NPPES file of Aug 9, 2026

Samantha Castillo, MD

Diagnostic Radiology Physician · Houston, TX

Samantha Castillo, MD is a diagnostic radiology physician with a practice address in Houston, Texas, and NPI 1326433095, issued on Mar 31, 2015. Check the license (Texas R4949, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326433095
Name
Samantha Castillo
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
R4949 TX
Self-reported in NPPES; status is on the state search
Practice location
13333 Northwest Fwy Ste 540, Houston, TX 77040
Phone
(713) 461-3573
Enumerated
Mar 31, 2015
Record last updated
Jun 12, 2022
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 13333 Northwest Fwy Ste 540

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

  1. Elizabeth Birkenfeld, M. D.Diagnostic Radiology Physician1508209917
  2. Jeremie Karsenti, D.O.Diagnostic Radiology Physician1831464395
  3. David Kerner, D.O.Diagnostic Radiology Physician1548641301
  4. Jason May, M.D.Diagnostic Radiology Physician1053622373
  5. Alexandra Millet, MDDiagnostic Radiology Physician1538522800
  6. Andrew Tkacik, PAPhysician Assistant1730774241

Verify Samantha Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R4949
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $150.15

8 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Samantha Castillo$150.15
  2. Specialty average$2,488.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Samantha Castillo among 3,124 diagnostic radiology physician records in Texas

Samantha Castillo, MD is one of 3,124 diagnostic radiology 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 2015, is newer than 83% of them.

  • NPI issued2015 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

823 diagnostic radiology physician records list a practice address in Houston

They are 823 of the 61,221 NPPES records with a practice address in Houston, and 3,124 diagnostic radiology physician records in Texas.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Jaideep Barge, MDHouston, TX 770401013197805
  2. Elizabeth Birkenfeld, M. D.Houston, TX 770401508209917
  3. Jeremie Karsenti, D.O.Houston, TX 770401831464395
  4. David Kerner, D.O.Houston, TX 770401548641301
  5. Stanley Lim, M.D.Houston, TX 770401134161227
  6. Jason May, M.D.Houston, TX 770401053622373
  7. Snehal Mehta, M.D.Houston, TX 770401699784272
  8. James Murphy, M.D.Houston, TX 770401215932934

Common questions

What is Samantha Castillo, MD's NPI number?

Samantha Castillo, MD's National Provider Identifier (NPI) is 1326433095, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Samantha Castillo, MD located?

The NPPES record lists a practice address at 13333 Northwest Fwy Ste 540, Houston, TX, 77040. Phone: (713) 461-3573. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number R4949, 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.

What is Samantha Castillo, MD's MIPS final score?

The 2023 MIPS final score is 83.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.