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

Dr Stephen L. Simpson, MD, PC

Organization Specialist · NPI 1952579674

Dr Stephen L. Simpson, MD, PC is a Specialist in Ayer, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2008.

Licensed in
MA
In the registry since
2008
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

198 Groton Rd Ste 1
Ayer, MA 01432-1177
Phone: (978) 862-0025
Fax: (978) 862-0049
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 205051 (MA)

Record details

NPI number1952579674
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sara Flannery — Office Manager · (978) 862-0025
NPI enumeratedFebruary 15, 2008
Last updated in NPPESDecember 18, 2008
Mailing addressPo Box 6300, Providence, RI 02940-6300

Other providers in Ayer