Patrick Michael O'Leary, D.O.

General Practice Physician · Mansfield, OH

Individual Active NPI

NPI number 1164818084

Practice location

580 Park Ave W
Mansfield, OH 44906-3722
Phone
(833) 510-4357

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NPI record

NPI
1164818084
Entity type
Individual (Type 1)
Enumeration date
April 7, 2015
Last updated
November 11, 2025
Certified
November 11, 2025
Sole proprietor
Yes

Specialties & taxonomy codes

TaxonomyCodeLicenseState
General Practice Physician Primary 208D00000X 34.013158 OH
Addiction Medicine (Preventive Medicine) Physician 2083A0300X 34.013158 OH

Mailing address

4600 Montgomery Rd Ste 400
Cincinnati, OH 45212-2600

Other practice locations (4)

  • 4660 Roberts Rd, Columbus, OH 43228-9671 · (513) 834-7063
  • 4873 Glenwood St Apt 1, Mission, KS 66202-1499 · (913) 523-3880
  • 1590 Coal Run Road, Zanesville, OH 43701 · (913) 523-3880
  • 606 Central Ctr, Chillicothe, OH 45601-2248 · (913) 523-3880

About Dr. O'Leary

Patrick Michael O'Leary, D.O. is a healthcare provider registered in the NPI registry with the primary taxonomy General Practice Physician (code 208D00000X). The practice location is 580 Park Ave W, Mansfield, OH 44906-3722. The NPI number 1164818084 was assigned on April 7, 2015 and the record was last updated on November 11, 2025.

Dr. O'Leary lists 2 licenses in the registry: #34.013158 (OH) for General Practice Physician; #34.013158 (OH) for Addiction Medicine (Preventive Medicine) Physician. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Patrick Michael O'Leary, D.O.?

The NPI number is 1164818084.

What is the phone number of Dr. O'Leary?

The phone number listed for the practice location is (833) 510-4357.

Where is Dr. O'Leary located?

580 Park Ave W, Mansfield, OH 44906-3722.

What is the taxonomy code for Dr. O'Leary?

The primary taxonomy code is 208D00000X – General Practice Physician; 1 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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