Doctor profile · Federal record

Dr. Mainor Antillon-Galdamez, M.D.

Gastroenterology Physician · Gastroenterology Physician · Eau Claire, WI

  • NPI 1215962873
  • 20 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1400 Bellinger St
Eau Claire, WI 54703
(715) 838-5222
Additional location
4100 Lake Dr Se, Suite 205
Grand Rapids, MI 49546
(616) 267-7414
fax (616) 267-7137
Mailing address
Po Box 1510
Eau Claire, WI 547021510

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 3, 2023
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Wisconsin #67158 · Michigan #4301106568

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215962873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
72
Distinct HCPCS
5
Medicare allowed
$11,740
HCPCS Description Services Patients Avg allowed
45378 Diagnostic exam of large bowel using a flexible endoscope 16 16 $181
45380 Biopsy of large bowel using a flexible endoscope 15 15 $183
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 14 14 $94
99213 Established patient office or other outpatient visit, 20-29 minutes 14 11 $98
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 13 13 $262

In context: peer comparison

Among 10 peers in this city , average services per provider: 44. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mainor Antillon-Galdamez's medical specialty?
Dr. Mainor Antillon-Galdamez practices Gastroenterology Physician in Eau Claire, WI.
Where does Dr. Mainor Antillon-Galdamez practice?
Dr. Mainor Antillon-Galdamez practices at 1400 Bellinger St, Eau Claire, WI 54703. Office phone: 7158385222.
What is Dr. Mainor Antillon-Galdamez's NPI?
Dr. Mainor Antillon-Galdamez's National Provider Identifier (NPI) is 1215962873, issued by NPPES.
What procedures does Dr. Mainor Antillon-Galdamez commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of large bowel using a flexible endoscope (HCPCS 45378); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.