Roni Lang, L.C.S.W.
Clinical Social Worker · Greenwich, CT
Roni Lang, L.C.S.W. is a clinical social worker with a practice address in Greenwich, Connecticut, and NPI 1427062587, issued on Jul 27, 2006. Check the license (Connecticut 003363, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Roni Lang
- Credential
- L.C.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 003363 CT
Self-reported in NPPES; status is on the state search - Practice location
- 5 Perryridge RD, Greenwich, CT 06830
- Phone
- (203) 863-4375
- Enumerated
- Jul 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 863-4711
- Medicare enrollment
- Enrolled (PECOS I20040317001129); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,729 in Connecticut → Look up another NPI →
Also registered at 5 Perryridge RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tena AbrahamPharmacist1649838905
- Hanief Abrahams, M.D.Anesthesiology Physician1497798235
- Diana Adams, M.D.Maternal & Fetal Medicine Physician1255300653
- Saheeb AhmedStudent in an Organized Health Care Education/Training Program1326626748
- Rachel Alfandre, LCSWClinical Social Worker1497077259
- Vicki Altmeyer, M.D.Anatomic Pathology & Clinical Pathology Physician1700807898
Verify Roni Lang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 003363Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 70.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Greenwich HospitalGreenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roni Lang among 7,729 clinical social worker records in Connecticut
Roni Lang, L.C.S.W. 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 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 86% newer
- In a Medicare fileYes · 15% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated1971 · median 2009 among the 1,784 with a school on file
- Record last updated2007 · 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).
126 clinical social worker records list a practice address in Greenwich
They are 126 of the 1,184 NPPES records with a practice address in Greenwich, and 7,729 clinical social worker records in Connecticut.
All 7,729 in Connecticut → Every provider in Greenwich → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Debra Bader, LCSWGreenwich, CT 068301871702936
- Kaye Barker, LCSWGreenwich, CT 068301093924128
- Emily Guttman, LCSWGreenwich, CT 068301124178785
- Elizabeth Hartley, LCSWGreenwich, CT 068301376565853
- William Hartman, PHDGreenwich, CT 068301124176276
- Gina Krajeski, MSWGreenwich, CT 068301922174663
- Dudley Mairs, MSWGreenwich, CT 068301164632477
- Janet Osborne, N.C.C.Greenwich, CT 068301932301470
Common questions
What is Roni Lang, L.C.S.W.'s NPI number?
Roni Lang, L.C.S.W.'s National Provider Identifier (NPI) is 1427062587, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roni Lang, L.C.S.W. located?
The NPPES record lists a practice address at 5 Perryridge RD, Greenwich, CT, 06830. Phone: (203) 863-4375. Providers update this record themselves, so call before visiting.
How can I verify Roni Lang, L.C.S.W.'s license?
NPPES lists Connecticut license number 003363, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
What is Roni Lang, L.C.S.W.'s MIPS final score?
The 2023 MIPS final score is 70.2 of 100, reported for the practice group. 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.