ELLIE MENTAL HEALTH
NPI 1952147449
Clinic/Center - Mental Health (Including Community Mental Health Center) in Larchmont, NY
About Ellie Mental Health NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLIE MENTAL HEALTH (NPI 1952147449) is a healthcare organization registered as a mental health (including community mental health center) in Larchmont, New York and active in the NPI registry since July 2024. The organization lists Nahal Kaivan, Owner/clinic Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ellie Mental Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Ellie Mental Health, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (8)
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 Dr Nahal C Kaivan Psychological Services PLLC's NPI number?
The NPI number for Dr Nahal C Kaivan Psychological Services PLLC is 1952147449. It was assigned to this organization in the NPPES registry on July 3, 2024. The provider is doing business as Ellie Mental Health.
Where is Dr Nahal C Kaivan Psychological Services PLLC located?
Dr Nahal C Kaivan Psychological Services PLLC is located at 2001 Palmer Ave Ste 205, Larchmont, NY 10538. The listed phone number is (917) 979-8736.
What is Dr Nahal C Kaivan Psychological Services PLLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is Dr Nahal C Kaivan Psychological Services PLLC enrolled in Medicare?
Yes. Dr Nahal C Kaivan Psychological Services PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Dr Nahal C Kaivan Psychological Services PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 4 Medicare specialties reassign their Medicare billing to Dr Nahal C Kaivan Psychological Services PLLC. A 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 the clinician's services. The largest specialties are Clinical Social Worker (4), Mental Health Counselor (2) and Clinical Psychologist (1). Of these, 1 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Dr Nahal C Kaivan Psychological Services PLLC was last updated on October 28, 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.
# Ellie Mental Health · NPI 1952147449
Mental Health (Including Community Mental Health Center) organization in Larchmont, New York. Organization record, active in the CMS NPPES registry since July 3, 2024.
## Identity
- **NPI:** 1952147449 (Entity type: Organization)
- **Enumerated:** July 3, 2024
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Legal business name:** Dr Nahal C Kaivan Psychological Services Pllc
- **Organization subpart:** No
- **Authorized official:** Nahal Kaivan, OWNER/CLINIC DIRECTOR
## Practice location
- **Address:** 2001 PALMER AVE STE 205, Larchmont, NY 10538-2420
- **Phone:** (917) 979-8736 · **Fax:** (914) 292-9166
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 8 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (4), Mental Health Counselor (2), Clinical Psychologist (1); 1 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1952147449) · Data from the CMS NPPES public registry.