Mary-Ellen Ostherr, MA LADC CCS
NPI 1407936669 · Addiction (Substance Use Disorder) Counselor · Rockland, ME
Mary-Ellen Ostherr, MA LADC CCS is a Addiction (Substance Use Disorder) Counselor provider in Rockland, ME (NPI 1407936669).
Provider details
- NPI number
- 1407936669
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MA LADC CCS
- Sex
- Female
- Sole proprietor
- No
- License
- LC3421 (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
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
- 2006-10-16
- Last updated
- 2008-06-11
Frequently asked questions
- What is Mary-Ellen Ostherr's NPI number?
- Mary-Ellen Ostherr's National Provider Identifier (NPI) is 1407936669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary-Ellen Ostherr's specialty?
- Mary-Ellen Ostherr is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mary-Ellen Ostherr located?
- Mary-Ellen Ostherr's practice location on file with NPPES is 17 Masonic Street, Rockland, ME 04841.
- What is Mary-Ellen Ostherr's phone number?
- The practice phone number listed in the NPPES registry for Mary-Ellen Ostherr is (207) 841-6775.
- Is Mary-Ellen Ostherr's NPI active?
- Yes — Mary-Ellen Ostherr's NPI (1407936669) is active in the NPPES registry as of the last update on 2008-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.