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

Mark J Sontag MD

Organization Pain Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1639239528

Mark J Sontag MD is a Pain Medicine (Physical Medicine & Rehabilitation) Physician in Redwood City, California. Registered with an NPI since 2006.

In the registry since
2006

Practice location Address checks out

363 Main Street C
Redwood City, CA 94063
Phone: (650) 306-9490
Fax: (650) 306-0250
Show map & directions

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

Specialties & licences

Pain Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081P2900X

Record details

NPI number1639239528
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Sontag — Owner · (650) 306-9490
NPI enumeratedDecember 11, 2006
Last updated in NPPESFebruary 1, 2008
Mailing address363 Main St, C, Redwood City, CA 94063-1729

Other providers in Redwood City