Dr. Gregg R. Clifford, MD
- Medicare services, 2022
- 1,064
- Part D claims, 2023
- 283
- Industry payments
- $45
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1060 1 Colonial Rd, Virginia Beach, VA 23454
- Practice phone
- Call (757) 616-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harbor's Edge
Virginia Beach, Virginia
Find Dr. Clifford's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregg R. Clifford is an internist in Virginia Beach, Virginia
Dr. Clifford practices at Harbor's Edge in Virginia Beach, Virginia.
Dr. Clifford's NPI, 1588639975, was assigned on February 21, 2006. Dr. Clifford graduated from University of Virginia School of Medicine in 1982. Dr. Clifford holds Virginia license 0101037676.
- NPI
- 1588639975NPI Registry (opens in a new tab)
- NPI enumeration date
- February 21, 2006
- NPI status
- Active
- Practice phone
- (757) 616-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Gregg R. Clifford practices at Harbor's Edge in Virginia Beach, Virginia
Dr. Clifford's primary practice is Harbor's Edge, at 1060 1 Colonial Rd, Virginia Beach, VA 23454 in Virginia Beach City. The practice phone is (757) 616-7900.
- Harbor's Edge1060 1 Colonial Rd, Virginia Beach, VA 23454 · Virginia Beach CityPhone(757) 616-7900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregg R. Clifford is affiliated with 2 sites of care and 1 medical group
Dr. Clifford's primary practice is Harbor's Edge in Virginia Beach, Virginia. The medical group on file is Sentara Medical Group. Dmand AI also links Dr. Clifford to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregg R. Clifford's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clifford practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harbor's Edge | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregg R. Clifford is one of 3,339 internists in Virginia
Internal medicine is Dr. Clifford's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clifford is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Clifford
Counts of internists 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. Gregg R. Clifford billed Medicare for 1,064 services in 2022
CMS data shows 1,064 Medicare services from Dr. Clifford across 10 procedure codes in 2022. Medicare paid $90,288 for them. Every service was in an office.
Dr. Clifford's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 8592022: 66023%
- Other services
- 2021: 4222022: 23943%
- Tests and treatments
- 2021: 2712022: 16539%
Dr. Clifford compared with the Virginia median for internists, 2022
- Dr. Clifford
- Virginia median
- Medicare services
- 1,064vs 60775% above
- Part D claims
- 283vs 22426% above
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Clifford's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clifford and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregg R. Clifford's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Clifford's median patient age at 73, with 39% women.
Dr. Clifford's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women39%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Gregg R. Clifford wrote 283 Medicare Part D claims in 2023
In 2023, Dr. Clifford wrote 283 Medicare Part D claims. They cover 15 drugs, with $3,964 in total drug cost. In 2022, CMS named 3,841 claims across 98 drugs.
Dr. Clifford's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3,8412023: 28393%
Drugs named by CMS: 15 in 2023, 98 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gregg R. Clifford received $45 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Clifford from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Seagen Inc. paid the most, $45.
Companies that paid Dr. Clifford the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregg R. Clifford graduated from University of Virginia School of Medicine
Dr. Clifford graduated from University of Virginia School of Medicine in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregg R. Clifford'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Gregg R. Clifford
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. Gregg R. Clifford's NPI number?
Dr. Gregg R. Clifford's NPI number is 1588639975. It was assigned on February 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregg R. Clifford?
Dr. Gregg R. Clifford is an internist in Virginia Beach, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregg R. Clifford practice?
Dr. Clifford practices at 1060 1 Colonial Rd, Virginia Beach, VA 23454. Dr. Clifford's primary practice is Harbor's Edge in Virginia Beach, Virginia. Dmand AI also links Dr. Clifford to 1 group practice or clinic.
What is Dr. Gregg R. Clifford's office phone number?
The practice phone on file for Dr. Clifford is (757) 616-7900.
What is Dr. Gregg R. Clifford's medical license number?
Dr. Clifford holds Virginia license 0101037676.
What medical group is Dr. Gregg R. Clifford part of?
Dr. Clifford is linked to Sentara Medical Group.
Does Dr. Gregg R. Clifford accept Medicare?
Yes. CMS data shows Dr. Clifford billed Medicare for 1,064 services in 2022.
What services does Dr. Gregg R. Clifford bill to Medicare?
In 2022, Dr. Clifford's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G0439).
Where did Dr. Gregg R. Clifford go to medical school?
Dr. Clifford graduated from University of Virginia School of Medicine in 1982.
What drugs does Dr. Gregg R. Clifford prescribe most?
In 2023 Medicare Part D data, Dr. Clifford's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. Gregg R. Clifford received payments from drug or device companies?
CMS Open Payments shows $45 in general payments to Dr. Clifford from 1 company from 2017 to 2017. The largest total came from Seagen Inc.
How long has Dr. Gregg R. Clifford been practicing?
Dr. Clifford graduated from medical school in 1982, 44 years ago.
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