John Feltham O'Neill
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 191 Joralemon St, Brooklyn, NY 11201
- Practice phone
- Call (718) 722-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Catholic Charities Neighborhood Services, Inc.
Brooklyn, New York
Find John O'Neill'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.
John Feltham O'Neill is a social worker in Brooklyn, New York
John O'Neill practices at Catholic Charities Neighborhood Services, Inc. in Brooklyn, New York.
John O'Neill's NPI, 1184229908, was assigned on December 1, 2020. John O'Neill holds New York license 109196-01.
- NPI
- 1184229908NPI Registry (opens in a new tab)
- NPI enumeration date
- December 1, 2020
- NPI status
- Active
- Practice phone
- (718) 722-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
John Feltham O'Neill practices at Catholic Charities Neighborhood Services, Inc. in Brooklyn, New York
John O'Neill's primary practice is Catholic Charities Neighborhood Services, Inc., at 191 Joralemon St, Brooklyn, NY 11201 in Kings County. The practice phone is (718) 722-6000.
- Catholic Charities Neighborhood Services, Inc.191 Joralemon St, Brooklyn, NY 11201 · Kings CountyPhone(718) 722-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Feltham O'Neill is affiliated with 1 site of care and 1 medical group
John O'Neill's primary practice is Catholic Charities Neighborhood Services, Inc. in Brooklyn, New York. The medical group on file is Catholic Charities Brooklyn and Queens.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Feltham O'Neill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John O'Neill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Catholic Charities Neighborhood Services, Inc. | Available with a free account |
Source: Dmand AI Technology Install Data
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John Feltham O'Neill is one of 4,070 social workers in New York
Social worker is John O'Neill's primary specialty in the NPI Registry, under taxonomy code 104100000X. John O'Neill is licensed in New York.
Specialties and state licenses
- Social worker, New YorkPrimary
Social workers near John O'Neill
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
John Feltham O'Neill's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts John O'Neill's median patient age at 61, with 67% women.
John O'Neill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Sources for John Feltham O'Neill'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 John Feltham O'Neill
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What is John Feltham O'Neill's NPI number?
John Feltham O'Neill's NPI number is 1184229908. It was assigned on December 1, 2020, and it is active in the NPI Registry.
What does John Feltham O'Neill specialize in?
John Feltham O'Neill is a social worker in Brooklyn, New York. The primary specialty in the NPI Registry is Social Worker (taxonomy code 104100000X).
Where does John Feltham O'Neill practice?
John O'Neill practices at 191 Joralemon St, Brooklyn, NY 11201. John O'Neill's primary practice is Catholic Charities Neighborhood Services, Inc. in Brooklyn, New York.
What is John Feltham O'Neill's office phone number?
The practice phone on file for John O'Neill is (718) 722-6000.
What is John Feltham O'Neill's medical license number?
John O'Neill holds New York license 109196-01.
What medical group is John Feltham O'Neill part of?
John O'Neill is linked to Catholic Charities Brooklyn and Queens.
How long has John Feltham O'Neill been practicing?
John O'Neill's NPI was assigned in 2020.
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