Doctor profile · Federal record

Dr. Louis Hamer, MD

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

  • NPI 1326083288
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5010 Crenshaw, Suite #100
Pasadena, TX 77505
(832) 399-0399
fax (832) 399-0398
Mailing address
5010 Crenshaw RD Suite, Suite #100
Pasadena, TX 77505

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 21, 2022
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Texas #J3113
Medicaid
TX #122033705

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326083288. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,057
Distinct HCPCS
10
Medicare allowed
$140,868
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 624 131 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 119 104 $175
99214 Established patient office or other outpatient visit, 30-39 minutes 114 69 $129
99291 Critical care, first 30-74 minutes 99 31 $218
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 31 23 $81
99204 New patient office or other outpatient visit, 45-59 minutes 16 16 $170
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 15 14 $86
94060 Test to measure expiratory airflow and volume changes before and after medication administration 13 13 $39
94726 Test to determine lung volumes using sensors 13 13 $55
94729 Test to examine how well the lungs exchange gases 13 13 $58

In context: peer comparison

Among 2 peers in Pasadena Pulmonary Disease Physician, average services per provider: 107. This provider delivers 9.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,126
Patients
479
Total drug cost
$342,425
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 272 107 $12,591
Prednisone Generic 158 96 $368
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 122 40 $135,151
Symbicort (Budesonide/Formoterol Fumarate) Brand 98 37 $79,626
Azithromycin Generic 79 57 $425
Cefdinir Generic 67 49 $1,329
Fluticasone Propionate Generic 67 34 $1,999
Breo Ellipta (Fluticasone/Vilanterol) Brand 62 17 $40,945
Combivent Respimat (Ipratropium/Albuterol Sulfate) Brand 41 12 $40,017
Pantoprazole Sodium Generic 38 12 $571

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Hamer's medical specialty?
Dr. Louis Hamer practices Pulmonary Disease Physician in Pasadena, TX.
Where does Dr. Louis Hamer practice?
Dr. Louis Hamer practices at 5010 Crenshaw, Pasadena, TX 77505. Office phone: 8323990399.
What is Dr. Louis Hamer's NPI?
Dr. Louis Hamer's National Provider Identifier (NPI) is 1326083288, issued by NPPES.
Does Dr. Louis Hamer accept Medicare assignment?
Yes. Dr. Louis Hamer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Hamer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.