Keith Marshall Horton, MD
Diagnostic Radiology · Interventional Radiology · Vascular Surgery (CMS) · Washington, DC
At a glance
110 Irving St Nw, Washington, DC 20010-2976
NPPES record updated Apr 22, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
110 Irving St NwWashington, DC 20010-2976
Additional reported practice locations
22 S Greene StBaltimore, MD 212011544
Phone: 4103281565
Education & affiliations
- Medical / professional school
- University Of North Carolina At Chapel Hill School Of Medicine
- Graduation year
- 1985
- CMS specialties
- Diagnostic Radiology · Interventional Radiology · Vascular Surgery
Practice groups
Reported hospital affiliations
- Medstar Good Samaritan Hospital Baltimore, MD
- Medstar Washington Hospital Center Washington, DC
- University Of Maryland Medical Center Baltimore, MD
- University Of Md Medical Center Midtown Campus Baltimore, MD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $3,636.31 |
Reporting companies
| Company | Amount |
|---|---|
| BOSTON SCIENTIFIC CORPORATION | $533.54 |
| MEDIVIEW XR, INC. | $460.96 |
| ANGIODYNAMICS, INC. | $438.86 |
| STRYKER CORPORATION | $384.05 |
| TERUMO MEDICAL CORPORATION | $312.27 |
| BALT USA, LLC | $235.17 |
| PENUMBRA, INC. | $228.50 |
| MEDTRONIC, INC. | $223.14 |
| Other reporting companies | $819.82 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology · Interventional Radiology · Vascular Surgery (CMS)
- Taxonomy code
- 2085R0204X
- Enumeration date
- Oct 25, 2005
- Record updated
- Apr 22, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085R0202X
License reported: D0041656 MD
2085R0204X
License reported: D0041656 MD
2085R0202X
License reported: MD19020 DC
2085R0204X · Primary
License reported: MD19020 DC
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
110 Irving St NwWashington, DC 20010-2976
- Phone
- (202) 877-6429
- Fax
- (202) 877-8626
Mailing address
1201 SEVEN LOCKS RDSUITE 200
ROCKVILLE, MD 208542931
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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