Doctor profile · Federal record

Dr. William Bartek, M.D

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

  • NPI 1598722522
  • Accepts Medicare
  • MIPS 78.2 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5920 W William Cannon Dr, Bldg 1 Ste 150
Austin, TX 787491902
(512) 441-9799
fax (512) 441-9814

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 24, 2016
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Texas #K2642
Medicaid
TX #153723501

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598722522. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,253
Distinct HCPCS
10
Medicare allowed
$185,117
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 325 227 $126
94726 Test to determine lung volumes using sensors 227 186 $54
94375 Test to measure rate of airflow 223 185 $39
94729 Test to examine how well the lungs exchange gases 222 182 $56
99213 Established patient office or other outpatient visit, 20-29 minutes 219 163 $90
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 191 102 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 107 67 $114
99291 Critical care, first 30-74 minutes 106 57 $210
94726 Test to determine lung volumes using sensors 99 94 $12
94729 Test to examine how well the lungs exchange gases 99 94 $9

In context: peer comparison

Among 7 peers in Austin Critical Care Medicine (Internal Medicine) Physician, average services per provider: 87. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45,584
Transactions
81
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 62 $45,169.54
Boehringer Ingelheim Pharmaceuticals, INC. 4 $108.77
AstraZeneca Pharmaceuticals Lp 4 $91.75
Insmed, INC. 2 $34.81
United Therapeutics Corporation 1 $30.23
Vifor Pharma, INC. 1 $26.42
Takeda Pharmaceuticals U.S.A., INC. 1 $25.40
Electromed, INC. 2 $25.01
Ani Pharmaceuticals, INC. 1 $21.56
Bayer Healthcare Pharmaceuticals INC. 1 $19.69
Inspire Medical Systems, INC. 1 $17.59
GlaxoSmithKline, LLC. 1 $13.46

By nature of payment

Education
$37,117
Travel and Lodging
$6,234
Food and Beverage
$2,232

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,009
Patients
355
Total drug cost
$398,950
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 173 45 $178,974
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 148 70 $4,828
Prednisone Generic 126 73 $672
Breo Ellipta (Fluticasone/Vilanterol) Brand 120 29 $57,741
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 84 14 $41,638
Incruse Ellipta (Umeclidinium Bromide) Brand 47 0 $22,214
Montelukast Sodium Generic 46 20 $722
Azithromycin Generic 42 26 $910
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 41 38 $786
Spiriva Respimat (Tiotropium Bromide) Brand 40 13 $31,134

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Bartek's medical specialty?
Dr. William Bartek practices Critical Care Medicine (Internal Medicine) Physician in Austin, TX.
Where does Dr. William Bartek practice?
Dr. William Bartek practices at 5920 W William Cannon Dr, Austin, TX 787491902. Office phone: 5124419799.
What is Dr. William Bartek's NPI?
Dr. William Bartek's National Provider Identifier (NPI) is 1598722522, issued by NPPES.
Does Dr. William Bartek accept Medicare assignment?
Yes. Dr. William Bartek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Bartek commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to determine lung volumes using sensors (HCPCS 94726); Test to measure rate of airflow (HCPCS 94375). Source: CMS Medicare Physician & Other Practitioners file.