Quick answers
- Where does Daniel O'Leary see patients?
- Medicare's clinician data lists 5 practice locations, including Smithtown, NY, Garden City, NY and Massapequa, NY. Call before your visit to confirm the address.
- What is Daniel O'Leary's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Daniel O'Leary accept Medicare assignment?
- Medicare's clinician data says Daniel O'Leary may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Daniel O'Leary?
- (631) 880-7577, as listed in official Medicare / NPI Registry data.
- What is Daniel O'Leary's NPI number?
- 1720414717. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Daniel O'Leary is enrolled with Medicare (CMS data updated 2026-10-02).
- 127 E Main StSmithtown, NY 11787 (631) 880‑7577
- 20 Gilbert Ave, Suite 201Smithtown, NY 11787 (631) 724‑1991
- 800 E Gate BlvdGarden City, NY 11530 (516) 745‑8070
- 913 N BroadwayMassapequa, NY 11758 (516) 454‑6387
- 9785 Queens BlvdRego Park, NY 11374 (718) 261‑9100
Group practices
Medicare enrollment lists Daniel O'Leary as a member of these groups (CMS data updated 2026-10-02).
- New York University6,134 clinicians in the group
- Metro Physical Occupational Speech Massage Therapy and Acupuncture PLL452 clinicians in the group
- Long Island Chiropractic, Physical Therapy and Nurse Practitioner in A5 clinicians in the group
- Massapequa PT and Pta PLLC5 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, New York →
Other physical therapists in Smithtown
Clinicians with the same Medicare primary specialty in Smithtown, NY — not a recommendation.
Clinician information
| Graduation year | 2013 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1720414717 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians