Kathryn Mertz, LCSW-R
Clinical Social Worker · East Meadow, NY
Kathryn Mertz, LCSW-R is a clinical social worker with a practice address in East Meadow, New York, and NPI 1073702247, issued on Oct 23, 2007. Check the license (New York 075995, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Mertz
- Credential
- LCSW-R
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 075995 NY
Self-reported in NPPES; status is on the state search - Practice location
- 423 Sussex RD, East Meadow, NY 11554
- Phone
- (516) 695-6284
- Enumerated
- Oct 23, 2007
- Record last updated
- Jul 3, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140723000552); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →
Verify Kathryn Mertz 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 075995Check 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): 91.3 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
- North Shore-Lij Medical PCGlen Oaks, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Mertz among 29,293 clinical social worker records in New York
Kathryn Mertz, LCSW-R 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. Its NPI, issued in 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 68% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2004 · median 2001 among the 5,004 with a school on file
- Record last updated2013 · 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).
53 clinical social worker records list a practice address in East Meadow
They are 53 of the 1,909 NPPES records with a practice address in East Meadow, and 29,293 clinical social worker records in New York.
All 29,293 in New York → Every provider in East Meadow → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Leslye Abbey, LCSW, MSW, CASACEast Meadow, NY 115541629174982
- Gail Busillo, LCSWEast Meadow, NY 115541205991312
- Marian Clarke, LCSWEast Meadow, NY 115541922126309
- Staci Davis, RLCSWEast Meadow, NY 115541871658468
- Mark DworkinEast Meadow, NY 115541649314014
- Barbara Falanga, BARBARA FALANGA, MSWEast Meadow, NY 115541245225291
- Meryl Feldman, L.C.S.W. PLLCEast Meadow, NY 115541962444091
- Clara Greenberg, MSWEast Meadow, NY 115541275693699
Common questions
What is Kathryn Mertz, LCSW-R's NPI number?
Kathryn Mertz, LCSW-R's National Provider Identifier (NPI) is 1073702247, issued on Oct 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Mertz, LCSW-R located?
The NPPES record lists a practice address at 423 Sussex RD, East Meadow, NY, 11554. Phone: (516) 695-6284. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Mertz, LCSW-R's license?
NPPES lists New York license number 075995, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Kathryn Mertz, LCSW-R's MIPS final score?
The 2023 MIPS final score is 91.3 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.