Still River
NPI 1740929603 · Clinical Social Worker · Lewiston, ME
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Still River is a Clinical Social Worker organization in Lewiston, ME (NPI 1740929603).
Provider details
- NPI number
- 1740929603
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Nathan Miller, Sole Proprietor(207) 689-5362
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Community/Behavioral Health Agency251S00000X
Agencies
Ambulatory Health Care Facilities
- Adult Mental Health Clinic/Center261QM0850X
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
- Counselor101Y00000X
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
4 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)
- 331 Pine StLewiston, ME 04240-6308Phone: (207) 689-5362
- 158 Nezinscot DrTurner, ME 04282-4336Phone: (207) 689-5362
Registry dates
- Enumerated
- 2022-05-31
- Last updated
- 2023-12-11
- Certified
- 2023-12-11
Frequently asked questions
- What is Still River's NPI number?
- Still River's National Provider Identifier (NPI) is 1740929603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Still River?
- Still River is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Still River located?
- Still River's practice location on file with NPPES is 95 Park St Ste 201, Lewiston, ME 04240-7282.
- What is Still River's phone number?
- The practice phone number listed in the NPPES registry for Still River is (207) 689-5362.
- Does Still River accept Medicare?
- Still River is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Still River?
- The authorized official listed on Still River's NPPES record is Nathan Miller, Sole Proprietor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Still River's NPI active?
- Yes — Still River's NPI (1740929603) is active in the NPPES registry as of the last update on 2023-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.