Doctor profile · Federal record

Dr. W Sobin, MD

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Milwaukee, WI

  • NPI 1972550929
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-3310
fax (414) 805-3885

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
November 23, 2021
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Wisconsin #34019
Medicaid (2)
WI #1972550929 · WI #31888800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972550929. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
129
Distinct HCPCS
5
Medicare allowed
$16,459
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 57 55 $122
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 22 22 $102
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 18 18 $106
45380 Biopsy of large bowel using a flexible endoscope 18 18 $118
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 14 14 $232

In context: peer comparison

Among 35 peers in Milwaukee Gastroenterology Physician, average services per provider: 2,725. This provider delivers 0.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. W Sobin's medical specialty?
Dr. W Sobin practices Gastroenterology Physician in Milwaukee, WI.
Where does Dr. W Sobin practice?
Dr. W Sobin practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148053310.
What is Dr. W Sobin's NPI?
Dr. W Sobin's National Provider Identifier (NPI) is 1972550929, issued by NPPES.
Does Dr. W Sobin accept Medicare assignment?
Yes. Dr. W Sobin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. W Sobin commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.