Doctor profile · Federal record

Dr. Patrick Twomey

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Duluth, MN

  • NPI 1972537215
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 E 3Rd St
Duluth, MN 558051951
(218) 786-8364

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 19, 2011
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Minnesota #40433
Medicaid (2)
MN #205539200 · WI #32585200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972537215. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,727
Distinct HCPCS
10
Medicare allowed
$55,722
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 732 403 $36
84165 Protein measurement, serum 237 199 $17
88341 Special stained specimen slides to examine tissue, each additional procedure 178 47 $27
86334 Immunologic analysis technique on serum (immunofixation) 121 106 $17
88342 Special stained specimen slides to examine tissue, initial procedure 73 65 $34
88112 Cell examination of specimen, selective cellular enhancement technique 66 64 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 63 42 $79
88173 Evaluation of fine needle aspirate with interpretation and report 33 24 $68
88304 Pathology examination of tissue using a microscope, moderately low complexity 33 32 $11
84166 Protein measurement, body fluid 31 31 $17

In context: peer comparison

Among 6 peers in Duluth Anatomic Pathology & Clinical Pathology Physician, average services per provider: 93. This provider delivers 19× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Twomey's medical specialty?
Dr. Patrick Twomey practices Anatomic Pathology & Clinical Pathology Physician in Duluth, MN.
Where does Dr. Patrick Twomey practice?
Dr. Patrick Twomey practices at 400 E 3Rd St, Duluth, MN 558051951. Office phone: 2187868364.
What is Dr. Patrick Twomey's NPI?
Dr. Patrick Twomey's National Provider Identifier (NPI) is 1972537215, issued by NPPES.
Does Dr. Patrick Twomey accept Medicare assignment?
Yes. Dr. Patrick Twomey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Twomey commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Protein measurement, serum (HCPCS 84165); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.