NYC MEDICAL DOCTOR P.C.
NPI 1831489798
Internal Medicine - Geriatric Medicine in Brooklyn, NY
About Nyc Medical Doctor P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NYC MEDICAL DOCTOR P.C. (NPI 1831489798) is a healthcare organization registered as a geriatric medicine in Brooklyn, New York and active in the NPI registry since April 2011. The organization holds a CLIA Waiver certificate valid through June 5, 2028 and lists Ilya Kleyn, M.d., 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)
Nyc Medical Doctor P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
17Medicare enrollment records show 17 clinicians reassign Medicare billing to Nyc Medical Doctor P.C., which bills Medicare for the services they deliver. Of these, 10 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 10
Clinicians, nearest first (17)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 33D2042119
Nyc Medical Doctor PC · Brooklyn, NYFrequently 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 Nyc Medical Doctor P.C.'s NPI number?
The NPI number for Nyc Medical Doctor P.C. is 1831489798. It was assigned to this organization in the NPPES registry on April 13, 2011.
Where is Nyc Medical Doctor P.C. located?
Nyc Medical Doctor P.C. is located at 699 Stanley Ave Ste B, Brooklyn, NY 11207. The listed phone number is (347) 689-8880.
What is Nyc Medical Doctor P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Nyc Medical Doctor P.C. enrolled in Medicare?
Yes. Nyc Medical Doctor P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nyc Medical Doctor P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 17 clinicians in 10 Medicare specialties reassign their Medicare billing to Nyc Medical Doctor 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 Internal Medicine (4), Nurse Practitioner (3) and Cardiovascular Disease (Cardiology) (2). Of these, 10 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Nyc Medical Doctor P.C. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 33D2042119) is associated with this NPI, valid through June 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Nyc Medical Doctor P.C. was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Nyc Medical Doctor P.c. · NPI 1831489798
Geriatric Medicine organization in Brooklyn, New York. Organization record, active in the CMS NPPES registry since April 13, 2011.
## Identity
- **NPI:** 1831489798 (Entity type: Organization)
- **Enumerated:** April 13, 2011
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **Organization subpart:** No
- **Authorized official:** Ilya Kleyn, M.D.
## Practice location
- **Address:** 699 STANLEY AVE STE B, Brooklyn, NY 11207-7905
- **Phone:** (347) 689-8880 · **Fax:** (347) 689-8860
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 17 clinicians in 10 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (4), Nurse Practitioner (3), Cardiovascular Disease (Cardiology) (2); 10 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 7, 2025
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1831489798) · Data from the CMS NPPES public registry.