IndividualActive
Martha Oster, LCSW
NPI 1538176185 · Clinical Social Worker · Ellsworth, ME
Martha Oster, LCSW is a Clinical Social Worker provider in Ellsworth, ME (NPI 1538176185).
Provider details
- NPI number
- 1538176185
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LC7663 (ME)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
210 Main St
Suite 1
Ellsworth, ME 04605-1949
Phone: (207) 326-0936
Street-level locationGet directions
Mailing address
Rr 1 Box 43
Penobscot, ME 04476-9704
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2012-09-24
Frequently asked questions
- What is Martha Oster's NPI number?
- Martha Oster's National Provider Identifier (NPI) is 1538176185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Oster's specialty?
- Martha Oster is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Martha Oster located?
- Martha Oster's practice location on file with NPPES is 210 Main St, Ellsworth, ME 04605-1949.
- What is Martha Oster's phone number?
- The practice phone number listed in the NPPES registry for Martha Oster is (207) 326-0936.
- Is Martha Oster's NPI active?
- Yes — Martha Oster's NPI (1538176185) is active in the NPPES registry as of the last update on 2012-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.