LONG ISLAND PSYCHIATRIC SERVICES P.C.
NPI 1821305368
Psychiatry & Neurology - Psychiatry in Baldwin, NY
About Long Island Psychiatric Services P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LONG ISLAND PSYCHIATRIC SERVICES P.C. (NPI 1821305368) is a healthcare organization registered as a psychiatry in Baldwin, New York and active in the NPI registry since September 2010. The organization lists Martha R Alzamora, Medical Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
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)
Long Island Psychiatric Services P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
7Medicare enrollment records show 7 clinicians reassign Medicare billing to Long Island Psychiatric Services P.C., which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (7)
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 Long Island Psychiatric Services P.C.'s NPI number?
The NPI number for Long Island Psychiatric Services P.C. is 1821305368. It was assigned to this organization in the NPPES registry on September 3, 2010.
Where is Long Island Psychiatric Services P.C. located?
Long Island Psychiatric Services P.C. is located at 2280 Grand Ave Suite 207A, Baldwin, NY 11510. The listed phone number is (516) 442-5151.
What is Long Island Psychiatric Services P.C.'s specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Long Island Psychiatric Services P.C. enrolled in Medicare?
Yes. Long Island Psychiatric Services P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Long Island Psychiatric Services P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Long Island Psychiatric Services P.C.. 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 Nurse Practitioner (3), Clinical Social Worker (2) and Psychiatry (2). Of these, 5 practice 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 Long Island Psychiatric Services P.C. was last updated on September 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Long Island Psychiatric Services P.c. · NPI 1821305368
Psychiatry organization in Baldwin, New York. Organization record, active in the CMS NPPES registry since September 3, 2010.
## Identity
- **NPI:** 1821305368 (Entity type: Organization)
- **Enumerated:** September 3, 2010
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **Organization subpart:** No
- **Authorized official:** Martha Alzamora, MEDICAL DIRECTOR
## Practice location
- **Address:** 2280 GRAND AVE, SUITE 207A, Baldwin, NY 11510-3164
- **Phone:** (516) 442-5151 · **Fax:** (516) 442-5152
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 7 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Clinical Social Worker (2), Psychiatry (2); 5 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 18, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1821305368) · Data from the CMS NPPES public registry.