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

Dr. John F Ryan, DMD

Individual provider General Practice Dentistry · NPI 1730303926

Dr. John F Ryan, DMD is a General Practice Dentistry in Lexington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

114 Waltham St
Lexington, MA 02421-5415
Phone: (781) 862-0350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 17271 (MA)

Record details

NPI number1730303926
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorNo
NPI enumeratedApril 12, 2007
Last updated in NPPESJuly 8, 2007
Mailing address114 Waltham St, Lexington, MA 02421-5415

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