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

Donald D Timmerman

Individual provider Family Medicine Physician · NPI 1992873996

Donald D Timmerman is a Family Medicine Physician in Middletown, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006

Practice location Partly verified

Some contact details are missing from the federal record.

Connecticut Valley Hospital
Middletown, CT 06457
Phone: (860) 262-5867
Fax: (860) 262-5850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 019517 (CT)

Record details

NPI number1992873996
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 30, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressConnecticut Valley Hospital, Po Box 351 Silver Street, Middletown, CT 06457

Other providers in Middletown