Doctor profile · Federal record

Dr. Michael Colgan, MD

Mohs-Micrographic Surgery Physician (CMS: Dermatology) · Dermatology Physician · Dermatology Physician · Dermatology Physician · Internal Medicine Physician · Eau Claire, WI

  • NPI 1447428321
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1221 Whipple St
Eau Claire, WI 54703
(715) 838-5222
Additional location
700 West Ave S
La Crosse, WI 546014783
(608) 392-6719
Mailing address
Po Box 1510
Eau Claire, WI 547021510

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
October 6, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207ND0101X — NUCC code
State licenses (4)
Wisconsin #57581 · Minnesota #51083 · Minnesota #103829 · Colorado #2578

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447428321. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,766
Distinct HCPCS
10
Medicare allowed
$282,916
HCPCS Description Services Patients Avg allowed
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 449 375 $290
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 141 100 $179
17003 Destruction of precancer skin growth, 2-14 growths 135 39 $2
17000 Destruction of precancer skin growth, 1 growth 95 77 $43
12052 Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 92 92 $98
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 90 86 $117
11102 Biopsy of related skin growth, first growth 84 69 $25
12053 Intermediate repair of wound of face, ears, eyelids, nose, lips, or mouth, 5.1-7.5 cm 74 73 $104
99212 Established patient office or other outpatient visit, 10-19 minutes 67 56 $34
17313 Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 65 47 $259

In context: peer comparison

Among 2 peers in Eau Claire Mohs-Micrographic Surgery Physician, average services per provider: 92. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$100
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sun Pharmaceutical Industries INC. 1 $99.99

By nature of payment

Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
70
Total drug cost
$527
Drug Type Claims Patients Total cost
Cephalexin Generic 58 52 $276
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 22 18 $36
Doxycycline Monohydrate Generic 14 0 $215

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Colgan's medical specialty?
Dr. Michael Colgan practices Mohs-Micrographic Surgery Physician in Eau Claire, WI.
Where does Dr. Michael Colgan practice?
Dr. Michael Colgan practices at 1221 Whipple St, Eau Claire, WI 54703. Office phone: 7158385222.
What is Dr. Michael Colgan's NPI?
Dr. Michael Colgan's National Provider Identifier (NPI) is 1447428321, issued by NPPES.
Does Dr. Michael Colgan accept Medicare assignment?
Yes. Dr. Michael Colgan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Colgan commonly perform?
Top Medicare-reported procedures in 2023: Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (HCPCS 17312); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003). Source: CMS Medicare Physician & Other Practitioners file.