Rena Zerbini Litwin, LCSW
Clinical Social Worker · New London, CT
Rena Zerbini Litwin, LCSW is a clinical social worker with a practice address in New London, Connecticut, and NPI 1487050548, issued on Nov 17, 2014. Check the license (Connecticut 8816, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rena Zerbini Litwin
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 8816 CT
Self-reported in NPPES; status is on the state search - Practice location
- 365 Montauk Ave, New London, CT 06320
- Phone
- (860) 442-0711
- Enumerated
- Nov 17, 2014
- Record last updated
- May 26, 2026
- Medicare enrollment
- Enrolled (PECOS I20150422001839); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 365 Montauk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rena Zerbini Litwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 8816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 93.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northeast Medical Group IncNew London, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rena Zerbini Litwin among 7,729 clinical social worker records in Connecticut
Rena Zerbini Litwin, 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. Its NPI, issued in 2014, is newer than 47% of them.
- NPI issued2014 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2011 · median 2009 among the 1,784 with a school on file
- Record last updated2026 · 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).
157 clinical social worker records list a practice address in New London
They are 157 of the 1,218 NPPES records with a practice address in New London, and 7,729 clinical social worker records in Connecticut.
All 7,729 in Connecticut → Every provider in New London → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Edward Bednar, L.C.S.W.New London, CT 063201730131954
- Iris Bernau, MSW LCSW ACSW BCDNew London, CT 063201609826106
- Margaret Blevins, MSWNew London, CT 063201558388371
- Cheryl Cote, M.S.W.New London, CT 063201013960863
- Gary Fox, MSW LCSWNew London, CT 063201508814765
- Erin Janicek, LCSWNew London, CT 063201043228067
- Molly Kunka, LCSWNew London, CT 063201952315210
- Rolando Martinez, MSW, LCSW, LADCNew London, CT 063201649288390
Common questions
What is Rena Zerbini Litwin, LCSW's NPI number?
Rena Zerbini Litwin, LCSW's National Provider Identifier (NPI) is 1487050548, issued on Nov 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Rena Zerbini Litwin, LCSW located?
The NPPES record lists a practice address at 365 Montauk Ave, New London, CT, 06320. Phone: (860) 442-0711. Providers update this record themselves, so call before visiting.
How can I verify Rena Zerbini Litwin, LCSW's license?
NPPES lists Connecticut license number 8816, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
What is Rena Zerbini Litwin, LCSW's MIPS final score?
The 2023 MIPS final score is 93.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.