OrganizationActive
Jeffery S. Clark, D.C., P.A.
NPI 1568640530 · Chiropractor · Portland, ME
Jeffery S. Clark, D.C., P.A. is a Chiropractor organization in Portland, ME (NPI 1568640530).
Provider details
- NPI number
- 1568640530
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Jeffery Clark, Owner(207) 780-0300
- License
- CR1139 (ME)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
47 Portland St
Portland, ME 04101-3188
Phone: (207) 780-0300
Fax: (866) 265-5910
Street-level locationGet directions
Mailing address
47 Portland St
Portland, ME 04101-3188
Other names (DBA / former)
- Doing business as
- Clark Chiropractic
Registry dates
- Enumerated
- 2008-02-01
- Last updated
- 2008-02-01
Frequently asked questions
- What is Jeffery S. Clark, D.C., P.A.'s NPI number?
- Jeffery S. Clark, D.C., P.A.'s National Provider Identifier (NPI) is 1568640530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jeffery S. Clark, D.C., P.A.?
- Jeffery S. Clark, D.C., P.A. is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Jeffery S. Clark, D.C., P.A. located?
- Jeffery S. Clark, D.C., P.A.'s practice location on file with NPPES is 47 Portland St, Portland, ME 04101-3188.
- What is Jeffery S. Clark, D.C., P.A.'s phone number?
- The practice phone number listed in the NPPES registry for Jeffery S. Clark, D.C., P.A. is (207) 780-0300.
- Who is the authorized official for Jeffery S. Clark, D.C., P.A.?
- The authorized official listed on Jeffery S. Clark, D.C., P.A.'s NPPES record is Jeffery Clark, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jeffery S. Clark, D.C., P.A.'s NPI active?
- Yes — Jeffery S. Clark, D.C., P.A.'s NPI (1568640530) is active in the NPPES registry as of the last update on 2008-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.