Mark D. Friedman
NPI 1134541493 · Neurology Chiropractor · Swampscott, MA
Mark D. Friedman is a Neurology Chiropractor organization in Swampscott, MA (NPI 1134541493).
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
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
Mailing address
Other names (DBA / former)
- Doing business as
- Vinnin Square Chiropractic
Registry dates
- Enumerated
- 2014-01-06
- Last updated
- 2014-01-06
Frequently asked questions
- What is Mark D. Friedman's NPI number?
- Mark D. Friedman's National Provider Identifier (NPI) is 1134541493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark D. Friedman?
- Mark D. Friedman is classified in the NPPES registry as Neurology Chiropractor (Chiropractic Providers).
- Where is Mark D. Friedman located?
- Mark D. Friedman's practice location on file with NPPES is 70 New Ocean St, Swampscott, MA 01907-1831.
- What is Mark D. Friedman's phone number?
- The practice phone number listed in the NPPES registry for Mark D. Friedman is (781) 581-7300.
- Who is the authorized official for Mark D. Friedman?
- The authorized official listed on Mark D. Friedman's NPPES record is Mark Friedman, Owner/Clinician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark D. Friedman's NPI active?
- Yes — Mark D. Friedman's NPI (1134541493) is active in the NPPES registry as of the last update on 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.