Mary H. O'Leary, LCSW
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 1 Leo Moss Drive Suite 4308, Olean, NY 14760
- Practice phone
- Call (716) 373-8040
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Olean Counseling Center
Outpatient Addiction Treatment · Olean, New York
Find Mary O'Leary's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Mary H. O'Leary is a social worker in Olean, New York
Mary O'Leary practices at Olean Counseling Center in Olean, New York.
Mary O'Leary's NPI, 1598951667, was assigned on September 21, 2007.
- NPI
- 1598951667NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2007
- NPI status
- Active
- Practice phone
- (716) 373-8040
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Mary H. O'Leary practices at Olean Counseling Center in Olean, New York
Mary O'Leary's primary practice is Olean Counseling Center, at 1 Leo Moss Drive Suite 4308, Olean, NY 14760. The practice phone is (716) 373-8040.
- Olean Counseling Center1 Leo Moss Drive Suite 4308, Olean, NY 14760Phone(716) 373-8040
Source: Dmand AI Affiliation Data
Mary H. O'Leary is affiliated with 2 sites of care and 1 medical group
Mary O'Leary's primary practice is Olean Counseling Center in Olean, New York. The medical group on file is Olean Counseling Center. Dmand AI also links Mary O'Leary to 1 more group practice or clinic, named with a free account. Mary O'Leary's employer is on file too: a behavioral health center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary H. O'Leary's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary O'Leary practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Olean Counseling Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary H. O'Leary is one of 4,070 social workers in New York
Social worker is Mary O'Leary's primary specialty in the NPI Registry, under taxonomy code 104100000X.
Specialties and state licenses
- Social workerPrimary
Social workers near Mary O'Leary
Counts of social workers with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mary H. O'Leary's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Mary O'Leary's median patient age at 59, with 100% women.
Mary O'Leary's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for Mary H. O'Leary's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mary H. O'Leary
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What is Mary H. O'Leary's NPI number?
Mary H. O'Leary's NPI number is 1598951667. It was assigned on September 21, 2007, and it is active in the NPI Registry.
What does Mary H. O'Leary specialize in?
Mary H. O'Leary is a social worker in Olean, New York. The primary specialty in the NPI Registry is Social Worker (taxonomy code 104100000X).
Where does Mary H. O'Leary practice?
Mary O'Leary practices at 1 Leo Moss Drive Suite 4308, Olean, NY 14760. Mary O'Leary's primary practice is Olean Counseling Center in Olean, New York. Dmand AI also links Mary O'Leary to 1 group practice or clinic.
What is Mary H. O'Leary's office phone number?
The practice phone on file for Mary O'Leary is (716) 373-8040.
What medical group is Mary H. O'Leary part of?
Mary O'Leary is linked to Olean Counseling Center.
How long has Mary H. O'Leary been practicing?
Mary O'Leary graduated from medical school in 1992, 34 years ago.
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