Allison W. Warren, MD
Cardiac Electrophysiology · Cardiovascular Disease (Cardiology) (CMS) · Washington, DC
At a glance
900 17Th St Nw Ste 1250, Washington, DC 20006-2517
Published activity: Pacemaker insertion or repair. View counts and coverage
NPPES record updated Jun 3, 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
900 17Th St Nw Ste 1250Washington, DC 20006-2517
Additional reported practice locations
5530 Wisconsin Ave Ste 700Chevy Chase, MD 208154401
Phone: 3016565050
Fax: 3016544237
Education & affiliations
- Medical / professional school
- University Of Missouri, Columbia School Of Medicine
- Graduation year
- 1995
- CMS specialties
- Cardiac Electrophysiology · Cardiovascular Disease (Cardiology)
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- George Washington Univ Hospital Washington, DC
- Suburban Hospital Bethesda, 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.
| Procedure category | Published Medicare activity |
|---|---|
| Pacemaker insertion or repair | 20 |
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.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
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 | $1,133.28 |
| Travel and lodging | $622.41 |
Reporting companies
| Company | Amount |
|---|---|
| ABBOTT LABORATORIES | $1,214.20 |
| MEDTRONIC, INC. | $223.38 |
| CVRX, INC. | $140.72 |
| ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP) | $106.76 |
| ALNYLAM PHARMACEUTICALS INC. | $25.96 |
| BRIDGEBIO PHARMA, INC. | $24.90 |
| E.R. SQUIBB & SONS, L.L.C. | $19.77 |
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
- Cardiac Electrophysiology · Cardiovascular Disease (Cardiology) (CMS)
- Taxonomy code
- 207RC0001X
- Enumeration date
- Aug 2, 2006
- Record updated
- Jun 3, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207RC0001X
License reported: D0063549 MD
207RC0001X · Primary
License reported: MD035573 DC
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
900 17Th St Nw Ste 1250Washington, DC 20006-2517
- Phone
- (301) 656-5050
- Fax
- (301) 654-4237
Mailing address
5530 WISCONSIN AVE STE 700CHEVY CHASE, MD 208154401
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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