Francisco Javier Delcastillo, M.D.
Specialist · Brownsville, TX
Francisco Javier Delcastillo, M.D. is a specialist with a practice address in Brownsville, Texas, and NPI 1639245004, issued on Nov 28, 2006. Check the license (Texas G2354, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Francisco Javier Delcastillo
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G2354 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4970 N Expressway Ste B, Brownsville, TX 78526
- Phone
- (956) 350-8788
- Enumerated
- Nov 28, 2006
- Record last updated
- Jan 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (956) 350-0009
- Medicaid ID
- 133008603 TX
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,716 in Texas → Look up another NPI →
Also registered at 4970 N Expressway Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose Villalobos, MDInternal Medicine Physician1063610715
Verify Francisco Javier Delcastillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license G2354Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average specialist in 2024
87 Medicare Part D claims for 28 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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: $17.75
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Francisco Javier Delcastillo among 1,716 specialist records in Texas
Francisco Javier Delcastillo, M.D. is one of 1,716 specialist records with a practice address in Texas. 31% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 46% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2014 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Texas
There are 1,716 specialist records in Texas.
All 1,716 in Texas → Every provider in Brownsville → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Gabriel De La TorreBrownsville, TX 785261710449160
- Raymond Hesterberg, MDBrownsville, TX 785261801878525
- Ramiro Munoz, M.D.Brownsville, TX 785261922066364
- Brooks RuleBrownsville, TX 785261568632867
- Timothy Thurber, M.D.Brownsville, TX 785261912076324
- Edelmiro Gaytan, LMTBrownsville, TX 785211205958212
- Seema Suri, M.D.Brownsville, TX 785211932158714
- Yogesh Trakru, M.D.Brownsville, TX 785211649229733
Common questions
What is Francisco Javier Delcastillo, M.D.'s NPI number?
Francisco Javier Delcastillo, M.D.'s National Provider Identifier (NPI) is 1639245004, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Francisco Javier Delcastillo, M.D. located?
The NPPES record lists a practice address at 4970 N Expressway Ste B, Brownsville, TX, 78526. Phone: (956) 350-8788. Providers update this record themselves, so call before visiting.
How can I verify Francisco Javier Delcastillo, M.D.'s license?
NPPES lists Texas license number G2354, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Francisco Javier Delcastillo, M.D. prescribe under Medicare Part D?
In 2024, Francisco Javier Delcastillo, M.D. had 87 Medicare Part D claims for 28 beneficiaries; the average among specialist prescribers was 1,380. 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.