NPPES file of Aug 9, 2026

Zachary T. Hollis, M.D.

Clinical Cardiac Electrophysiology Physician · Fairfax, VA

Zachary T. Hollis, M.D. is a clinical cardiac electrophysiology physician with a practice address in Fairfax, Virginia, and NPI 1104142744, issued on Apr 7, 2010. Check the license (Virginia 0101265236, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104142744
Name
Zachary T. Hollis
Credential
M.D.
Primary taxonomy
Clinical Cardiac Electrophysiology Physician 207RC0001X
License number
0101265236 VA
Self-reported in NPPES; status is on the state search
Practice location
8081 Innovation Park Dr Ste 602, Fairfax, VA 22031
Phone
(571) 472-3270
Enumerated
Apr 7, 2010
Record last updated
Mar 4, 2026
Fax
(571) 472-3271
Medicare enrollment
Enrolled (PECOS I20181001000904); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8081 Innovation Park Dr Ste 602

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brett Atwater, M.D.Clinical Cardiac Electrophysiology Physician1053376194
  2. Courtney ChannelsAdult Health Nurse Practitioner1396100251
  3. Stephen Gaeta, M.D., PH.D.Clinical Cardiac Electrophysiology Physician1265731491
  4. Elizabeth Held, M.D.Clinical Cardiac Electrophysiology Physician1457770919
  5. Damon Licari, PAPhysician Assistant1962495069
  6. Stanley Strickberger, MDInternal Medicine Physician1548217391

Verify Zachary T. Hollis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101265236
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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81% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024

328 Medicare Part D claims for 130 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Zachary Hollis328
  2. Specialty average1,710

Most prescribed

  1. Eliquis75 claims
  2. Amiodarone Hcl57 claims
  3. Metoprolol Succinate31 claims
  4. Pantoprazole Sodium29 claims
  5. Clopidogrel28 claims
  6. Flecainide Acetate20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $8,367.32

57 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Hollis$8,367
  2. Specialty average$10,651

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Inova Health Care ServicesAshburn, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Zachary T. Hollis among 93 clinical cardiac electrophysiology physician records in Virginia

Zachary T. Hollis, M.D. is one of 93 clinical cardiac electrophysiology physician records with a practice address in Virginia. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 68% of them.

  • NPI issued2010 · 68% of these records are older, 27% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 90% of these records are
  • Graduated2010 · median 2002 among the 84 with a school on file
  • Record last updated2026 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Cardiac Electrophysiology Physician providers in Virginia

There are 93 clinical cardiac electrophysiology physician records in Virginia.

The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes

  1. Brett Atwater, M.D.Fairfax, VA 220311053376194
  2. Albert Delnegro, M.D., FACCFairfax, VA 220311164491734
  3. Sarfraz Durrani, M.D.Fairfax, VA 220311770671711
  4. Stephen Gaeta, M.D., PH.D.Fairfax, VA 220311265731491
  5. Elizabeth Held, M.D.Fairfax, VA 220311457770919
  6. David Strouse, M.D., FACCFairfax, VA 220311306815501
  7. Marc Wish, M.D., FACCFairfax, VA 220311508835703
  8. Anthony Chang, M.D.Falls Church, VA 220421417951062

Common questions

What is Zachary T. Hollis, M.D.'s NPI number?

Zachary T. Hollis, M.D.'s National Provider Identifier (NPI) is 1104142744, issued on Apr 7, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Zachary T. Hollis, M.D. located?

The NPPES record lists a practice address at 8081 Innovation Park Dr Ste 602, Fairfax, VA, 22031. Phone: (571) 472-3270. Providers update this record themselves, so call before visiting.

How can I verify Zachary T. Hollis, M.D.'s license?

NPPES lists Virginia license number 0101265236, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Zachary T. Hollis, M.D. prescribe under Medicare Part D?

In 2024, Zachary T. Hollis, M.D. had 328 Medicare Part D claims for 130 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.