Mary Elizabeth Karlan
NPI 1063863868 · Clinical Social Worker · Old Greenwich, CT
Mary Elizabeth Karlan is a Clinical Social Worker organization in Old Greenwich, CT (NPI 1063863868).
Provider details
- NPI number
- 1063863868
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mary Karlan, Principal(203) 570-6047
- License
- 009248 (CT)
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
10 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
Other names (DBA / former)
- Doing business as
- Mk Psychotherapy
Registry dates
- Enumerated
- 2016-06-23
- Last updated
- 2016-10-06
Frequently asked questions
- What is Mary Elizabeth Karlan's NPI number?
- Mary Elizabeth Karlan's National Provider Identifier (NPI) is 1063863868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mary Elizabeth Karlan?
- Mary Elizabeth Karlan is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Elizabeth Karlan located?
- Mary Elizabeth Karlan's practice location on file with NPPES is 7 Keofferam Rd, Old Greenwich, CT 06870-2112.
- What is Mary Elizabeth Karlan's phone number?
- The practice phone number listed in the NPPES registry for Mary Elizabeth Karlan is (858) 255-1369.
- Who is the authorized official for Mary Elizabeth Karlan?
- The authorized official listed on Mary Elizabeth Karlan's NPPES record is Mary Karlan, Principal. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mary Elizabeth Karlan's NPI active?
- Yes — Mary Elizabeth Karlan's NPI (1063863868) is active in the NPPES registry as of the last update on 2016-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.