DR. MARISSA T AYASSE MD
NPI 1992389480
Dermatology in Port Jefferson Station, NY
About Dr. Marissa T Ayasse Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARISSA T AYASSE MD (NPI 1992389480) is an individual dermatology provider in Port Jefferson Station, New York, licensed in New York (334232) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS and is a graduate of State Un Of Ny, Stony Brook School Of Dental Med (2021).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Dr. Marissa T Ayasse 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 Reassignment
Medicare enrollment records show Marissa Ayasse reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 8 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 11776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Marissa Ayasse's NPI number?
The NPI number for Marissa Ayasse is 1992389480. It was assigned to this individual provider in the NPPES registry on May 10, 2021. The provider is also known as Dr. Marissa T Ayasse MD.
Where is Marissa Ayasse located?
Marissa Ayasse practices at 6 Medical Dr Ste D, Port Jefferson Station, NY 11776. The listed phone number is (631) 928-7922.
What is Marissa Ayasse's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Marissa Ayasse enrolled in Medicare?
Yes. Marissa Ayasse 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 organization bills Medicare for Marissa Ayasse's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Ayasse reassigns Medicare benefits to Peter A Klein, MD, Faad, PC (Port Jefferson Station, NY). The 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 Marissa Ayasse'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 Marissa Ayasse was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Dr. Marissa T Ayasse, MD · NPI 1992389480
Dermatology physician in Port Jefferson Station, New York. Individual provider, active in the CMS NPPES registry since May 10, 2021.
## Identity
- **NPI:** 1992389480 (Entity type: Individual)
- **Enumerated:** May 10, 2021
- **Primary specialty:** Dermatology · taxonomy 207N00000X
- **State license:** 334232 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6 MEDICAL DR STE D, Port Jefferson Station, NY 11776-1594
- **Phone:** (631) 928-7922
## 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:** Peter A Klein, MD, Faad, PC (NPI 1902837396, Port Jefferson Station, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State Un Of Ny, Stony Brook School Of Dental Med, class of 2021
## Record status
- **NPPES last updated:** March 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1992389480) · Data from the CMS NPPES public registry.