Registry data as of Aug 27, 2026

Mario Castillo, MD

Diagnostic Radiology Physician · Big Spring, TX

Mario Castillo, MD is a diagnostic radiology physician with a practice address in Big Spring, Texas, and NPI 1992786321, issued on Nov 11, 2005. Check the license (Texas K9033, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1992786321
Name
Mario Castillo
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
K9033 TX
ME58542 FL
Self-reported in NPPES; status is on the state search
Practice location
1601 W 11TH PL, Big Spring, TX 79720
Phone
(281) 359-7788
Enumerated
Nov 11, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1601 W 11TH PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oluyomi AkindelePsychiatric/Mental Health Nurse Practitioner1053298703
  2. Bryan Anderson, FNPFamily Nurse Practitioner1831661388
  3. Hali Bohr, OTRPhysical Rehabilitation Occupational Therapist1588318448
  4. Penny FernandezPhysical Therapy Assistant1114684354
  5. Kevin Huang, MDSurgery Physician1205014420
  6. Carol Mann, CRNACertified Registered Nurse Anesthetist1619952553

Verify Mario Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K9033
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

81% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

13 Medicare Part D claims, against an average of 68 among the 2,907 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mario Castillo13
  2. Specialty average68

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.

Diagnostic Radiology Physician providers in Texas

There are 2,755 diagnostic radiology physician records in Texas.

Other diagnostic radiology physician records in Texas

  1. Solomon Abay, M.D.Austin, TX1295122885
  2. Ahmed Abdel Aal, MD, PHDHouston, TX1215076344
  3. Abeer Abdelhafez, MDHouston, TX1225791338
  4. Waleed Abdellatif, MBBCH, MSC, MSHPEHouston, TX1629737770
  5. Fouad Abdole, MDHouston, TX1073196317
  6. Davood Abdollahian, M.D.Houston, TX1902199474
  7. Osama Abdul-Rahim, M.D.McKinney, TX1568774065
  8. Creed Abell, M.D.Columbus, TX1619965100
  9. Joshua AbramowitzAustin, TX1689676975
  10. Michael Achilleos, MDFort Worth, TX1396189494

Common questions

What is Mario Castillo, MD's NPI number?

Mario Castillo, MD's National Provider Identifier (NPI) is 1992786321, issued on Nov 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mario Castillo, MD located?

The NPPES record lists a practice address at 1601 W 11TH PL, Big Spring, TX, 79720. Phone: (281) 359-7788. Providers update this record themselves, so call before visiting.

How can I verify Mario Castillo, MD's license?

NPPES lists Texas license number K9033, 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 Mario Castillo, MD prescribe under Medicare Part D?

In 2024, Mario Castillo, MD had 13 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 68. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.