NPPES file of Aug 9, 2026

Kate O'Donovan-Cook, LCSW

Clinical Social Worker · Ossining, NY

Kate O'Donovan-Cook, LCSW is a clinical social worker with a practice address in Ossining, New York, and NPI 1225482649, issued on Apr 21, 2016. Check the license (New York 088832, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225482649
Name
Kate O'Donovan-Cook
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
088832 NY
Self-reported in NPPES; status is on the state search
Practice location
22 Rockledge Ave, Ossining, NY 10562
Phone
(914) 944-5222
Enumerated
Apr 21, 2016
Record last updated
Mar 4, 2025
Medicare enrollment
Enrolled (PECOS I20220718002384); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 29,293 in New York → Look up another NPI →

Also registered at 22 Rockledge Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Chanasue, MDPsychiatry Physician1366904757
  2. Kelsey Ferrari, LCSWClinical Social Worker1760097083
  3. Heather Howe, LCSWClinical Social Worker1023609427
  4. Ahlena Leon Bell, CASACAddiction (Substance Use Disorder) Counselor1417548751
  5. Rowenna Makaj, MASTER CASACAddiction (Substance Use Disorder) Counselor1578154068
  6. Michelle McQueen, LCSWClinical Social Worker1417267378

Verify Kate O'Donovan-Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 088832    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. 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).

Kate O'Donovan-Cook among 29,293 clinical social worker records in New York

Kate O'Donovan-Cook, 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. Its NPI, issued in 2016, is newer than 64% of them.

  • NPI issued2016 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileYes · 17% of these records are
  • Graduated2015 · median 2001 among the 5,004 with a school on file
  • Record last updated2025 · 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).

41 clinical social worker records list a practice address in Ossining

They are 41 of the 403 NPPES records with a practice address in Ossining, and 29,293 clinical social worker records in New York.

All 29,293 in New York → Every provider in Ossining → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Doreen Corrado, LCSW-ROssining, NY 105621346429297
  2. Lauren Davis, CSWROssining, NY 105621467515023
  3. Vivian Depass, LMSWOssining, NY 105621730395567
  4. Liza Margulies, MSW LCSWOssining, NY 105621164560603
  5. Stephanie Minter, LCSWROssining, NY 105621881723518
  6. Terry NathansonOssining, NY 105621841488673
  7. Roberta Omin, LCSWOssining, NY 105621164409603
  8. Celina Pipman, SWOssining, NY 105621912046483

Common questions

What is Kate O'Donovan-Cook, LCSW's NPI number?

Kate O'Donovan-Cook, LCSW's National Provider Identifier (NPI) is 1225482649, issued on Apr 21, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Kate O'Donovan-Cook, LCSW located?

The NPPES record lists a practice address at 22 Rockledge Ave, Ossining, NY, 10562. Phone: (914) 944-5222. Providers update this record themselves, so call before visiting.

How can I verify Kate O'Donovan-Cook, LCSW's license?

NPPES lists New York license number 088832, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.