HomeNPI Verification

NPI Verification

National Provider Identifier: 1366542227

Douglas P Duffy, MD

Individual Provider

Credentials

Primary Specialty

Internal Medicine, Nephrology

Code: 207RN0300X

All Specialties (3)

Internal Medicine

Code: 207R00000X

Internal Medicine, Nephrology

Code: 207RN0300X

Internal Medicine, Nephrology

Code: 207RN0300X

Primary

Practice Address

1000 N OAK AVE

MARSHFIELD, WI 54449

Phone: 715-387-5345

NPI Enumeration Date

September 22, 2006

NPI Number

1366542227

Data sourced from the official CMS NPPES Registry. This information is provided by the Centers for Medicare & Medicaid Services and is updated regularly.

View on CMS NPPES Registry