Derrick Lee Barr
- Medicare patients, 2024
- 435
- Part D claims, 2024
- 4,212
- Hospital affiliations
- 1
- Industry payments
- $122
- Medical groups
- 2
- 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 Derrick Barr'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.
Derrick Lee Barr is a physician assistant in Christiansburg, Virginia
Derrick Barr practices at Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia.
Derrick Barr's NPI, 1487299400, was assigned on November 13, 2019. Derrick Barr graduated from Emory University School of Medicine in 2019. Derrick Barr holds Virginia license 0110007000.
- NPI
- 1487299400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163859844
- NPI enumeration date
- November 13, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (540) 382-9405
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Derrick Lee Barr practices at Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia
Derrick Barr'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
Derrick Lee Barr is affiliated with 4 sites of care and 2 medical groups
Derrick Barr's primary practice is Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia. Derrick Barr is also affiliated with Carilion Roanoke Memorial Hospital. The medical group on file is Carilion Clinic. Dmand AI also links Derrick Barr to 1 more group practice or clinic, 1 rural health clinic and 1 medical group, 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 Derrick Lee Barr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Derrick Barr practices, 3 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Derrick Lee Barr is one of 3,636 physician assistants in Virginia
Physician assistant is Derrick Barr's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Derrick Barr is licensed in Virginia.
Specialties and state licenses
- Physician assistant, VirginiaPrimary
Physician assistants near Derrick Barr
Counts of physician assistants 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
Derrick Lee Barr treated 435 Medicare patients in 2024, average age 75
CMS counts 435 Medicare patients who saw Derrick Barr in 2024. The largest group is 65 to 74, with 191 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Derrick Barr's median patient age at 68, with 45% women.
Derrick Barr's Medicare patients by age, 2024
Derrick Barr's Medicare patients by sex, 2024
- Women20547%
- Men23053%
Chronic conditions among Derrick Barr's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis41%
- Diabetes32%
- Chronic kidney disease26%
- Anxiety23%
- Ischemic heart disease23%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Derrick Barr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Derrick Lee Barr wrote 4,212 Medicare Part D claims in 2024
In 2024, Derrick Barr wrote 4,212 Medicare Part D claims for 1,083 patients. 91% of them were for generic drugs.
Derrick Barr's Part D claims by kind of drug, 2024
- Generic3,834 claims91%
- Brand-name359 claims9%
- Other19 claims0%
Drug classes CMS tracks in Derrick Barr's Part D claims, 2024
- Opioids1%32 of 4,212 claims
- Antibiotics6%240 of 4,212 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Derrick Lee Barr offers telehealth to Medicare patients
Derrick Barr accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Derrick Barr as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Derrick Lee Barr received $122 in industry payments in 2025
CMS Open Payments shows 1 general payment to Derrick Barr from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $122.
Companies that paid Derrick Barr the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Derrick Lee Barr graduated from Emory University School of Medicine
Derrick Barr graduated from Emory University School of Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Derrick Lee Barr'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 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 (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) |
| 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 Derrick Lee Barr
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Derrick Lee Barr's NPI number?
Derrick Lee Barr's NPI number is 1487299400. It was assigned on November 13, 2019, and it is active in the NPI Registry.
What does Derrick Lee Barr specialize in?
Derrick Lee Barr is a physician assistant in Christiansburg, Virginia. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Derrick Lee Barr practice?
Derrick Barr practices at 110 Akers Farm NE Rd, Christiansburg, VA 24073. Derrick Barr's primary practice is Carilion Clinic Gastroenterology - Akers Farm Nrv in Christiansburg, Virginia. Dmand AI also links Derrick Barr to 1 group practice or clinic, 1 rural health clinic and 1 medical group.
What is Derrick Lee Barr's office phone number?
The practice phone on file for Derrick Barr is (540) 382-9405.
What is Derrick Lee Barr's medical license number?
Derrick Barr holds Virginia license 0110007000.
Which hospitals is Derrick Lee Barr affiliated with?
Derrick Barr is affiliated with Carilion Roanoke Memorial Hospital.
What medical group is Derrick Lee Barr part of?
Derrick Barr is linked to Carilion Clinic. Dmand AI links Derrick Barr to 1 more medical group.
Does Derrick Lee Barr accept Medicare?
Yes. CMS lists Derrick Barr as accepting Medicare assignment.
Does Derrick Lee Barr offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Derrick Barr as offering telehealth services.
How many Medicare patients does Derrick Lee Barr see?
CMS counts 435 Medicare patients who saw Derrick Barr in 2024, with an average age of 75.
Show 3 more questionsShow fewer questions
Where did Derrick Lee Barr go to medical school?
Derrick Barr graduated from Emory University School of Medicine in 2019.
Has Derrick Lee Barr received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Derrick Barr from 1 company from 2025 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Derrick Lee Barr been practicing?
Derrick Barr graduated from medical school in 2019, 7 years ago.
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