Mary H. O'Leary, LCSW
Social Worker · Jamestown, NY
Mary H. O'Leary, LCSW is a social worker with a practice address in Jamestown, New York, and NPI 1598951667, issued on Sep 21, 2007. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary H. O'Leary
- Credential
- LCSW
- Primary taxonomy
- Social Worker 104100000X
- Practice location
- 500 Pine St Ste 1B, Jamestown, NY 14701
- Phone
- (716) 720-0703
- Enumerated
- Sep 21, 2007
- Record last updated
- Aug 27, 2024
- Medicaid ID
- 00635098 NY
- Medicare enrollment
- Enrolled (PECOS I20211111001035); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest social worker records → All 23,561 in New York → Look up another NPI →
Verify Mary H. O'Leary in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- County OF CattaraugusOlean, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary H. O'Leary among 23,561 social worker records in New York
Mary H. O'Leary, 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. Its NPI, issued in 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 92% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 5% of these records are
- Graduated1992 · median 2013 among the 1,177 with a school on file
- Record last updated2024 · 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).
40 social worker records list a practice address in Jamestown
They are 40 of the 1,056 NPPES records with a practice address in Jamestown, and 23,561 social worker records in New York.
All 23,561 in New York → Every provider in Jamestown → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Kimbra Chase, LMSWJamestown, NY 147011114282811
- Irene Culpepper, LMSWJamestown, NY 147011487021994
- Kaytlyn HawleyJamestown, NY 147011417401274
- Jacqueline Joy, LMSWJamestown, NY 147011043529399
- Tina King, LMSWJamestown, NY 147011306269717
- Elizabeth Leighton, LMSWJamestown, NY 147011740625771
- Sherri Lothridge, LMSWJamestown, NY 147011356890404
- Dina McDaneld, LMSWJamestown, NY 147011598109977
Common questions
What is Mary H. O'Leary, LCSW's NPI number?
Mary H. O'Leary, LCSW's National Provider Identifier (NPI) is 1598951667, issued on Sep 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary H. O'Leary, LCSW located?
The NPPES record lists a practice address at 500 Pine St Ste 1B, Jamestown, NY, 14701. Phone: (716) 720-0703. Providers update this record themselves, so call before visiting.
How can I verify Mary H. O'Leary, LCSW's license?
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.
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.