Dr. James Dwight Barnwell, MD

  • Garner, NC
  • Diagnostic radiologist
NPI1760701494PAC ID7517196157
Medicare services, 2024
31,188
Medicare patients, 2024
2,203
Publications
1
MIPS score, 2024
95
Hospital affiliations
3
Practice address
300 Health Park Drive, Suite 100, Garner, NC 27529
Practice phone
Call (919) 662-9500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Wake Radiology UNC Health Rex - Garner

Mammography / Breast Imaging Center · Garner, North Carolina

See all 8 affiliations

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Dr. James Dwight Barnwell is a diagnostic radiologist in Garner, North Carolina

Dr. Barnwell practices at Wake Radiology UNC Health Rex - Garner in Garner, North Carolina.

Dr. Barnwell's NPI, 1760701494, was assigned on May 20, 2010. Dr. Barnwell graduated from University of North Carolina at Chapel Hill School of Medicine in 2010. Dr. Barnwell holds North Carolina license 201502420.

NPI and contact details
Medicare PAC ID
7517196157
NPI enumeration date
May 20, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(919) 662-9500
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James Dwight Barnwell practices at Wake Radiology UNC Health Rex - Garner in Garner, North Carolina

Dr. Barnwell's primary practice is Wake Radiology UNC Health Rex - Garner, at 300 Health Park Drive, Suite 100, Garner, NC 27529. The practice phone is (919) 662-9500.

  • Wake Radiology UNC Health Rex - Garner
    300 Health Park Drive, Suite 100, Garner, NC 27529Phone(919) 662-9500

Source: Dmand AI Affiliation Data

Dr. James Dwight Barnwell is affiliated with 6 sites of care and 2 medical groups

Dr. Barnwell's primary practice is Wake Radiology UNC Health Rex - Garner in Garner, North Carolina. Dr. Barnwell is also affiliated with UNC Health Rex. The medical group on file is Wake Radiology UNC Health Rex. Dmand AI also links Dr. Barnwell to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Barnwell's employer is on file too: a breast imaging center.

See all 8 affiliations for Dr. Barnwell

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James Dwight Barnwell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barnwell practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Wake Radiology UNC Health Rex - GarnerAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Dwight Barnwell is one of 1,068 diagnostic radiologists in North Carolina

Diagnostic radiology is Dr. Barnwell's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Barnwell's licenses on file in 2 states: North Carolina and Missouri.

Specialties and state licenses

  • Diagnostic radiology, North CarolinaPrimaryLicense 201502420 · taxonomy 2085R0202X
  • Missouri licenseLicense 2015008286

Diagnostic radiologists near Dr. Barnwell

Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.

1,068diagnostic radiologists in North Carolina
2diagnostic radiologists in Garner

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. James Dwight Barnwell billed Medicare for 31,188 services in 2024

CMS data shows 31,188 Medicare services from Dr. Barnwell across 32 procedure codes in 2024, for 2,203 Medicare patients. Medicare paid $193,913 for them.

Medicare services, 202431,188
Medicare patients2,203
Paid by Medicare$193,913
Procedure codes32

Dr. Barnwell's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 31,2962024: 28,5279%
Imaging
2023: 2,1022024: 2,66127%

Where Dr. Barnwell's Medicare services took place, 2024

  • In an office29,98296%
  • In a facility1,2064%

Dr. Barnwell compared with the North Carolina median for diagnostic radiologists, 2024

  • Dr. Barnwell
  • North Carolina median
Medicare services
31,188vs 2,32113.4 times
Medicare patients
2,203vs 1,72728% above

Medians across 1,000 diagnostic radiologists in North Carolina with Dmand AI profiles that report each measure.

Dr. Barnwell'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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Need commercial claims for Dr. Barnwell?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barnwell and other diagnostic radiologists in North Carolina.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. James Dwight Barnwell treated 2,203 Medicare patients in 2024, average age 74

CMS counts 2,203 Medicare patients who saw Dr. Barnwell in 2024. The largest group is 65 to 74, with 1,002 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.52, 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. Barnwell's median patient age at 72, with 61% women.

