DR. WILLIAM RIESEN, MD

Internal Medicine

Active Individual
NPI: 1548377997

Practice Address

1010 4TH ST SW STE 305
Mason City, IA 50401

Phone: (641) 428-5700

Specialties

Specialty Code Primary License
Internal Medicine 207R00000X Yes 31260 (IA)

Frequently Asked Questions

NPI 1548377997 is the National Provider Identifier for DR. WILLIAM RIESEN, MD, a Internal Medicine provider located in Mason City, IA. This NPI was enumerated on August 23, 2006.
DR. WILLIAM RIESEN, MD practices at 1010 4TH ST SW STE 305, Mason City, IA 50401.

Quick Facts

NPI
1548377997
Type
Individual
Enumerated
Aug 23, 2006
Last Updated
Jul 14, 2025

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