Roger B. Keizerstein, LCSW
Social Worker · East Setauket, NY
Roger B. Keizerstein, LCSW is a social worker with a practice address in East Setauket, New York, and NPI 1194885038, issued on Dec 11, 2006. Check the license (New York PR0283491, 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
- Roger B. Keizerstein
- Credential
- LCSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- PR0283491 NY
Self-reported in NPPES; status is on the state search - Practice location
- 249 RT 25A, East Setauket, NY 11733
- Phone
- (631) 689-6382
- Enumerated
- Dec 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (631) 689-6382
- Medicare enrollment
- Enrolled (PECOS I20111227000233); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 23,561 in New York → Look up another NPI →
Verify Roger B. Keizerstein 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 PR0283491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Roger B. Keizerstein among 23,561 social worker records in New York
Roger B. Keizerstein, LCSW is one of 23,561 social worker records with a practice address in New York. 3% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 96% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated1982 · median 2013 among the 1,177 with a school on file
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Social Worker providers in New York
There are 23,561 social worker records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 23,561 in New York → Every provider in East Setauket → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Marie Bances, LCSWEast Setauket, NY 117331417003971
- Lisa Celiberti, L.C.S.W.East Setauket, NY 117331659419984
- Natashia Crump, MSWSetauket, NY 117331134640774
- Robert Danielson, LMSWSetauket, NY 117331245608801
- Brittany DeckerEast Setauket, NY 117331275045577
- Jamie Edwards, LCSWEast Setauket, NY 117331285092890
- Erika Farias, LMSWSetauket, NY 117331407104201
- Nicole GuidoSetauket, NY 117331811312879
Common questions
What is Roger B. Keizerstein, LCSW's NPI number?
Roger B. Keizerstein, LCSW's National Provider Identifier (NPI) is 1194885038, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger B. Keizerstein, LCSW located?
The NPPES record lists a practice address at 249 RT 25A, East Setauket, NY, 11733. Phone: (631) 689-6382. Providers update this record themselves, so call before visiting.
How can I verify Roger B. Keizerstein, LCSW's license?
NPPES lists New York license number PR0283491, 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.