NPPES file of Aug 9, 2026

Thalia N. Casimire, MD

Critical Care Medicine (Internal Medicine) Physician · Houston, TX

Thalia N. Casimire, MD is a critical care medicine (internal medicine) physician with a practice address in Houston, Texas, and NPI 1467650507, issued on Jul 10, 2007. Check the license (Texas Q6813, 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
1467650507
Name
Thalia N. Casimire
Credential
MD
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
Q6813 TX
E-8410 AR
E8410 AR
Self-reported in NPPES; status is on the state search
Practice location
13300 Hargrave RD Ste 100, Houston, TX 77070
Phone
(281) 357-0111
Enumerated
Jul 10, 2007
Record last updated
Jul 22, 2025
Fax
(281) 255-9639
Medicaid IDs
372873501 TX
204394001 AR
Medicare enrollment
Enrolled (PECOS I20170629002048); 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.
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Verify Thalia N. Casimire in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q6813
    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
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93% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

48 Medicare Part D claims for 28 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Thalia Casimire48
  2. Specialty average696

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: $290.26

3 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 2,708 providers of this specialty with any payment received $2,958.68 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thalia Casimire$290.26
  2. Specialty average$2,958.68

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

Bills Medicare through 3 group practices

  1. Christus Trinity ClinicTyler, TX
  2. Houston Methodist Specialty PhysiciansHouston, TX
  3. Tmh Physician Associates PLLCHouston, TX

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

Thalia N. Casimire among 413 critical care medicine (internal medicine) physician records in Texas

Thalia N. Casimire, MD is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 30% of them.

  • NPI issued2007 · 30% of these records are older, 59% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2004 · median 2007 among the 346 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Texas

There are 413 critical care medicine (internal medicine) physician records in Texas.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Mudassar Ahmad, M.D.Houston, TX 770701497192074
  2. Edomias Desta, MDHouston, TX 770701124549266
  3. Orlando Garner Cruz, MDHouston, TX 770701417309105
  4. Mustafa MehmoodHouston, TX 770701538589551
  5. Dana Woods, MDHouston, TX 770701821170200
  6. Cindy Trinh, M.D.Houston, TX 770741184848475
  7. Jazmin Kinsey, AGACNP-BCHouston, TX 770791073489712
  8. Vernon Lawrence, D.O.Houston, TX 770821326312174

Common questions

What is Thalia N. Casimire, MD's NPI number?

Thalia N. Casimire, MD's National Provider Identifier (NPI) is 1467650507, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thalia N. Casimire, MD located?

The NPPES record lists a practice address at 13300 Hargrave RD Ste 100, Houston, TX, 77070. Phone: (281) 357-0111. Providers update this record themselves, so call before visiting.

How can I verify Thalia N. Casimire, MD's license?

NPPES lists Texas license number Q6813, 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 Thalia N. Casimire, MD prescribe under Medicare Part D?

In 2024, Thalia N. Casimire, MD had 48 Medicare Part D claims for 28 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.