Geoffrey S. Hillback, LCSW
Clinical Social Worker · Parsippany, NJ
Geoffrey S. Hillback, LCSW is a clinical social worker with a practice address in Parsippany, New Jersey, and NPI 1649832965, issued on Jul 8, 2019. Check the license (New Jersey 44SC05860900, as entered in NPPES) with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Geoffrey S. Hillback
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 44SC05860900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 22 Hill RD, Parsippany, NJ 07054
- Phone
- (973) 335-9909
- Enumerated
- Jul 8, 2019
- Record last updated
- Jul 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (973) 335-9910
- Entity
- Type 1 · individual
Also registered at 22 Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason CarnessPsychiatry Physician1184068223
- Rebecca Casey, APNPsychiatric/Mental Health Nurse Practitioner1558938951
- Rafael ContrerasPsychiatric/Mental Health Nurse Practitioner1750930368
- Kathryn Groll, CNM, PMHNP-BC, DNPPsychiatric/Mental Health Nurse Practitioner1336304823
- Lisa Guillod, LCSWClinical Social Worker1043782469
- Kathy Gvardijan, LPCProfessional Counselor1043053242
Verify Geoffrey S. Hillback in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Jersey board licenses this profession
Search for license 44SC05860900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60 clinical social worker records list a practice address in Parsippany
They are 60 of the 840 NPPES records with a practice address in Parsippany, and 9,790 clinical social worker records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 60 in Parsippany → All 9,790 in New Jersey → Every provider in Parsippany →
Other clinical social worker records in New Jersey
- Paige Aaron, LCSWHopewell, NJ1578532891
- Ariella AbayevFreehold, NJ1184340978
- Kristen AbbatemarcoBrick, NJ1518325166
- Gina Abbondante, LCSWMarlton, NJ1194026237
- Cynthia AbbottWest Orange, NJ1013381201
- Kelley Abbott, MSW, LCSWCherry Hill, NJ1437794419
- Georgiana Abdelmoety, LSWHamilton, NJ1215825237
- Habeebah Abdus-Salaam, LCSWWillingboro, NJ1609619246
- Diane Abel, LCSWFair Lawn, NJ1164974275
- Yemisi Abiona, MSWClark, NJ1538414180
Common questions
What is Geoffrey S. Hillback, LCSW's NPI number?
Geoffrey S. Hillback, LCSW's National Provider Identifier (NPI) is 1649832965, issued on Jul 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Geoffrey S. Hillback, LCSW located?
The NPPES record lists a practice address at 22 Hill RD, Parsippany, NJ, 07054. Phone: (973) 335-9909. Providers update this record themselves, so call before visiting.
How can I verify Geoffrey S. Hillback, LCSW's license?
NPPES lists New Jersey license number 44SC05860900, as entered by the provider. Search the New Jersey 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.