Quick answers
- Does Giselle S. Perez accept Medicare assignment?
- Yes. Medicare's clinician data says Giselle S. Perez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Giselle S. Perez see?
- In 2024, CMS data shows 39 Original Medicare patients and 179 services for Giselle S. Perez. This counts Original Medicare only and measures volume, not quality.
- What is Giselle S. Perez's NPI number?
- 1376214593. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Giselle S. Perez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 39 |
|---|---|
| Services billed to Medicare | 179 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)110 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)23 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol72%
- Depression69%
- Anxiety69%
- Arthritis59%
- High blood pressure49%
- Osteoporosis31%
Practice locations
Addresses where Giselle S. Perez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1425 Madison AveNew York, NY 10029 (212) 824‑8150
- 175 Lawrence AveBrooklyn, NY 11230 (718) 436‑7600
- 175 Lawrence Ave, 1st Floor ClinicBrooklyn, NY 11230
Group practices
Medicare enrollment lists Giselle S. Perez as a member of these groups (CMS data updated October 2, 2026).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
- United Cerebral Palsy of New York City, Inc.10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Icahn School of Medicine at Mount Sinai
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | New York University School Of Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376214593 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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