Mary Elizabeth Karlan, LCSW
Social Worker · Old Greenwich, CT
Mary Elizabeth Karlan, LCSW is a social worker with a practice address in Old Greenwich, Connecticut, and NPI 1871976431, issued on Jul 1, 2015. Check the license (Connecticut 001369, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Elizabeth Karlan
- Credential
- LCSW
- Primary taxonomy
- Social Worker 104100000X
- License numbers
- 001369 CT
088338-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 177 Sound Beach Ave Ste 6, Old Greenwich, CT 06870
- Phone
- (203) 493-0937
- Enumerated
- Jul 1, 2015
- Record last updated
- Oct 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211005000151); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Mary Elizabeth Karlan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6 social worker records list a practice address in Old Greenwich
They are 6 of the 161 NPPES records with a practice address in Old Greenwich, and 2,124 social worker records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6 in Old Greenwich → All 2,124 in Connecticut → Every provider in Old Greenwich →
Other social worker records in Connecticut
- Cassandra AamodtNew Britain, CT1801355219
- Matthew Abbott, LCSWWest Haven, CT1790734986
- Kimberly Abram, LCSWBozrah, CT1407005341
- Tamara Acosta, BSWPlainville, CT1629239421
- Alison Adams, LMSWMansfield Center, CT1033992797
- Sara AdamsonWethersfield, CT1871425256
- Breana AdelmanNorwalk, CT1154199651
- Samuel AdelmanNew Haven, CT1376808865
- Diane Adelson, LCSWColchester, CT1750347621
- Canei AdgerPlainville, CT1184355430
Common questions
What is Mary Elizabeth Karlan, LCSW's NPI number?
Mary Elizabeth Karlan, LCSW's National Provider Identifier (NPI) is 1871976431, issued on Jul 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Karlan, LCSW located?
The NPPES record lists a practice address at 177 Sound Beach Ave Ste 6, Old Greenwich, CT, 06870. Phone: (203) 493-0937. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Karlan, LCSW's license?
NPPES lists Connecticut license number 001369, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.