Registry data as of Aug 27, 2026

Kathryn Clark, LCSW

Clinical Social Worker · Portland, ME

Kathryn Clark, LCSW is a clinical social worker with a practice address in Portland, Maine, and NPI 1164168902, issued on May 5, 2022. Check the license (Maine MC20209, as entered in NPPES) with the Maine board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1164168902
Name
Kathryn Clark
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
MC20209 ME
CAC7797 ME
Self-reported in NPPES; status is on the state search
Practice location
535 Ocean Ave Ste 4, Portland, ME 04103
Phone
(207) 370-5389
Enumerated
May 5, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 535 Ocean Ave Ste 4

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Arianna Abbott, LCSWSocial Worker1225686629
  2. Catherine Berce, LMSW-CCClinical Social Worker1285560854
  3. Meghan Bianco, LMSW-CCSocial Worker1336987833
  4. Elizabeth Bieber, LMSW-CCClinical Social Worker1639004120
  5. Maddalena ChiappettaSocial Worker1184400087
  6. Garrett Erb, LCPCCounselor1245016500

Verify Kathryn Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license MC20209
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

669 clinical social worker records list a practice address in Portland

They are 669 of the 6,022 NPPES records with a practice address in Portland, and 3,673 clinical social worker records in Maine. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Maine

  1. Angela Abbott, LMSW-CCSaco, ME1649797390
  2. Marina Abbott, LCSWStetson, ME1205048345
  3. Meagan Abbott, LCSWWaterville, ME1518478155
  4. Betsy Abdullayof, LCSWCumberland, ME1972721306
  5. Karen Abendroth, LCSWSaco, ME1114121738
  6. Kelly Abernethy, LCSWKittery, ME1306179940
  7. Donna Abram-Cioppa, LCSWSaco, ME1720384985
  8. Leslie Abrons, LCSWPortland, ME1295726180
  9. Elsie Absher-Thomas, LMSWWinthrop, ME1568475697
  10. Gwen Ackley, LCSWSwanville, ME1497267256

Common questions

What is Kathryn Clark, LCSW's NPI number?

Kathryn Clark, LCSW's National Provider Identifier (NPI) is 1164168902, issued on May 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Clark, LCSW located?

The NPPES record lists a practice address at 535 Ocean Ave Ste 4, Portland, ME, 04103. Phone: (207) 370-5389. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Clark, LCSW's license?

NPPES lists Maine license number MC20209, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.