Vivian C. Oconnor, LCSW
Clinical Social Worker · Massapequa, NY
Vivian C. Oconnor, LCSW is a clinical social worker with a practice address in Massapequa, New York, and NPI 1265449938, issued on Aug 2, 2006. Check the license (New York R0304311, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Vivian C. Oconnor
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- R0304311 NY
Self-reported in NPPES; status is on the state search - Practice location
- 19 Riverside Ave, Massapequa, NY 11758
- Phone
- (516) 798-5365
- Enumerated
- Aug 2, 2006
- Record last updated
- Sep 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (516) 798-5365
- Medicaid ID
- 02051921 NY
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →
Verify Vivian C. Oconnor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license R0304311Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Vivian C. Oconnor among 29,293 clinical social worker records in New York
Vivian C. Oconnor, LCSW is one of 29,293 clinical social worker records with a practice address in New York. 8% 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 83% newer
- In a Medicare fileNo · 8% of these records are
- In the CMS Doctors and Clinicians fileNo · 17% of these records are
- Record last updated2008 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 clinical social worker records list a practice address in Massapequa
They are 86 of the 1,195 NPPES records with a practice address in Massapequa, and 29,293 clinical social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 29,293 in New York → Every provider in Massapequa → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Winsome Brown-Cooke, MSWMassapequa, NY 117581558450387
- Arthur Castellano, MSWMassapequa, NY 117581528173101
- David Daisley, LCSW, PSY.D.Massapequa, NY 117581609961002
- Jacqueline Friedberg, LCSWMassapequa, NY 117581598875429
- Laura Haas, LCSWN Massapequa, NY 117581538261268
- Adrienne Lopresti, LMSW, RMassapequa, NY 117581780779645
- Thomas McCoy, LCSWMassapequa, NY 117581063488377
- Mary Ann McGrath, LCSWN Massapequa, NY 117581477542900
Common questions
What is Vivian C. Oconnor, LCSW's NPI number?
Vivian C. Oconnor, LCSW's National Provider Identifier (NPI) is 1265449938, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vivian C. Oconnor, LCSW located?
The NPPES record lists a practice address at 19 Riverside Ave, Massapequa, NY, 11758. Phone: (516) 798-5365. Providers update this record themselves, so call before visiting.
How can I verify Vivian C. Oconnor, LCSW's license?
NPPES lists New York license number R0304311, as entered by the provider. Search the New York 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.