STEPHEN S. CHA MD
NPI 1396918587
Internal Medicine in Washington, DC
About Stephen S. Cha Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN S. CHA MD (NPI 1396918587) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD036307) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen S. Cha Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Cha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20009
- Reassigned Medicare billing, District of Columbia enrollment
- 343 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 20009 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Stephen Cha's NPI number?
The NPI number for Stephen Cha is 1396918587. It was assigned to this individual provider in the NPPES registry on April 8, 2008.
Where is Stephen Cha located?
Stephen Cha practices at 2032 Belmont Rd NW Apt 605, Washington, DC 20009. The listed phone number is (202) 657-9551.
What is Stephen Cha's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Stephen Cha enrolled in Medicare?
Yes. Stephen Cha is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Cha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Cha reassigns Medicare benefits to Unity Health Care, Inc. (Washington, DC). The 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 Stephen Cha'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 Stephen Cha was last updated on April 8, 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.