Doctor profile · Federal record

Dr. Gregory Ausmus, MD

Dermatopathology (Pathology) Physician (CMS: Pathology) · Dermatopathology (Pathology) Physician · Duluth, MN

  • NPI 1437202496
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
407 E 3Rd St
Duluth, MN 55805
(218) 786-4000
Mailing address
1702 University Dr S
Fargo, ND 581034940

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
June 20, 2018
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207ZD0900X — NUCC code
State licenses (2)
Minnesota #49918 · North Dakota #12450
Medicaid
ND #17803

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437202496. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,938
Distinct HCPCS
8
Medicare allowed
$65,936
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,355 840 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 167 55 $27
88312 Special stained specimen slides to identify organisms including interpretation and report 109 76 $25
88342 Special stained specimen slides to examine tissue, initial procedure 102 88 $34
88350 Antibody evaluation, each additional single antibody stain procedure 92 23 $28
88304 Pathology examination of tissue using a microscope, moderately low complexity 59 49 $11
88307 Pathology examination of tissue using a microscope, moderately high complexity 31 21 $79
88346 Antibody evaluation, initial single antibody stain procedure 23 23 $34

In context: peer comparison

Among 1 peers in Duluth Dermatopathology (Pathology) Physician, average services per provider: 242. This provider delivers 8.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Ausmus's medical specialty?
Dr. Gregory Ausmus practices Dermatopathology (Pathology) Physician in Duluth, MN.
Where does Dr. Gregory Ausmus practice?
Dr. Gregory Ausmus practices at 407 E 3Rd St, Duluth, MN 55805. Office phone: 2187864000.
What is Dr. Gregory Ausmus's NPI?
Dr. Gregory Ausmus's National Provider Identifier (NPI) is 1437202496, issued by NPPES.
Does Dr. Gregory Ausmus accept Medicare assignment?
Yes. Dr. Gregory Ausmus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Ausmus commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to identify organisms including interpretation and report (HCPCS 88312). Source: CMS Medicare Physician & Other Practitioners file.