Quick answers
- Where does Olivia Mannix see patients?
- Medicare's clinician data lists 3 practice locations, including New York, NY and Jersey City, NJ. Call before your visit to confirm the address.
- What is Olivia Mannix's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Olivia Mannix accept Medicare assignment?
- Yes. Medicare's clinician data says Olivia Mannix accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Olivia Mannix?
- (212) 280-4740, as listed in official Medicare / NPI Registry data.
- What is Olivia Mannix's NPI number?
- 1861388951. 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 Olivia Mannix is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 W 108th StNew York, NY 10025 (212) 280‑4740
- 349 3rd StJersey City, NJ 07302 (212) 280‑4740
- 535 W 110th St, Apt 1eNew York, NY 10025 (212) 280‑4740
Group practices
Medicare enrollment lists Olivia Mannix as a member of this group (CMS data updated 2026-10-02).
- Westside Family Medicine PLLC30 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861388951 |
| 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