MARY-ELLEN OSTHERR MA LADC CCS
NPI 1407936669
Counselor - Addiction (Substance Use Disorder) in Rockland, ME

Q: What is Mary-ellen Ostherr's NPI number?

The NPI number for Mary-ellen Ostherr is 1407936669. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Q: What is Mary-ellen Ostherr's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Active since October 16, 2006

17 MASONIC STREET, ROCKLAND, ME 04841(207) 841-6775(207) 236-8073 Get Directions Write a Review

NPPES record last updated: June 11, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mary-ellen Ostherr Ma Ladc Ccs NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY-ELLEN OSTHERR MA LADC CCS (NPI 1407936669) is an individual addiction (substance use disorder) provider in Rockland, Maine, licensed in Maine (LC3421) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1407936669

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameMARY-ELLEN OSTHERRCredential: MA LADC CCS

Location Address17 MASONIC STREETRockland, ME 04841

Mailing Address310 Hosmer Pond RdCamden, ME 04843-4053 · (207) 841-6775 · Fax (207) 236-8073

Phone(207) 841-6775

Fax(207) 236-8073

Sole ProprietorNo

Enumeration DateOctober 16, 2006

Last NPPES UpdateJune 11, 2008

✔ NPI 1407936669 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in ME · LC3421

17 MASONIC STREET, Rockland, ME 04841

Open in Google Maps ↗

Other Identifiers 1

Medicaid104000000ME

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary-ellen Ostherr's NPI number?

The NPI number for Mary-ellen Ostherr is 1407936669. It was assigned to this individual provider in the NPPES registry on October 16, 2006.

Where is Mary-ellen Ostherr located?

Mary-ellen Ostherr practices at 17 Masonic Street, Rockland, ME 04841. The listed phone number is (207) 841-6775.

What is Mary-ellen Ostherr's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Mary-ellen Ostherr was last updated on June 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.