Javier Castillo, M.D.
Maternal & Fetal Medicine Physician · San Antonio, TX
Javier Castillo, M.D. is a maternal & fetal medicine physician with a practice address in San Antonio, Texas, and NPI 1427386804, issued on Nov 24, 2009. Check the license (Texas N6209, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Javier Castillo
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License numbers
- N6209 TX
BP10031004 TX
22022 MS
Self-reported in NPPES; status is on the state search - Practice location
- 5414 Fredericksburg RD, San Antonio, TX 78229
- Phone
- (210) 614-2209
- Enumerated
- Nov 24, 2009
- Record last updated
- Jul 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (210) 614-5714
- Medicaid ID
- 08503514 MS
- Medicare enrollment
- Enrolled (PECOS I20150515001872); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2008
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 308 in Texas → Look up another NPI →
Also registered at 5414 Fredericksburg RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mofesola AdeolaClinical Social Worker1154295087
- Kathy Ballard, NNPNeonatal Intensive Care Registered Nurse1669490918
- Inger Barker, NNPCritical Care Neonatal Nurse Practitioner1306870340
- Isabel Basaldu-Prado, MDNeonatal-Perinatal Medicine Physician1942263926
- Deborah Catland, NNPCritical Care Neonatal Nurse Practitioner1932133972
- Anthony CorbetNeonatal-Perinatal Medicine Physician1649228487
Verify Javier Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N6209Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average maternal & fetal medicine physician in 2024
15 Medicare Part D claims, against an average of 41 among the 353 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.
Bills Medicare through one group practice
- Children's Physician Services OF South TexasCorpus Christi, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Javier Castillo among 308 maternal & fetal medicine physician records in Texas
Javier Castillo, M.D. is one of 308 maternal & fetal medicine physician records with a practice address in Texas. 77% 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 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2008 · median 2006 among the 187 with a school on file
- Record last updated2015 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Texas
There are 308 maternal & fetal medicine physician records in Texas.
All 308 in Texas → Every provider in San Antonio → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Michael Berkus, MDSan Antonio, TX 782291699737437
- Deborah Conway, MDSan Antonio, TX 782291336256312
- Akwugo Eziefule, M.D.San Antonio, TX 782291245468354
- Michael Gardner, M.D., MPH, MMMSan Antonio, TX 782291629001599
- Kenneth Higby, M.D.San Antonio, TX 782291881689081
- Christina Hill, MDSan Antonio, TX 782291215905096
- Robert Huff, MDSan Antonio, TX 782291578670634
- Kayla Ireland, M.D.San Antonio, TX 782291609196161
Common questions
What is Javier Castillo, M.D.'s NPI number?
Javier Castillo, M.D.'s National Provider Identifier (NPI) is 1427386804, issued on Nov 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Javier Castillo, M.D. located?
The NPPES record lists a practice address at 5414 Fredericksburg RD, San Antonio, TX, 78229. Phone: (210) 614-2209. Providers update this record themselves, so call before visiting.
How can I verify Javier Castillo, M.D.'s license?
NPPES lists Texas license number N6209, 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 Javier Castillo, M.D. prescribe under Medicare Part D?
In 2024, Javier Castillo, M.D. had 15 Medicare Part D claims; the average among maternal & fetal medicine physician prescribers was 41. 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.