Quick answers
- Where does Katy A. Nickolaus see patients?
- Medicare's clinician data lists 3 practice locations, including Uniondale, NY and New York, NY. Call before your visit to confirm the address.
- What is Katy A. Nickolaus's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Katy A. Nickolaus accept Medicare assignment?
- Yes. Medicare's clinician data says Katy A. Nickolaus 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.
- Does Katy A. Nickolaus offer telehealth?
- Medicare's clinician data says Katy A. Nickolaus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Katy A. Nickolaus?
- (212) 639-2000, as listed in official Medicare / NPI Registry data.
- What is Katy A. Nickolaus's NPI number?
- 1821549924. 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 Katy A. Nickolaus is enrolled with Medicare (CMS data updated 2026-10-02).
- 1101 Hempstead TpkeUniondale, NY 11553 (212) 639‑2000
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 160 E 53rd StNew York, NY 10022 (212) 610‑0425
Group practices
Medicare enrollment lists Katy A. Nickolaus as a member of these groups (CMS data updated 2026-10-02).
- MSK Nassau98 clinicians in the group
- Memorial Developmental Chemo Group48 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Uniondale
Clinicians with the same Medicare primary specialty in Uniondale, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821549924 |
| 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