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

Dr. Steven Lynn Chapin, PHD

Individual provider Clinical Child & Adolescent Psychologist · NPI 1699841452

Dr. Steven Lynn Chapin, PHD is a Clinical Psychologist in Littleton, Massachusetts. Qualified in 1989, 37 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
37
Licensed in
MA
In the registry since
2006
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

20 Meetinghouse Rd Unit 1
Littleton, MA 01460-1912
Phone: (978) 486-0009
Fax: (978) 486-5412
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 4984 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 4984 (MA)

Record details

NPI number1699841452
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedNovember 24, 2006
Last updated in NPPESOctober 18, 2023
Certification dateOctober 18, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Littleton