb 16, 2009. Check the license (Texas N1577, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian Castillo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- N1577 TX
Self-reported in NPPES; status is on the state search - Practice location
- 13176 W Lake Houston Pkwy, Houston, TX 77044
- Phone
- (281) 436-0061
- Enumerated
- Feb 16, 2009
- Record last updated
- Apr 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (281) 436-1128
- Medicare enrollment
- Enrolled (PECOS I20090416000544); may accept Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2007
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 13176 W Lake Houston Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cesario Castillo, M.D.Family Medicine Physician1447357439
- Gregg Castillo, M.D.Family Medicine Physician1508928185
Verify Brian Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N1577Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average family medicine physician in 2024
3,545 Medicare Part D claims for 251 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium286 claims
- Amlodipine Besylate166 claims
- Lisinopril134 claims
- Metformin Hcl126 claims
- Losartan Potassium107 claims
- Levothyroxine Sodium103 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: $13.34
1 payment: food and beverage; the largest payer was Pfizer 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brian Castillo among 11,119 family medicine physician records in Texas
Brian Castillo, M.D. 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 2009, is newer than 59% of them.
- NPI issued2009 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2007 · median 2004 among the 7,095 with a school on file
- Record last updated2010 · 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
- Justin Bogwu, M.D.Houston, TX 770441245550656
- Dalton Carter, MDHouston, TX 770441124656715
- Cesario Castillo, M.D.Houston, TX 770441447357439
- Gregg Castillo, M.D.Houston, TX 770441508928185
- Claire Kim, D.O.Houston, TX 770441992048979
- Chimere Nnaji, MDHouston, TX 770441013657741
- Derek Timbs, RN MSN FNPHouston, TX 770441609886910
- Zeba Barlas, M.D.Houston, TX 770451285642546
Common questions
What is Brian Castillo, M.D.'s NPI number?
Brian Castillo, M.D.'s National Provider Identifier (NPI) is 1922247881, issued on Feb 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Brian Castillo, M.D. located?
The NPPES record lists a practice address at 13176 W Lake Houston Pkwy, Houston, TX, 77044. Phone: (281) 436-0061. Providers update this record themselves, so call before visiting.
How can I verify Brian Castillo, M.D.'s license?
NPPES lists Texas license number N1577, 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 Brian Castillo, M.D. prescribe under Medicare Part D?
In 2024, Brian Castillo, M.D. had 3,545 Medicare Part D claims for 251 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.