NPPES file of Aug 9, 2026

Christopher Ryan Kelsey, M.D.

Radiation Oncology Physician · Durham, NC

Christopher Ryan Kelsey, M.D. is a radiation oncology physician with a practice address in Durham, North Carolina, and NPI 1164552865, issued on Mar 6, 2007. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164552865
Name
Christopher Ryan Kelsey
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
Practice location
Morris Building, Science Drive, Room 05135, Durham, NC 27710
Phone
(919) 668-5213
Enumerated
Mar 6, 2007
Record last updated
Jul 31, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(919) 668-7345
Medicare enrollment
Enrolled (PECOS I20070823000968); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Christopher Ryan Kelsey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

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54% fewer Medicare Part D claims than the average radiation oncology physician in 2024

62 Medicare Part D claims for 35 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Christopher Kelsey62
  2. Specialty average134

Most prescribed

  1. Lidocaine Hcl Viscous12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Duke Health Integrated Practice IncDurham, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Ryan Kelsey among 230 radiation oncology physician records in North Carolina

Christopher Ryan Kelsey, M.D. is one of 230 radiation oncology physician records with a practice address in North Carolina. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 36% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2002 · median 2003 among the 166 with a school on file
  • Record last updated2007 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in North Carolina

There are 230 radiation oncology physician records in North Carolina.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Mark Chen, MD, PHDDurham, NC 277101023695251
  2. Junzo Chino, M.D.Durham, NC 277101316138548
  3. Christine Eyler, M.D., PH.D.Durham, NC 277101770859829
  4. Scott Floyd, MD, PHDDurham, NC 277101699746974
  5. Pooja Karukonda, MDDurham, NC 277101245793512
  6. David Kirsch, MDDurham, NC 277101932181039
  7. William Lee, MDDurham, NC 277101982688370
  8. Susan McDuff, MD, PHDDurham, NC 277101861810756

Common questions

What is Christopher Ryan Kelsey, M.D.'s NPI number?

Christopher Ryan Kelsey, M.D.'s National Provider Identifier (NPI) is 1164552865, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Ryan Kelsey, M.D. located?

The NPPES record lists a practice address at Morris Building, Science Drive, Room 05135, Durham, NC, 27710. Phone: (919) 668-5213. Providers update this record themselves, so call before visiting.

How can I verify Christopher Ryan Kelsey, M.D.'s license?

Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Ryan Kelsey, M.D. prescribe under Medicare Part D?

In 2024, Christopher Ryan Kelsey, M.D. had 62 Medicare Part D claims for 35 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.