Zachary T Hollis, M.D.
Cardiac Electrophysiology · Cardiovascular Disease (Cardiology) · Internal Medicine (CMS) · Fairfax, VA
At a glance
8081 Innovation Park Dr Ste 602, Fairfax, VA 22031-4867
Published activity: Pacemaker insertion or repair. View counts and coverage
NPPES record updated Sep 29, 2026. 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
8081 Innovation Park Dr Ste 602Fairfax, VA 22031-4867
Additional reported practice locations
351 Valley Health Way # 200Front Royal, VA 226306480
Phone: 5406360600
Fax: 5406360629 3300 Gallows Rd
Falls Church, VA 220423307
Phone: 7037764001
Fax: 7037767113 44045 Riverside Pkwy
Leesburg, VA 201765101
Phone: 7038586000
Fax: 7038586900 104 Selma Dr
Winchester, VA 226013834
Phone: 5406782800 4320 Seminary Rd
Alexandria, VA 223041535
Phone: 7035043000
Fax: 7035043388 190 Campus Blvd Ste 201
Winchester, VA 22601
Phone: 5406620306
Fax: 8552642066 190 Campus Blvd Ste 201
Winchester, VA 22601
Phone: 5406620306
Fax: 8552642066 104 Selma Dr
Winchester, VA 226013834
Phone: 5406782800 224D Cornwall St Nw Ste 306
Leesburg, VA 201762704
Phone: 5714723270
Fax: 5714723271 44084 Riverside Pkwy
Leesburg, VA 201768279
Phone: 5714723270
Fax: 5714723271 3025 Hamaker Ct Ste 101
Fairfax, VA 220312229
Phone: 5714723270
Fax: 5714723271 21785 Filigree Ct Ste 203
Ashburn, VA 201476214
Phone: 5714723270
Fax: 5714723271
Education & affiliations
- Medical / professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb)
- Graduation year
- 2010
- CMS specialties
- Cardiac Electrophysiology · Cardiovascular Disease (Cardiology) · Internal Medicine
Practice groups
Reported hospital affiliations
- Inova Alexandria Hospital Alexandria, VA
- Inova Fair Oaks Hospital Fairfax, VA
- Inova Fairfax Hospital Falls Church, VA
- Inova Loudoun Hospital Leesburg, VA
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 | 36 |
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 |
|---|---|
| Travel and lodging | $4,023.71 |
| Food and beverage | $2,696.29 |
| Consulting fee | $1,250.00 |
Reporting companies
| Company | Amount |
|---|---|
| BOSTON SCIENTIFIC CORPORATION | $2,855.37 |
| MEDTRONIC, INC. | $2,583.76 |
| BIOSENSE WEBSTER, INC. | $2,376.24 |
| ABBOTT LABORATORIES | $154.63 |
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) · Internal Medicine (CMS)
- Taxonomy code
- 207RC0001X
- Enumeration date
- Apr 7, 2010
- Record updated
- Sep 29, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207R00000X
License reported: 0101265236 VA
207RC0000X
License reported: 0101265236 VA
207RC0001X · Primary
License reported: 0101265236 VA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
8081 Innovation Park Dr Ste 602Fairfax, VA 22031-4867
- Phone
- (571) 472-3270
- Fax
- (571) 472-3271
Mailing address
104 SELMA DRWINCHESTER, VA 226013834
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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