Esther S. Underdown, CADC
Clinical Social Worker · Rockland, ME
Esther S. Underdown, CADC is a clinical social worker with a practice address in Rockland, Maine, and NPI 1073825618, issued on Jul 12, 2010. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Esther S. Underdown
- Credential
- CADC
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- Practice location
- 12 Union St, Rockland, ME 04841
- Phone
- (207) 701-4400
- Enumerated
- Jul 12, 2010
- Record last updated
- Sep 23, 2025
- Medicaid ID
- 435943199 ME
- Medicare enrollment
- Enrolled (PECOS I20151228001767); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 3,673 in Maine → Look up another NPI →
Also registered at 12 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Beguin-Fernald, DNP, PMHNP, BSN, RNPsychiatric/Mental Health Nurse Practitioner1235741893
- Brian Breen, CADCAddiction (Substance Use Disorder) Counselor1144642661
- Martha BrownSocial Worker1992941173
- Aimee CampbellRegistered Nurse1477722981
- Tessa CarrollClinical Social Worker1922877414
- Emily Carver, LCSW, LADCClinical Social Worker1801361860
Verify Esther S. Underdown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck 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
- Spurwink Services IncorporatedPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Esther S. Underdown among 3,673 clinical social worker records in Maine
Esther S. Underdown, CADC 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 2010, is newer than 43% of them.
- NPI issued2010 · 43% of these records are older, 51% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated2011 · median 2008 among the 939 with a school on file
- Record last updated2025 · 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).
76 clinical social worker records list a practice address in Rockland
They are 76 of the 297 NPPES records with a practice address in Rockland, and 3,673 clinical social worker records in Maine.
All 3,673 in Maine → Every provider in Rockland → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Christine Cannella, LCSWRockland, ME 048411386732667
- Joan Freiman, MSWRockland, ME 048411518988708
- Lowell Freiman, LCSWRockland, ME 048411336163914
- Patti Isnardi, LCSWRockland, ME 048411306939426
- John Jeffers, LCSWRockland, ME 048411578503835
- Maureen Kehoe, LCSWRockland, ME 048411568424059
- Cheryl LeblondRockland, ME 048411952499261
- Gunnel Leddington, LCSWRockland, ME 048411184718975
Common questions
What is Esther S. Underdown, CADC's NPI number?
Esther S. Underdown, CADC's National Provider Identifier (NPI) is 1073825618, issued on Jul 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Esther S. Underdown, CADC located?
The NPPES record lists a practice address at 12 Union St, Rockland, ME, 04841. Phone: (207) 701-4400. Providers update this record themselves, so call before visiting.
How can I verify Esther S. Underdown, CADC's license?
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.