Theresa A. Simpson, LCSW
Clinical Social Worker · Portland, ME
Theresa A. Simpson, LCSW is a clinical social worker with a practice address in Portland, Maine, and NPI 1376778449, issued on May 19, 2009. Check the license (Maine LC6842, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa A. Simpson
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LC6842 ME
Self-reported in NPPES; status is on the state search - Practice location
- 84 Marginal Way, Portland, ME 04101
- Phone
- (207) 774-5816
- Enumerated
- May 19, 2009
- Record last updated
- May 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (207) 523-8595
- Medicaid ID
- 432087899 ME
- Medicare enrollment
- Enrolled (PECOS I20050524000850); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 3,673 in Maine → Look up another NPI →
Also registered at 84 Marginal Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cynthia Atkinson, MDInternal Medicine Physician1487753125
- Douglas Barr, MDInternal Medicine Physician1134180359
- Timothy Baum, MDInternal Medicine Physician1922077601
- Michelle Belyea, PNPNurse Practitioner1114996808
Verify Theresa A. Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license LC6842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- The Counseling Center OF Nashua IncSouth Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Theresa A. Simpson among 3,673 clinical social worker records in Maine
Theresa A. Simpson, LCSW is one of 3,673 clinical social worker records with a practice address in Maine. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 37% of them.
- NPI issued2009 · 37% of these records are older, 57% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1998 · median 2008 among the 939 with a school on file
- Record last updated2019 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
All 3,673 in Maine → Every provider in Portland → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Leslie Abrons, LCSWPortland, ME 041011295726180
- Franklin Brooks, PH.D., LCSWPortland, ME 041011437186103
- Mary-Margaret Christie, LCSWPortland, ME 041011750343935
- Thomas Glendon, L.C.S.W.Portland, ME 041011396704979
- Randall Melvin, LCSW BCDPortland, ME 041011669495974
- Claire Oppenheim, LCSWPortland, ME 041011538150438
- Amy Partridge-Barber, LCSWPortland, ME 041011700843703
- Ken Raffel, LCSWPortland, ME 041011952392847
Common questions
What is Theresa A. Simpson, LCSW's NPI number?
Theresa A. Simpson, LCSW's National Provider Identifier (NPI) is 1376778449, issued on May 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Theresa A. Simpson, LCSW located?
The NPPES record lists a practice address at 84 Marginal Way, Portland, ME, 04101. Phone: (207) 774-5816. Providers update this record themselves, so call before visiting.
How can I verify Theresa A. Simpson, LCSW's license?
NPPES lists Maine license number LC6842, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.