David Harlan, LCSW
NPI 1780776179 · Clinical Social Worker · Ellsworth, ME
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Harlan, LCSW is a Clinical Social Worker provider in Ellsworth, ME (NPI 1780776179).
Provider details
- NPI number
- 1780776179
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- LC769 (ME)
Specialties & taxonomies
Behavioral Health & Social Service 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
2 documented practice locations
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
Additional practice locations (1)
- Acadia Hospital Corp268 Stillwater AvenueBangor, ME 04402Phone: (207) 973-6100Fax: (207) 973-6109
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2021-02-02
- Certified
- 2021-02-02
Frequently asked questions
- What is David Harlan's NPI number?
- David Harlan's National Provider Identifier (NPI) is 1780776179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Harlan's specialty?
- David Harlan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is David Harlan located?
- David Harlan's practice location on file with NPPES is 710 Bucksport Rd, Ellsworth, ME 04605.
- What is David Harlan's phone number?
- The practice phone number listed in the NPPES registry for David Harlan is (207) 667-6890.
- Does David Harlan accept Medicare?
- David Harlan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Harlan's NPI active?
- Yes — David Harlan's NPI (1780776179) is active in the NPPES registry as of the last update on 2021-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.