OrganizationActive
Mark D. Friedman
NPI 1134541493 · Neurology Chiropractor · Swampscott, MA
Provider details
- NPI number
- 1134541493
- Entity type
- Organization
- Primary specialty
- Neurology ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Mark Friedman, Owner/Clinician(781) 581-7300
- License
- AH-11085 (MA)
Specialties & taxonomies
Chiropractic Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
Detailed profile(76/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
70 New Ocean St
Swampscott, MA 01907-1831
Phone: (781) 581-7300
Street-level locationGet directions
Mailing address
70 New Ocean St
Swampscott, MA 01907-1831
Other names (DBA / former)
- Doing business as
- Vinnin Square Chiropractic
Registry dates
- Enumerated
- 2014-01-06
- Last updated
- 2014-01-06
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.