Michael Ryan, D.C.
NPI 1689739203 · Chiropractor · Lynn, MA
Enrolled with Medicare as Practitioner - Chiropractic · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ryan, D.C. is a Chiropractor provider in Lynn, MA (NPI 1689739203).
Provider details
- NPI number
- 1689739203
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2384 (MA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michael Ryan's NPI number?
- Michael Ryan's National Provider Identifier (NPI) is 1689739203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ryan's specialty?
- Michael Ryan is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Michael Ryan located?
- Michael Ryan's practice location on file with NPPES is 9 Nahant St, Lynn, MA 01902-3221.
- What is Michael Ryan's phone number?
- The practice phone number listed in the NPPES registry for Michael Ryan is (781) 595-6560.
- Does Michael Ryan accept Medicare?
- Michael Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ryan's NPI active?
- Yes — Michael Ryan's NPI (1689739203) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.