DMITRI ALDEN, MD,PC
NPI 1669445615
Surgery - Surgical Oncology in New York, NY
About Dmitri Alden, Md,pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DMITRI ALDEN, MD,PC (NPI 1669445615) is a healthcare organization registered as a surgical oncology in New York, New York and active in the NPI registry since February 2006. The organization lists Dmitri Alden, Owner, 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)
Dmitri Alden, Md,pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Dmitri Alden, MD,pc, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Dmitri Alden, Md,pc's NPI number?
The NPI number for Dmitri Alden, Md,pc is 1669445615. It was assigned to this organization in the NPPES registry on February 9, 2006.
Where is Dmitri Alden, Md,pc located?
Dmitri Alden, Md,pc is located at 186 E 76th St, New York, NY 10021. The listed phone number is (212) 434-6216.
What is Dmitri Alden, Md,pc's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Dmitri Alden, Md,pc enrolled in Medicare?
Yes. Dmitri Alden, Md,pc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Dmitri Alden, Md,pc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Surgical Oncology) reassigns their Medicare billing to Dmitri Alden, Md,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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Dmitri Alden, Md,pc was last updated on June 24, 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.
# Dmitri Alden, Md,pc · NPI 1669445615
Surgical Oncology organization in New York, New York. Organization record, active in the CMS NPPES registry since February 9, 2006.
## Identity
- **NPI:** 1669445615 (Entity type: Organization)
- **Enumerated:** February 9, 2006
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **Organization subpart:** No
- **Authorized official:** Dmitri Alden, OWNER
## Practice location
- **Address:** 186 E 76TH ST, New York, NY 10021-2822
- **Phone:** (212) 434-6216 · **Fax:** (845) 452-2104
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Surgical Oncology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1669445615) · Data from the CMS NPPES public registry.