Doctor profile · Federal record

Dr. Matthew Twohig, MD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Rockford, IL

  • NPI 1609839851
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1401 E State St
Rockford, IL 611042315
(815) 971-5000

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 19, 2019
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Illinois #036.120439 · Wisconsin #48462

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609839851. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,125
Distinct HCPCS
10
Medicare allowed
$37,794
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 354 287 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 220 70 $27
88342 Special stained specimen slides to examine tissue, initial procedure 164 145 $33
88311 Preparation of tissue for examination by removing any calcium present 87 86 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 65 51 $79
88304 Pathology examination of tissue using a microscope, moderately low complexity 59 55 $11
88312 Special stained specimen slides to identify organisms including interpretation and report 32 31 $26
88112 Cell examination of specimen, selective cellular enhancement technique 30 26 $27
88173 Evaluation of fine needle aspirate with interpretation and report 24 18 $67
88300 Pathology examination of tissue using a microscope, limited examination 23 22 $4

In context: peer comparison

Among 3 peers in Rockford Anatomic Pathology & Clinical Pathology Physician, average services per provider: 98. This provider delivers 11× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Twohig's medical specialty?
Dr. Matthew Twohig practices Anatomic Pathology & Clinical Pathology Physician in Rockford, IL.
Where does Dr. Matthew Twohig practice?
Dr. Matthew Twohig practices at 1401 E State St, Rockford, IL 611042315. Office phone: 8159715000.
What is Dr. Matthew Twohig's NPI?
Dr. Matthew Twohig's National Provider Identifier (NPI) is 1609839851, issued by NPPES.
Does Dr. Matthew Twohig accept Medicare assignment?
Yes. Dr. Matthew Twohig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Twohig 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 examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.