Nathaniel Clark, LCPC-C
NPI 1891155792 · Professional Counselor · Portland, ME
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Clark, LCPC-C is a Professional Counselor provider in Portland, ME (NPI 1891155792).
Provider details
- NPI number
- 1891155792
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC-C
- Sex
- Male
- Sole proprietor
- No
- License
- CC5420 (ME)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 155 Center StBuilding FAuburn, ME 04210-5229Phone: (207) 777-5888Fax: (207) 777-5802
- 1155 Lisbon StLewiston, ME 04240-5025Phone: (207) 783-9141Fax: (207) 376-3808
Registry dates
- Enumerated
- 2016-03-04
- Last updated
- 2024-01-09
- Certified
- 2024-01-09
Frequently asked questions
- What is Nathaniel Clark's NPI number?
- Nathaniel Clark's National Provider Identifier (NPI) is 1891155792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Clark's specialty?
- Nathaniel Clark is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Nathaniel Clark located?
- Nathaniel Clark's practice location on file with NPPES is 11 Baxter Blvd, Portland, ME 04101-1801.
- What is Nathaniel Clark's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Clark is (207) 774-8700.
- Does Nathaniel Clark accept Medicare?
- Nathaniel Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Clark's NPI active?
- Yes — Nathaniel Clark's NPI (1891155792) is active in the NPPES registry as of the last update on 2024-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.