KATHERINE A HAMDAN MA
NPI 1215526702
Counselor - Mental Health in Amityville, NY
About Katherine A Hamdan Ma NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE A HAMDAN MA (NPI 1215526702) is an individual mental health provider in Amityville, New York, licensed in New York (010826) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
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
Katherine A Hamdan Ma 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 Katherine Hamdan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Liverpool, NY 13090
- Reassigned Medicare billing, New York enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Katherine Hamdan's NPI number?
The NPI number for Katherine Hamdan is 1215526702. It was assigned to this individual provider in the NPPES registry on January 11, 2021. The provider is also known as Katherine A Livi Ma.
Where is Katherine Hamdan located?
Katherine Hamdan practices at 157 Jefferson Ave, Amityville, NY 11701. The listed phone number is (423) 507-7910.
What is Katherine Hamdan's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Katherine Hamdan enrolled in Medicare?
Yes. Katherine Hamdan 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 Katherine Hamdan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Hamdan reassigns Medicare benefits to Moving Mountains Mental Health Counseling PLLC (Liverpool, 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 Katherine Hamdan'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 Katherine Hamdan was last updated on January 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Katherine A Hamdan, MA · NPI 1215526702
Mental Health provider in Amityville, New York. Individual provider, active in the CMS NPPES registry since January 11, 2021.
## Identity
- **NPI:** 1215526702 (Entity type: Individual)
- **Enumerated:** January 11, 2021
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 010826 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 157 JEFFERSON AVE, Amityville, NY 11701-2325
- **Phone:** (423) 507-7910
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Moving Mountains Mental Health Counseling PLLC (NPI 1386448082, Liverpool, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 11, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1215526702) · Data from the CMS NPPES public registry.