AISLEEN DIAZ MD
NPI 1366910580
Dermatology in New York, NY
About Aisleen Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AISLEEN DIAZ MD (NPI 1366910580) is an individual dermatology provider in New York, New York, licensed in New York (326904) and active in the NPI registry since November 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Ponce School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Aisleen Diaz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Aisleen Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10022
- Reassigned Medicare billing, New York enrollment
- 187 clinicians in this Medicare group
New York, NY 10012
- Reassigned Medicare billing, New York enrollment
- 10 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10019 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Aisleen Diaz's NPI number?
The NPI number for Aisleen Diaz is 1366910580. It was assigned to this individual provider in the NPPES registry on November 6, 2018.
Where is Aisleen Diaz located?
Aisleen Diaz practices at 4 W 58th St Fl 13, New York, NY 10019. The listed phone number is (646) 906-9614.
What is Aisleen Diaz's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Aisleen Diaz enrolled in Medicare?
Yes. Aisleen Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Aisleen Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aisleen Diaz reassigns Medicare benefits to 2 organizations: Schweiger Dermatology PLLC (New York, NY) and Spring Street Dermatology, PLLC (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aisleen Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Aisleen Diaz was last updated on July 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Aisleen Diaz, MD · NPI 1366910580
Dermatology physician in New York, New York. Individual provider, active in the CMS NPPES registry since November 6, 2018.
## Identity
- **NPI:** 1366910580 (Entity type: Individual)
- **Enumerated:** November 6, 2018
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** 326904 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 4 W 58TH ST FL 13, New York, NY 10019-2515
- **Phone:** (646) 906-9614
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Schweiger Dermatology PLLC (NPI 1831438662, New York, NY); Spring Street Dermatology, PLLC (NPI 1639408818, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ponce School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1366910580) · Data from the CMS NPPES public registry.