NPPES file of Aug 9, 2026

Luz Castellanos, MD

Pediatric Endocrinology Physician · Houston, TX

Luz Castellanos, MD is a pediatric endocrinology physician with a practice address in Houston, Texas, and NPI 1699161281, issued on Apr 9, 2015. Check the license (Texas U4164, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699161281
Name
Luz Castellanos
Credential
MD
Primary taxonomy
Pediatric Endocrinology Physician 2080P0205X
License number
U4164 TX
Self-reported in NPPES; status is on the state search
Practice location
1515 Holcombe Blvd, Houston, TX 77030
Phone
(713) 792-6161
Enumerated
Apr 9, 2015
Record last updated
Aug 29, 2023
Medicare enrollment
Enrolled (PECOS I20230905002439); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1515 Holcombe Blvd

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

  1. Ashley Aaroe, MDNeurology Physician1902295793
  2. Linda Abad, PA-CPhysician Assistant1063928240
  3. Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
  4. Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
  5. James Abbruzzese, M.D.Medical Oncology Physician1134233224
  6. Karim Abdeldaem, MDEmergency Medicine Physician1558056200

Verify Luz Castellanos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U4164
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average pediatric endocrinology physician in 2024

12 Medicare Part D claims, against an average of 105 among the 386 providers of this specialty who prescribed in Part D.

  1. Luz Castellanos12
  2. Specialty average105

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: $281.95

3 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 931 providers of this specialty with any payment received $4,382.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Luz Castellanos$281.95
  2. Specialty average$4,382.94

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

Bills Medicare through one group practice

  1. Physicians Referral ServiceHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Luz Castellanos among 146 pediatric endocrinology physician records in Texas

Luz Castellanos, MD is one of 146 pediatric endocrinology physician records with a practice address in Texas. 71% 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 82% of them.

  • NPI issued2015 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2015 · median 2007 among the 50 with a school on file
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Endocrinology Physician providers in Texas

There are 146 pediatric endocrinology physician records in Texas.

The 8 pediatric endocrinology physician records with the nearest ZIP codes

  1. Dennis Bier, MDHouston, TX 770301003905472
  2. Patrick Brosnan, M.D.Houston, TX 770301699719690
  3. Sheila Gunn, MDHouston, TX 770301497835755
  4. Morey Haymond, MDHouston, TX 770301578643839
  5. Rubina Heptulla, M.D.Houston, TX 770301942314836
  6. Kathy Hwu, MDHouston, TX 770301184704447
  7. Rebecca Kirkland, MDHouston, TX 770301043390313
  8. Sarah Lyons, MDHouston, TX 770301689721409

Common questions

What is Luz Castellanos, MD's NPI number?

Luz Castellanos, MD's National Provider Identifier (NPI) is 1699161281, issued on Apr 9, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Luz Castellanos, MD located?

The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.

How can I verify Luz Castellanos, MD's license?

NPPES lists Texas license number U4164, 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 Luz Castellanos, MD prescribe under Medicare Part D?

In 2024, Luz Castellanos, MD had 12 Medicare Part D claims; the average among pediatric endocrinology physician prescribers was 105. 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.