Medicare patients, 20242,203
Average age74
Average risk score1.52
Also on Medicaid10%

Dr. Barnwell's Medicare patients by age, 2024

Dr. Barnwell's Medicare patients by sex, 2024

  • Women1,50768%
  • Men69632%

Chronic conditions among Dr. Barnwell's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis54%
  4. Ischemic heart disease35%
  5. Diabetes33%
  6. Anxiety31%
  7. Chronic kidney disease31%
  8. Mood disorders28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Barnwell's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women61%
  • Men38%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. James Dwight Barnwell scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Barnwell for performance year 2024, reported as part of a group. Dr. Barnwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Barnwell's MIPS scores, performance year 2024

  • 95of 100Final score
  • 99.5of 100Quality
  • 40of 100Improvement Activities
  • 84of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. James Dwight Barnwell has 1 publication on record

Dmand AI links 1 paper to Dr. Barnwell. Dr. Barnwell's most frequent co-authors are Kathryn J. Fowler, MD, Jonathan McConathy and Barry A. Siegel, MD.

Papers1

Dr. Barnwell's most frequent co-authors

Recent publications by Dr. Barnwell

See all 1 publications and co-authors

See who Dr. Barnwell researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barnwell works with, so you can find a warm path to the right diagnostic radiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James Dwight Barnwell received $246 in industry payments from 2017 to 2024

CMS Open Payments shows 3 general payments to Dr. Barnwell from 3 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Blue Earth Diagnostics Limited paid the most, $106.

General payments to Dr. Barnwell by program year, 2017 to 2024

Companies that paid Dr. Barnwell the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Barnwell

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. James Dwight Barnwell graduated from University of North Carolina at Chapel Hill School of Medicine

Dr. Barnwell graduated from University of North Carolina at Chapel Hill School of Medicine in 2010.

  1. Medical schoolUniversity of North Carolina at Chapel Hill School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. James Dwight Barnwell's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James Dwight Barnwell

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. James Dwight Barnwell's NPI number?

Dr. James Dwight Barnwell's NPI number is 1760701494. It was assigned on May 20, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. James Dwight Barnwell?

Dr. James Dwight Barnwell is a diagnostic radiologist in Garner, North Carolina. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. James Dwight Barnwell practice?

Dr. Barnwell practices at 300 Health Park Drive, Suite 100, Garner, NC 27529. Dr. Barnwell's primary practice is Wake Radiology UNC Health Rex - Garner in Garner, North Carolina. Dmand AI also links Dr. Barnwell to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. James Dwight Barnwell's office phone number?

The practice phone on file for Dr. Barnwell is (919) 662-9500.

What is Dr. James Dwight Barnwell's medical license number?

Dr. Barnwell holds North Carolina license 201502420, one of the licenses on file in 2 states.

Which states has Dr. James Dwight Barnwell been licensed in?

Dmand AI has state licenses on file for Dr. Barnwell in North Carolina and Missouri.

Which hospitals is Dr. James Dwight Barnwell affiliated with?

Dr. Barnwell is affiliated with UNC Health Rex. Dmand AI links Dr. Barnwell to 2 more hospitals.

What medical group is Dr. James Dwight Barnwell part of?

Dr. Barnwell is linked to Wake Radiology UNC Health Rex. Dmand AI links Dr. Barnwell to 1 more medical group.

Does Dr. James Dwight Barnwell accept Medicare?

Yes. CMS data shows Dr. Barnwell billed Medicare for 31,188 services in 2024, and Dr. Barnwell accepts Medicare assignment.

What is Dr. James Dwight Barnwell's MIPS score?

Dr. Barnwell's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. James Dwight Barnwell see?

CMS counts 2,203 Medicare patients who saw Dr. Barnwell in 2024, with an average age of 74.

What services does Dr. James Dwight Barnwell bill to Medicare?

In 2024, Dr. Barnwell's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9585) and radiation oncology (77067).

Where did Dr. James Dwight Barnwell go to medical school?

Dr. Barnwell graduated from University of North Carolina at Chapel Hill School of Medicine in 2010.

Has Dr. James Dwight Barnwell received payments from drug or device companies?

CMS Open Payments shows $246 in general payments to Dr. Barnwell from 3 companies from 2017 to 2024. The largest total came from Blue Earth Diagnostics Limited.

How long has Dr. James Dwight Barnwell been practicing?

Dr. Barnwell graduated from medical school in 2010, 16 years ago.

Does Dr. James Dwight Barnwell do research?

Dmand AI links 1 publication to Dr. Barnwell.

Who does Dr. James Dwight Barnwell publish with?

Dr. Barnwell's most frequent co-authors are Kathryn J. Fowler, MD (1 shared paper), Jonathan McConathy (1 shared paper) and Barry A. Siegel, MD (1 shared paper).

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