Registry data as of Aug 27, 2026

Cesar De Las Casas, M.D.

Hematology (Internal Medicine) Physician · Houston, TX

Cesar De Las Casas, M.D. is a hematology (internal medicine) physician with a practice address in Houston, Texas, and NPI 1184711798, issued on Oct 6, 2006. Check the license (Texas L6857, 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
1184711798
Name
Cesar De Las Casas
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License numbers
L6857 TX
ME123692 FL
Self-reported in NPPES; status is on the state search
Practice location
925 Gessner RD Ste 600, Houston, TX 77024
Phone
(713) 827-9525
Enumerated
Oct 6, 2006
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 925 Gessner RD Ste 600

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

  1. Ricardo Alvarez, MDMedical Oncology Physician1649441601
  2. Luis Campos, M. D.Hematology & Oncology Physician1578524765
  3. Linh LuongFamily Nurse Practitioner1053921171
  4. Nicky Nguyen, PA-CPhysician Assistant1861195547
  5. Yen Nguyen, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1023694189
  6. Jigna Patel, PHARMDPharmacist1881922714

Verify Cesar De Las Casas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L6857
    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.

57% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024

294 Medicare Part D claims for 68 beneficiaries, against an average of 684 among the 1,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 30 claims were for opioids.

  1. Cesar De Las Casas294
  2. Specialty average684

Most prescribed

  1. Anastrozole41 claims
  2. Prochlorperazine Maleate26 claims
  3. Eliquis18 claims
  4. Hydroxyurea18 claims
  5. Hydrocodone-Acetaminophen15 claims
  6. Ondansetron Odt15 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: $977.07

43 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 778 providers of this specialty with any payment received $13,696.27 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cesar De Las Casas$977.07
  2. Specialty average$13,696.27

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

One hospital or facility affiliation

  1. Halifax Healthcare Systems IncPort Orange, FL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Hematology (Internal Medicine) Physician providers in Texas

There are 68 hematology (internal medicine) physician records in Texas.

Other hematology (internal medicine) physician records in Texas

  1. Mohammad Abdulla, MDHouston, TX1912884222
  2. Aimaz Afrough, M.D.Dallas, TX1477964518
  3. Yosra Aljawai, M.D.Houston, TX1508355256
  4. Nitya Alluri, MDAustin, TX1073712709
  5. Effrosyni Apostolidou, MD, PHDHouston, TX1386872687
  6. Caroline Arber Barth, M.D.Houston, TX1750750899
  7. Kelty Baker, MDHouston, TX1710090857
  8. Robert Bast, MDHouston, TX1013901008
  9. Alex Bataller Torralba, MD, PHDHouston, TX1003536889
  10. Alexandre Bazinet, MDHouston, TX1669045514

Common questions

What is Cesar De Las Casas, M.D.'s NPI number?

Cesar De Las Casas, M.D.'s National Provider Identifier (NPI) is 1184711798, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cesar De Las Casas, M.D. located?

The NPPES record lists a practice address at 925 Gessner RD Ste 600, Houston, TX, 77024. Phone: (713) 827-9525. Providers update this record themselves, so call before visiting.

How can I verify Cesar De Las Casas, M.D.'s license?

NPPES lists Texas license number L6857, 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 Cesar De Las Casas, M.D. prescribe under Medicare Part D?

In 2024, Cesar De Las Casas, M.D. had 294 Medicare Part D claims for 68 beneficiaries; the average among hematology (internal medicine) physician prescribers was 684. 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.