DR. WILLIAM GIESEN, M.D.

Internal Medicine

Active Individual
NPI: 1124104724

Practice Address

1500 POST RD.
Darien, CT 06820

Phone: (203) 655-2516

Specialties

Specialty Code Primary License
Internal Medicine 207R00000X Yes CT023721 (CT)

Frequently Asked Questions

NPI 1124104724 is the National Provider Identifier for DR. WILLIAM GIESEN, M.D., a Internal Medicine provider located in Darien, CT. This NPI was enumerated on October 27, 2006.
DR. WILLIAM GIESEN, M.D. practices at 1500 POST RD., Darien, CT 06820.

Quick Facts

NPI
1124104724
Type
Individual
Enumerated
Oct 27, 2006
Last Updated
May 9, 2016

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