Quick answers
- Where does Michelle S. Sullivan see patients?
- Medicare's clinician data lists 9 practice locations, including New York, NY, Plainview, NY and Ridgewood, NY. Call before your visit to confirm the address.
- What is Michelle S. Sullivan's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Michelle S. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Michelle S. Sullivan 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 Michelle S. Sullivan?
- (212) 897-1991, as listed in official Medicare / NPI Registry data.
- What is Michelle S. Sullivan's NPI number?
- 1285036707. 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 Michelle S. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1555 1st AveNew York, NY 10028 (212) 897‑1991
- 377 S Oyster Bay RdPlainview, NY 11803 (516) 537‑9061
- 520 E 70th StNew York, NY 10021 (646) 797‑8471
- 525 E 68th StNew York, NY 10065 (646) 797‑8471
- 535 E 70th StNew York, NY 10021 (646) 797‑8471
Group practices
Medicare enrollment lists Michelle S. Sullivan as a member of these groups (CMS data updated 2026-10-02).
- North Shore Lij Urgent Care PC390 clinicians in the group
- NY Society for the Relief of Ruptured and Crippled Maintaining183 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 | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285036707 |
| 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