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

Dr. William Douglas Farmer, MD

Individual provider Internal Medicine Physician · NPI 1689660771

Dr. William Douglas Farmer, MD is a Family Practice in Hamden, Connecticut. Graduated from Loma Linda University School of Medicine in 1996, 30 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
30
Trained at
Loma Linda University School of Medicine
Licensed in
CT
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2447 Whitney Ave Ste 2A
Hamden, CT 06518-3211
Phone: (203) 230-5888
Fax: (203) 230-5889
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 038805 (CT)

Record details

NPI number1689660771
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 23, 2005
Last updated in NPPESOctober 2, 2013
Mailing address2447 Whitney Ave, Suite 2a, Hamden, CT 06518-3211

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Also practisesINTERNAL MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Hamden