Doctor profile · Federal record

Dr. Willem Bok, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Austin, TX

  • NPI 1942447883
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3705 Medical Pkwy Ste 570, Capitol Anesthesiology Association
Austin, TX 787051024
(512) 583-2718
Additional location
7 Independence PT Ste 300
Greenville, SC 296154569
(864) 522-3700
fax (864) 522-3705

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
April 9, 2024
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Texas #P1968 · South Carolina #52170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942447883. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
269
Distinct HCPCS
10
Medicare allowed
$23,244
HCPCS Description Services Patients Avg allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 36 35 $54
00811 Anesthesia for other procedure on large bowel using an endoscope 34 34 $66
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 33 33 $74
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 22 22 $66
00813 Anesthesia for procedure on small and large bowel using an endoscope 18 18 $84
00520 Anesthesia for other closed procedure on chest 17 16 $115
00142 Anesthesia for lens surgery 16 15 $56
01402 Anesthesia for procedure for total knee joint replacement 16 16 $154
00790 Anesthesia for other procedure on upper abdomen 15 15 $166
00840 Anesthesia for other procedure on lower abdomen 14 14 $123

In context: peer comparison

Among 69 peers in Austin Anesthesiology Physician, average services per provider: 44. This provider delivers 6.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Willem Bok's medical specialty?
Dr. Willem Bok practices Anesthesiology Physician in Austin, TX.
Where does Dr. Willem Bok practice?
Dr. Willem Bok practices at 3705 Medical Pkwy Ste 570, Austin, TX 787051024. Office phone: 5125832718.
What is Dr. Willem Bok's NPI?
Dr. Willem Bok's National Provider Identifier (NPI) is 1942447883, issued by NPPES.
Does Dr. Willem Bok accept Medicare assignment?
Yes. Dr. Willem Bok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Willem Bok commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.