DR. JOHN ROXBOROUGH IV MD
NPI 1033630124
Family Medicine in Washington, DC
About Dr. John Roxborough Iv Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN ROXBOROUGH IV MD (NPI 1033630124) is an individual family medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD048736) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
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 and accepts Medicare assignment
Dr. John Roxborough Iv 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 Reassignments
2Medicare enrollment records show John Roxborough reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Silver Spring, MD 20902
- Reassigned Medicare billing, District of Columbia enrollment
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Baltimore Medical System, Inc.
- 243 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20019 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 John Roxborough's NPI number?
The NPI number for John Roxborough is 1033630124. It was assigned to this individual provider in the NPPES registry on June 29, 2017.
Where is John Roxborough located?
John Roxborough practices at 4414 Benning Rd NE, Washington, DC 20019. The listed phone number is (202) 388-7891.
What is John Roxborough's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Roxborough enrolled in Medicare?
Yes. John Roxborough 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 organizations bill Medicare for John Roxborough's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Roxborough reassigns Medicare benefits to 2 organizations: Roxborough Medical Group LLC (Silver Spring, MD) and Baltimore Medical Systems, Inc. (Baltimore, MD). 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 John Roxborough'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 John Roxborough was last updated on January 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. John Roxborough IV, MD · NPI 1033630124
Family Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since June 29, 2017.
## Identity
- **NPI:** 1033630124 (Entity type: Individual)
- **Enumerated:** June 29, 2017
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD048736 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 4414 BENNING RD NE, Washington, DC 20019-4555
- **Phone:** (202) 388-7891 · **Fax:** (202) 548-8600
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Roxborough Medical Group LLC (NPI 1275390411, Silver Spring, MD); Baltimore Medical Systems, Inc. (NPI 1164138152, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 19, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1033630124) · Data from the CMS NPPES public registry.