MATTHEW JAMES MERWIN
NPI 1801680517
Internal Medicine in Madison, WI
About Matthew James Merwin NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW JAMES MERWIN (NPI 1801680517) is an individual internal medicine provider in Madison, Wisconsin, licensed in Wisconsin (101677-851) and active in the NPI registry since April 2025. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Matthew James Merwin is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53792 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADISON, WI 53792
MADISON, WI 53792
MADISON, WI 53792
MADISON, WI 53792
MADISON, WI 53792
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Matthew Merwin's NPI number?
The NPI number for Matthew Merwin is 1801680517. It was assigned to this individual provider in the NPPES registry on April 7, 2025.
Where is Matthew Merwin located?
Matthew Merwin practices at Uw Hospitals And Clinics 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-6400.
What is Matthew Merwin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Merwin enrolled in Medicare?
Yes. Matthew Merwin is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Matthew Merwin was last updated on June 30, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.