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Brendan Riordan, D.C.
NPI 1003158734 · Chiropractor · Norwell, MA
Brendan Riordan, D.C. is a Chiropractor provider in Norwell, MA (NPI 1003158734).
Provider details
- NPI number
- 1003158734
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- No
- License
- 3400 (MA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
339 Washington St
Norwell, MA 02061-1903
Phone: (781) 659-2104
Street-level locationGet directions
Mailing address
339 Washington Street
Norwell, MA 02061
Registry dates
- Enumerated
- 2013-03-20
- Last updated
- 2013-03-20
Frequently asked questions
- What is Brendan Riordan's NPI number?
- Brendan Riordan's National Provider Identifier (NPI) is 1003158734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Riordan's specialty?
- Brendan Riordan is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Brendan Riordan located?
- Brendan Riordan's practice location on file with NPPES is 339 Washington St, Norwell, MA 02061-1903.
- What is Brendan Riordan's phone number?
- The practice phone number listed in the NPPES registry for Brendan Riordan is (781) 659-2104.
- Is Brendan Riordan's NPI active?
- Yes — Brendan Riordan's NPI (1003158734) is active in the NPPES registry as of the last update on 2013-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.