DOWNSTATE OPHTHALMOLOGY ASSOCIATES, PC
NPI 1821042664
Ophthalmology in Brooklyn, NY
About Downstate Ophthalmology Associates, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOWNSTATE OPHTHALMOLOGY ASSOCIATES, PC (NPI 1821042664) is a healthcare organization registered as an ophthalmology in Brooklyn, New York and active in the NPI registry since May 2006. The organization lists Peter David Berg, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Downstate Ophthalmology Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Downstate Ophthalmology Associates, PC, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
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 Downstate Ophthalmology Associates, PC's NPI number?
The NPI number for Downstate Ophthalmology Associates, PC is 1821042664. It was assigned to this organization in the NPPES registry on May 19, 2006.
Where is Downstate Ophthalmology Associates, PC located?
Downstate Ophthalmology Associates, PC is located at 34 Plaza St E Ste 103, Brooklyn, NY 11238. The listed phone number is (718) 638-2020.
What is Downstate Ophthalmology Associates, PC's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Downstate Ophthalmology Associates, PC enrolled in Medicare?
Yes. Downstate Ophthalmology Associates, PC is registered in the Medicare PECOS enrollment system.
When is Downstate Ophthalmology Associates, PC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Downstate Ophthalmology Associates, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Ophthalmology, reassign their Medicare billing to Downstate Ophthalmology Associates, PC. 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. 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 Downstate Ophthalmology Associates, PC was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Downstate Ophthalmology Associates, Pc · NPI 1821042664
Ophthalmology organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1821042664 (Entity type: Organization)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Peter Berg, OWNER
## Practice location
- **Address:** 34 PLAZA ST E STE 103, Brooklyn, NY 11238-5038
- **Phone:** (718) 638-2020 · **Fax:** (718) 230-3429
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, New York, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 5 clinicians (Ophthalmology) reassign Medicare billing to this organization (form CMS-855R); 5 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 9, 2026
- **Other identifiers:** Medicaid 01228528 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1821042664) · Data from the CMS NPPES public registry.