Dr. Gregory K. Hardigree, MD
- Medicare services, 2024
- 1,666
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 127
- Hospital affiliations
- 3
- Industry payments
- $255
- Practice address
- 110 Akers Farm NE Rd, Christiansburg, VA 24073
- Practice phone
- Call (540) 382-9405
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Carilion Clinic Gastroenterology - Akers Farm Nrv
Christiansburg, Virginia
Find Dr. Hardigree'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. Gregory K. Hardigree is an orthopedic surgeon in Christiansburg, Virginia
Dr. Hardigree practices at Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia.
Dr. Hardigree's NPI, 1821099375, was assigned on August 9, 2005. Dr. Hardigree graduated from Medical University of South Carolina College of Medicine in 1988. Dr. Hardigree holds Virginia license 0101237111.
- NPI
- 1821099375NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284697152
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 382-9405
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory K. Hardigree practices at Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia
Dr. Hardigree's primary practice is Carilion Clinic Gastroenterology - Akers Farm Nrv, at 110 Akers Farm NE Rd, Christiansburg, VA 24073 in Montgomery County. The practice phone is (540) 382-9405.
- Carilion Clinic Gastroenterology - Akers Farm Nrv110 Akers Farm NE Rd, Christiansburg, VA 24073 · Montgomery CountyPhone(540) 382-9405
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory K. Hardigree is affiliated with 7 sites of care and 6 medical groups
Dr. Hardigree's primary practice is Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia. Dr. Hardigree is also affiliated with Carilion Roanoke Memorial Hospital. The medical group on file is Carilion Clinic. Dmand AI also links Dr. Hardigree to 2 more hospitals, 5 medical groups and 3 group practices and clinics, each 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. Gregory K. Hardigree's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hardigree practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carilion Clinic Gastroenterology - Akers Farm Nrv | Available with a free account |
| +6 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory K. Hardigree is one of 498 orthopedic surgeons in Virginia
Orthopaedic surgery is Dr. Hardigree's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hardigree is licensed in Virginia.
Specialties and state licenses
- Orthopaedic surgery, VirginiaPrimary
Orthopedic surgeons near Dr. Hardigree
Counts of orthopedic surgeons 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 K. Hardigree billed Medicare for 1,666 services in 2024
CMS data shows 1,666 Medicare services from Dr. Hardigree across 9 procedure codes in 2024, for 175 Medicare patients. Medicare paid $22,001 for them.
Dr. Hardigree's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 02024: 1,340
- Office and hospital visits
- 2023: 1732024: 24743%
- Imaging
- 2023: 02024: 46
- Surgery
- 2023: 152024: 33120%
Where Dr. Hardigree's Medicare services took place, 2024
- In an office1,65399%
- In a facility131%
Dr. Hardigree compared with the Virginia median for orthopedic surgeons, 2024
- Dr. Hardigree
- Virginia median
- Medicare services
- 1,666vs 1,17042% above
- Medicare patients
- 175vs 37053% below
- Part D claims
- 77vs 12136% below
Medians across 475 orthopedic surgeons in Virginia with Dmand AI profiles that report each measure.
Dr. Hardigree'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.
Need commercial claims for Dr. Hardigree?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hardigree and other orthopedic surgeons in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory K. Hardigree treated 175 Medicare patients in 2024, average age 76
CMS counts 175 Medicare patients who saw Dr. Hardigree in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hardigree's median patient age at 65, with 59% women.
Dr. Hardigree's Medicare patients by age, 2024
Dr. Hardigree's Medicare patients by sex, 2024
- Women10962%
- Men6638%
Chronic conditions among Dr. Hardigree's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Mood disorders30%
- Anxiety29%
- Depression29%
- Diabetes27%
- Atrial fibrillation25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hardigree's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory K. Hardigree wrote 127 Medicare Part D claims in 2024
In 2024, Dr. Hardigree wrote 127 Medicare Part D claims for 64 patients. 97% of them were for generic drugs. CMS names the drug for 77 of them, across 3 drugs with 11 or more claims each, at $194 in total drug cost. In 2022, CMS named 73 claims across 4 drugs.
Dr. Hardigree's Part D claims by kind of drug, 2024
- Generic123 claims97%
- Brand-name and other4 claims3%
Dr. Hardigree'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. Hardigree's Part D claims, 2024
- Opioids46%59 of 127 claims
- Antibiotics12%15 of 127 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 732024: 775%
Drugs named by CMS: 3 in 2024, 4 in 2022.
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
How Dr. Gregory K. Hardigree takes part in Medicare
Dr. Hardigree accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Gregory K. Hardigree received $255 in industry payments from 2016 to 2023
CMS Open Payments shows 11 general payments to Dr. Hardigree from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $121.
General payments to Dr. Hardigree by program year, 2016 to 2023
Companies that paid Dr. Hardigree the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory K. Hardigree graduated from Medical University of South Carolina College of Medicine
Dr. Hardigree graduated from Medical University of South Carolina College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory K. Hardigree'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 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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Gregory K. Hardigree
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 K. Hardigree's NPI number?
Dr. Gregory K. Hardigree's NPI number is 1821099375. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory K. Hardigree?
Dr. Gregory K. Hardigree is an orthopedic surgeon in Christiansburg, Virginia. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Gregory K. Hardigree practice?
Dr. Hardigree practices at 110 Akers Farm NE Rd, Christiansburg, VA 24073. Dr. Hardigree's primary practice is Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia. Dmand AI also links Dr. Hardigree to 2 hospitals, 5 medical groups and 3 group practices and clinics.
What is Dr. Gregory K. Hardigree's office phone number?
The practice phone on file for Dr. Hardigree is (540) 382-9405.
What is Dr. Gregory K. Hardigree's medical license number?
Dr. Hardigree holds Virginia license 0101237111.
Which hospitals is Dr. Gregory K. Hardigree affiliated with?
Dr. Hardigree is affiliated with Carilion Roanoke Memorial Hospital. Dmand AI links Dr. Hardigree to 2 more hospitals.
What medical group is Dr. Gregory K. Hardigree part of?
Dr. Hardigree is linked to Carilion Clinic. Dmand AI links Dr. Hardigree to 5 more medical groups.
Does Dr. Gregory K. Hardigree accept Medicare?
Yes. CMS data shows Dr. Hardigree billed Medicare for 1,666 services in 2024, and Dr. Hardigree accepts Medicare assignment.
How many Medicare patients does Dr. Gregory K. Hardigree see?
CMS counts 175 Medicare patients who saw Dr. Hardigree in 2024, with an average age of 76.
What services does Dr. Gregory K. Hardigree bill to Medicare?
In 2024, Dr. Hardigree's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and office visit, new patient (99203).
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Where did Dr. Gregory K. Hardigree go to medical school?
Dr. Hardigree graduated from Medical University of South Carolina College of Medicine in 1988.
What drugs does Dr. Gregory K. Hardigree prescribe most?
In 2024 Medicare Part D data, Dr. Hardigree's most prescribed drugs by claims were Tramadol HCl, Meloxicam and Oxycodone HCl.
Has Dr. Gregory K. Hardigree received payments from drug or device companies?
CMS Open Payments shows $255 in general payments to Dr. Hardigree from 5 companies from 2016 to 2023. The largest total came from Ferring Pharmaceuticals Inc.
How long has Dr. Gregory K. Hardigree been practicing?
Dr. Hardigree graduated from medical school in 1988, 38 years ago.
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