Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Matthew H Twohig, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1609839851

Matthew H Twohig, MD is a Pathology in Rockford, Illinois. Graduated from University of Wisconsin School of Medicine in 2003, 23 years ago. Practices with Rockford Associated Pathologists Ltd, a 5-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
23
Trained at
University of Wisconsin School of Medicine
Licensed in
IL, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1401 E State St
Rockford, IL 61104-2315
Phone: (815) 971-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 036.120439 (IL)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence 48462 (WI)

Record details

NPI number1609839851
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 10, 2006
Last updated in NPPESJuly 19, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Rockford Associated Pathologists Ltd — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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