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

Mark S. Klein, MD, PA

Organization Neurological Surgery Physician · NPI 1629306378

Mark S. Klein, MD, PA is a Neurological Surgery Physician in Clinton, Massachusetts. Registered with an NPI since 2009.

In the registry since
2009
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

7501 Surratts Rd Ste 204
Clinton, MA 20735
Phone: (301) 856-2556
Fax: (301) 856-8956
Show map & directions

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

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X

Record details

NPI number1629306378
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Klein — President · (301) 856-2556
NPI enumeratedNovember 18, 2009
Last updated in NPPESNovember 18, 2009
Mailing address7501 Surratts Rd., Suite 204, Clinton, MA 20735