Doctor profile · Federal record

Dr. Thalia Casimire, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Sleep Medicine (Internal Medicine) Physician · Houston, TX

  • NPI 1467650507
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
13300 Hargrave RD Ste 100
Houston, TX 770704532
(281) 357-0111
fax (281) 255-9639
Additional location
18220 State Highway 249 Ste 1360
Houston, TX 770704347
(281) 737-8300
fax (281) 737-2945
Additional location
619 S Fleishel Ave Ste 100
Tyler, TX 757012004
(903) 606-2830
Show 2 more locations
Additional location
700 Scott and White Dr
College Station, TX 778456441
(979) 207-0100
Additional location
One Mercy Lane, Ste 401
Hot Springs, AR 719136441
(501) 623-5220
fax (501) 623-1546

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
July 22, 2025
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (3)
Texas #Q6813 · Arkansas #E8410 · Arkansas #E-8410
Medicaid (2)
TX #372873501 · AR #204394001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467650507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
418
Distinct HCPCS
10
Medicare allowed
$56,320
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 133 79 $209
99214 Established patient office or other outpatient visit, 30-39 minutes 69 57 $130
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 64 41 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 32 $77
94060 Test to measure expiratory airflow and volume changes before and after medication administration 16 15 $39
94726 Test to determine lung volumes using sensors 16 15 $55
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 16 15 $123
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $92
94729 Test to examine how well the lungs exchange gases 15 14 $57
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 14 14 $85

In context: peer comparison

Among 46 peers in this city , average services per provider: 83. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$290
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABIOMED 2 $276.51
Becton, Dickinson and Company 1 $13.75

By nature of payment

Food and Beverage
$290

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
563
Patients
162
Total drug cost
$295,981
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 136 33 $2,195
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 91 31 $2,827
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 68 22 $98,979
Breo Ellipta (Fluticasone/Vilanterol) Brand 58 15 $42,010
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 47 12 $32,315
Symbicort (Budesonide/Formoterol Fumarate) Brand 45 12 $32,396
Fluticasone Propionate Generic 36 12 $455
Prednisone Generic 31 25 $124
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 16 0 $18,088
Nucala (Mepolizumab) Brand 12 0 $47,119

Frequently asked questions

Auto-generated from federal data
What is Dr. Thalia Casimire's medical specialty?
Dr. Thalia Casimire practices Critical Care Medicine (Internal Medicine) Physician in Houston, TX.
Where does Dr. Thalia Casimire practice?
Dr. Thalia Casimire practices at 13300 Hargrave RD Ste 100, Houston, TX 770704532. Office phone: 2813570111.
What is Dr. Thalia Casimire's NPI?
Dr. Thalia Casimire's National Provider Identifier (NPI) is 1467650507, issued by NPPES.
Does Dr. Thalia Casimire accept Medicare assignment?
Yes. Dr. Thalia Casimire accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thalia Casimire commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.