Greta E. Macmillan, LCSW
Clinical Social Worker · Madison, CT
Greta E. Macmillan, LCSW is a clinical social worker with a practice address in Madison, Connecticut, and NPI 1003126491, issued on Oct 19, 2010. Check the license (Connecticut 005959, 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
- Greta E. Macmillan
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 005959 CT
Self-reported in NPPES; status is on the state search - Practice location
- 149 Durham RD, Madison, CT 06443
- Phone
- (860) 966-9813
- Enumerated
- Oct 19, 2010
- Record last updated
- Mar 22, 2024
- Fax
- (203) 902-0191
- Medicaid ID
- 209589 CT
- Medicare enrollment
- Enrolled (PECOS I20110121000585); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 149 Durham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Claudette Hauck, LCSWClinical Social Worker1124120357
- Laura Kasprow, LCSWClinical Social Worker1538267596
- Sarah TreppClinical Social Worker1790271815
Verify Greta E. Macmillan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 005959Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Greta E. Macmillan among 7,729 clinical social worker records in Connecticut
Greta E. Macmillan, LCSW is one of 7,729 clinical social worker records with a practice address in Connecticut. 15% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2010, is newer than 32% of them.
- NPI issued2010 · 32% of these records are older, 65% newer
- In a Medicare fileNo · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2001 · median 2009 among the 1,784 with a school on file
- Record last updated2024 · 59% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 clinical social worker records list a practice address in Madison
They are 52 of the 371 NPPES records with a practice address in Madison, and 7,729 clinical social worker records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,729 in Connecticut → Every provider in Madison → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Scott Cochran, LCSWMadison, CT 064431194918037
- Monica Cretella, LCSWMadison, CT 064431174768105
- Kim Gordon, M.S.W.Madison, CT 064431285751677
- Irma Grebel, LCSWMadison, CT 064431063577740
- Claudette Hauck, LCSWMadison, CT 064431124120357
- Susan Isaac, LCSWMadison, CT 064431013182518
- Laura Kasprow, LCSWMadison, CT 064431538267596
- Mary KeenanMadison, CT 064431356408447
Common questions
What is Greta E. Macmillan, LCSW's NPI number?
Greta E. Macmillan, LCSW's National Provider Identifier (NPI) is 1003126491, issued on Oct 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Greta E. Macmillan, LCSW located?
The NPPES record lists a practice address at 149 Durham RD, Madison, CT, 06443. Phone: (860) 966-9813. Providers update this record themselves, so call before visiting.
How can I verify Greta E. Macmillan, LCSW's license?
NPPES lists Connecticut license number 005959, 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.