Dr. Gregory E. Kopack, MD
- Medicare services, 2024
- 548
- Medicare patients, 2024
- 395
- Part D claims, 2024
- 139
- MIPS score, 2024
- 82
- Hospital affiliations
- 1
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Kopack's professional email, personal email and mobile number
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Dr. Gregory E. Kopack is an emergency medicine physician in Falls Church, Virginia
Dr. Kopack practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Kopack's NPI, 1689625840, was assigned on May 13, 2006. Dr. Kopack holds Virginia license 0101058210.
- NPI
- 1689625840NPI Registry (opens in a new tab)
- NPI enumeration date
- May 13, 2006
- NPI status
- Active
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gregory E. Kopack practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Kopack's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Gregory E. Kopack is affiliated with 1 site of care and 2 medical groups
Dr. Kopack's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. The medical group on file is Inova Urgent Care Center. Dmand AI also links Dr. Kopack to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory E. Kopack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kopack practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory E. Kopack is one of 1,686 emergency medicine physicians in Virginia
Emergency medicine is Dr. Kopack's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Kopack is licensed in Virginia.
Specialties and state licenses
- Emergency medicine, VirginiaPrimary
Emergency medicine physicians near Dr. Kopack
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory E. Kopack billed Medicare for 548 services in 2024
CMS data shows 548 Medicare services from Dr. Kopack across 5 procedure codes in 2024, for 395 Medicare patients. Medicare paid $60,444 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kopack's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4372024: 3979%
- Tests and treatments
- 2023: 1412024: 1517%
Dr. Kopack compared with the Virginia median for emergency medicine physicians, 2024
- Dr. Kopack
- Virginia median
- Medicare services
- 548vs 31176% above
- Medicare patients
- 395vs 30729% above
- Part D claims
- 38vs 5936% below
Medians across 1,632 emergency medicine physicians in Virginia with Dmand AI profiles that report each measure.
Dr. Kopack's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory E. Kopack treated 395 Medicare patients in 2024, average age 77
CMS counts 395 Medicare patients who saw Dr. Kopack in 2024. The largest group is 75 to 84, with 122 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kopack's median patient age at 44, with 55% women.
Dr. Kopack's Medicare patients by age, 2024
Dr. Kopack's Medicare patients by sex, 2024
- Women23459%
- Men16141%
Chronic conditions among Dr. Kopack's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Ischemic heart disease40%
- Diabetes39%
- Chronic kidney disease38%
- Heart failure36%
- Anxiety34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kopack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory E. Kopack wrote 139 Medicare Part D claims in 2024
In 2024, Dr. Kopack wrote 139 Medicare Part D claims for 91 patients. 95% of them were for generic drugs. CMS names the drug for 38 of them, across 2 drugs with 11 or more claims each, at $122 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Dr. Kopack's Part D claims by kind of drug, 2024
- Generic132 claims95%
- Brand-name and other7 claims5%
Dr. Kopack's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kopack's Part D claims, 2024
- Opioids10%14 of 139 claims
- Antibiotics24%34 of 139 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 182024: 38111%
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory E. Kopack scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Kopack for performance year 2024, reported as part of a group.
Dr. Kopack's MIPS scores, performance year 2024
- 82of 100Final score
- 76.4of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Dr. Gregory E. Kopack's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory E. Kopack
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory E. Kopack's NPI number?
Dr. Gregory E. Kopack's NPI number is 1689625840. It was assigned on May 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory E. Kopack?
Dr. Gregory E. Kopack is an emergency medicine physician in Falls Church, Virginia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gregory E. Kopack practice?
Dr. Kopack practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Kopack's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Dr. Kopack to 1 medical group.
What is Dr. Gregory E. Kopack's office phone number?
The practice phone on file for Dr. Kopack is (703) 698-3659.
What is Dr. Gregory E. Kopack's medical license number?
Dr. Kopack holds Virginia license 0101058210.
What medical group is Dr. Gregory E. Kopack part of?
Dr. Kopack is linked to Inova Urgent Care Center. Dmand AI links Dr. Kopack to 1 more medical group.
Does Dr. Gregory E. Kopack accept Medicare?
Yes. CMS data shows Dr. Kopack billed Medicare for 548 services in 2024.
What is Dr. Gregory E. Kopack's MIPS score?
Dr. Kopack's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gregory E. Kopack see?
CMS counts 395 Medicare patients who saw Dr. Kopack in 2024, with an average age of 77.
What services does Dr. Gregory E. Kopack bill to Medicare?
In 2024, Dr. Kopack's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
What drugs does Dr. Gregory E. Kopack prescribe most?
In 2024 Medicare Part D data, Dr. Kopack's most prescribed drugs by claims were Naproxen and Cephalexin.
How long has Dr. Gregory E. Kopack been practicing?
Dr. Kopack's NPI was assigned in 2006.
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