Tammy Giannopoulos, LCSW
Clinical Social Worker · Greenfield, WI
Tammy Giannopoulos, LCSW is a clinical social worker with a practice address in Greenfield, Wisconsin, and NPI 1760770390, issued on Jul 18, 2011. Check the license (Wisconsin 7779-123, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Tammy Giannopoulos
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 7779-123 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4402 S 68TH St, Greenfield, WI 53220
- Phone
- (414) 331-8167
- Enumerated
- Jul 18, 2011
- Record last updated
- Aug 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 4,142 in Wisconsin → Look up another NPI →
Also registered at 4402 S 68TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wade Koski, LCSWClinical Social Worker1235201914
- Andrea Kremer, LCSWClinical Social Worker1407972730
- Amy Lopez, MS, LPCProfessional Counselor1639301104
- Kristin McCarty, L.P.C.Professional Counselor1013058163
- Rachel Napierala, LCSW, CADCIIIClinical Social Worker1316063472
- Jason Witt, M.A.Mental Health Counselor1639258981
Verify Tammy Giannopoulos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 7779-123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Tammy Giannopoulos among 4,142 clinical social worker records in Wisconsin
Tammy Giannopoulos, LCSW is one of 4,142 clinical social worker records with a practice address in Wisconsin. 22% 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 2011, is newer than 41% of them.
- NPI issued2011 · 41% of these records are older, 56% newer
- In a Medicare fileNo · 22% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2011 · 52% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 clinical social worker records list a practice address in Greenfield
They are 24 of the 961 NPPES records with a practice address in Greenfield, and 4,142 clinical social worker records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,142 in Wisconsin → Every provider in Greenfield → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Caryn Bub-Standal, LCSW, LMFTGreenfield, WI 532201851441034
- Joanne Damico, MSWMilwaukee, WI 532201265502116
- Nicole Espil, LCSW, BCDMilwaukee, WI 532201326130022
- James Gerber, LCSWGreenfield, WI 532201962517979
- William Hanel, MSW, LCSWGreenfield, WI 532201093738346
- Stephen Hart, PHDMilwaukee, WI 532201306934476
- Robert Hugl, LCSWGreenfield, WI 532201871611160
- Wade Koski, LCSWGreenfield, WI 532201235201914
Common questions
What is Tammy Giannopoulos, LCSW's NPI number?
Tammy Giannopoulos, LCSW's National Provider Identifier (NPI) is 1760770390, issued on Jul 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tammy Giannopoulos, LCSW located?
The NPPES record lists a practice address at 4402 S 68TH St, Greenfield, WI, 53220. Phone: (414) 331-8167. Providers update this record themselves, so call before visiting.
How can I verify Tammy Giannopoulos, LCSW's license?
NPPES lists Wisconsin license number 7779-123, as entered by the provider. Search the Wisconsin 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.