DR. STUART F SEIDES MD
NPI 1629092598
Internal Medicine - Cardiovascular Disease in Washington, DC
About Dr. Stuart F Seides Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STUART F SEIDES MD (NPI 1629092598) is an individual cardiovascular disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD7029) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Stuart F Seides Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Stuart Seides reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 42 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 277 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 Stuart Seides's NPI number?
The NPI number for Stuart Seides is 1629092598. It was assigned to this individual provider in the NPPES registry on July 26, 2006.
Where is Stuart Seides located?
Stuart Seides practices at 106 Irving St NW Ste 2700N, Washington, DC 20010. The listed phone number is (202) 723-5524.
What is Stuart Seides's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Stuart Seides enrolled in Medicare?
Yes. Stuart Seides is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Stuart Seides's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stuart Seides reassigns Medicare benefits to 3 organizations: Cardiology Associates, LLC (Washington, DC), Medstar Heart Institute LLC (Washington, DC) and Medstar Medical Group II LLC (Washington, DC). Each 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 Stuart Seides's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Stuart Seides was last updated on April 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Stuart F Seides, MD · NPI 1629092598
Cardiovascular Disease physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since July 26, 2006.
## Identity
- **NPI:** 1629092598 (Entity type: Individual)
- **Enumerated:** July 26, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD7029 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 106 IRVING ST NW, STE 2700N, Washington, DC 20010-2927
- **Phone:** (202) 723-5524 · **Fax:** (202) 291-0512
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cardiology Associates, LLC (NPI 1972800399, Washington, DC); Medstar Heart Institute LLC (NPI 1528345378, Washington, DC); Medstar Medical Group II LLC (NPI 1023836137, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 30, 2008
- **Other identifiers:** Medicaid 340081600 (MD); Medicare PIN 066M (MD); Medicare PIN 409629 (DC); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1629092598) · Data from the CMS NPPES public registry.