DR. STEPHEN E ABBOTT MD
NPI 1437280450
Internal Medicine - Infectious Disease in Washington, DC
About Dr. Stephen E Abbott Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN E ABBOTT MD (NPI 1437280450) is an individual infectious disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD037500) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen E Abbott Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Stephen Abbott reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Washington, DC 20005
- Reassigned Medicare billing, District of Columbia enrollment
- 76 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 20005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 20005
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 Abbott's NPI number?
The NPI number for Stephen Abbott is 1437280450. It was assigned to this individual provider in the NPPES registry on March 8, 2007.
Where is Stephen Abbott located?
Stephen Abbott practices at 1525 14th St NW, Washington, DC 20005. The listed phone number is (202) 745-7000.
What is Stephen Abbott's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Stephen Abbott enrolled in Medicare?
Yes. Stephen Abbott is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Stephen Abbott's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Abbott reassigns Medicare benefits to Whitman-Walker Clinic, 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 Abbott'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 Abbott was last updated on November 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Stephen E Abbott, MD · NPI 1437280450
Infectious Disease physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since March 8, 2007.
## Identity
- **NPI:** 1437280450 (Entity type: Individual)
- **Enumerated:** March 8, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** MD037500 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1525 14TH ST NW, Washington, DC 20005-3706
- **Phone:** (202) 745-7000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Whitman-Walker Clinic, Inc (NPI 1184616617, Washington, DC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** November 14, 2018
- **Other identifiers:** Medicaid 024905300 (DC)
---
Source: [NPI Profile](https://npiprofile.com/npi/1437280450) · Data from the CMS NPPES public registry.