Quick answers
- Does Holli M. Flack accept Medicare assignment?
- Medicare's clinician data says Holli M. Flack may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Holli M. Flack's NPI number?
- 1063099026. 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 Holli M. Flack is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 Varick St, Fl 7New York, NY 10014 (212) 780‑2603
- 2080 Lexington Ave, Fl 3New York, NY 10035 (212) 780‑2603
- 2488 Grand ConcourseBronx, NY 10458 (718) 367‑3691
- 83 Maiden LnNew York, NY 10038
Group practices
Medicare enrollment lists Holli M. Flack as a member of this group (CMS data updated October 2, 2026).
- Nysarc Inc New York City Chapter16 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Nysarc Inc New York City Chapter
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1063099026 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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