Doctor profile · Federal record

Dr. Robert Groshek, MD

Anesthesiology Physician (CMS: Anesthesiology) · La Crosse, WI

  • NPI 1003811688
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1836 South Ave
La Crosse, WI 546015429
(608) 782-7300

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
July 30, 2015
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Wisconsin #36682
Medicaid
WI #32138800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003811688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
3
Medicare allowed
$4,520
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 54 54 $51
00400 Anesthesia for other procedure on skin of arms, legs, and front body 15 14 $60
00910 Anesthesia for other procedure on urinary system through urethra 13 13 $66

In context: peer comparison

Among 19 peers in La Crosse Anesthesiology Physician, average services per provider: 26. This provider delivers 3.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Groshek's medical specialty?
Dr. Robert Groshek practices Anesthesiology Physician in La Crosse, WI.
Where does Dr. Robert Groshek practice?
Dr. Robert Groshek practices at 1836 South Ave, La Crosse, WI 546015429. Office phone: 6087827300.
What is Dr. Robert Groshek's NPI?
Dr. Robert Groshek's National Provider Identifier (NPI) is 1003811688, issued by NPPES.
Does Dr. Robert Groshek accept Medicare assignment?
Yes. Dr. Robert Groshek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Groshek commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on skin of arms, legs, and front body (HCPCS 00400); Anesthesia for other procedure on urinary system through urethra (HCPCS 00910). Source: CMS Medicare Physician & Other Practitioners file.