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

Dr. John William O'Brien, MD

Individual provider Physical Medicine & Rehabilitation Physician · NPI 1447288741

Dr. John William O'Brien, MD is a Physical Medicine & Rehabilitation Physician in Wallingford, Connecticut. Licensed in Connecticut. Registered with an NPI since 2006.

Licensed in
CT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Gaylord Farm Rd
Wallingford, CT 06492
Phone: (203) 284-2800
Fax: (203) 679-3598
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 024998 (CT)

Record details

NPI number1447288741
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressGaylord Farm Rd., Po Box 400, Wallingford, CT 06492

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