Isaac Anthony Castillo, MD
Orthopaedic Foot and Ankle Surgery Physician · Galveston, TX
Isaac Anthony Castillo, MD is an orthopaedic foot and ankle surgery physician with a practice address in Galveston, Texas, and NPI 1114547841, issued on Apr 22, 2020. Check the license (Texas W0139, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isaac Anthony Castillo
- Credential
- MD
- Primary taxonomy
- Orthopaedic Foot and Ankle Surgery Physician 207XX0004X
- License number
- W0139 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 University Blvd, Galveston, TX 77555
- Phone
- (409) 747-5727
- Enumerated
- Apr 22, 2020
- Record last updated
- Jun 7, 2026
- Fax
- (409) 747-5715
- Entity
- Type 1 · individual
8 nearest orthopaedic foot and ankle surgery physician records → All 76 in Texas → Look up another NPI →
Also registered at 301 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac Anthony Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W0139Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average orthopaedic foot and ankle surgery physician in 2024
79 Medicare Part D claims for 34 beneficiaries, against an average of 225 among the 648 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen12 claims
- Ondansetron Hcl11 claims
- Tramadol Hcl11 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: $338.73
9 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 643 providers of this specialty with any payment received $23,314.63 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.
Isaac Anthony Castillo among 76 orthopaedic foot and ankle surgery physician records in Texas
Isaac Anthony Castillo, MD is one of 76 orthopaedic foot and ankle surgery physician records with a practice address in Texas. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileNo · 86% of these records are
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0004X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Foot and Ankle Surgery Physician providers in Texas
There are 76 orthopaedic foot and ankle surgery physician records in Texas.
All 76 in Texas → Every provider in Galveston → Orthopaedic Foot and Ankle Surgery Physician nationwide →
The 8 orthopaedic foot and ankle surgery physician records with the nearest ZIP codes
- Oscar Castro-Aragon, MDGalveston, TX 775551477757078
- Jie Chen, M.D.Galveston, TX 775551447662630
- Vinod Panchbhavi, MDGalveston, TX 775551215016837
- Taggart Gauvain, MDPearland, TX 775841558612119
- Eugene Stautberg, M.D.Pearland, TX 775841831459031
- Jesus Juarez, MDWebster, TX 775981043576176
- William McGarvey, M.D.Katy, TX 774941679544308
- John Zhao, MDSugar Land, TX 774791063932291
Common questions
What is Isaac Anthony Castillo, MD's NPI number?
Isaac Anthony Castillo, MD's National Provider Identifier (NPI) is 1114547841, issued on Apr 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Isaac Anthony Castillo, MD located?
The NPPES record lists a practice address at 301 University Blvd, Galveston, TX, 77555. Phone: (409) 747-5727. Providers update this record themselves, so call before visiting.
How can I verify Isaac Anthony Castillo, MD's license?
NPPES lists Texas license number W0139, 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 Isaac Anthony Castillo, MD prescribe under Medicare Part D?
In 2024, Isaac Anthony Castillo, MD had 79 Medicare Part D claims for 34 beneficiaries; the average among orthopaedic foot and ankle surgery physician prescribers was 225. 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.