Gregory E. Kopack, MD
Emergency Medicine Physician · Falls Church, VA
Gregory E. Kopack, MD is an emergency medicine physician with a practice address in Falls Church, Virginia, and NPI 1689625840, issued on May 13, 2006. Check the license (Virginia 0101058210, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory E. Kopack
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 0101058210 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Gallows RD, Falls Church, VA 22042
- Phone
- (703) 776-6311
- Enumerated
- May 13, 2006
- Record last updated
- Jul 17, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (800) 536-8431
- Medicaid ID
- 451537 VA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,715 in Virginia → Look up another NPI →
Also registered at 3300 Gallows RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory E. Kopack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101058210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
139 Medicare Part D claims for 91 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Naproxen23 claims
- Cephalexin15 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.
Gregory E. Kopack among 1,715 emergency medicine physician records in Virginia
Gregory E. Kopack, MD is one of 1,715 emergency medicine physician records with a practice address in Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2007 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 emergency medicine physician records list a practice address in Falls Church
They are 83 of the 3,991 NPPES records with a practice address in Falls Church, and 1,715 emergency medicine physician records in Virginia.
All 1,715 in Virginia → Every provider in Falls Church → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Raul Armengol, MDFalls Church, VA 220421700843190
- Richard Bishow, PAFalls Church, VA 220421972560373
- William Bosley, PAFalls Church, VA 220421407813827
- Kerry Foley, MDFalls Church, VA 220421659322600
- Keith Ghezzi, MDFalls Church, VA 220421346290913
- Beletshachew Girma, MDFalls Church, VA 220421306896857
- Vivian Hwang, MDFalls Church, VA 220421356392591
- George Jastrzebski, MDFalls Church, VA 220421790736882
Common questions
What is Gregory E. Kopack, MD's NPI number?
Gregory E. Kopack, MD's National Provider Identifier (NPI) is 1689625840, issued on May 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory E. Kopack, MD located?
The NPPES record lists a practice address at 3300 Gallows RD, Falls Church, VA, 22042. Phone: (703) 776-6311. Providers update this record themselves, so call before visiting.
How can I verify Gregory E. Kopack, MD's license?
NPPES lists Virginia license number 0101058210, 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 Gregory E. Kopack, MD prescribe under Medicare Part D?
In 2024, Gregory E. Kopack, MD had 139 Medicare Part D claims for 91 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.