NPPES file of Aug 9, 2026

Joshua Caleb Farris, MD/PHD

Radiation Oncology Physician · Greenville, SC

Joshua Caleb Farris, MD/PHD is a radiation oncology physician with a practice address in Greenville, South Carolina, and NPI 1346744984, issued on Mar 20, 2018. Check the license (South Carolina 89879, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1346744984
Name
Joshua Caleb Farris
Credential
MD/PHD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
89879 SC
Self-reported in NPPES; status is on the state search
Practice location
104 Innovation Dr, Greenville, SC 29607
Phone
(864) 603-6200
Enumerated
Mar 20, 2018
Record last updated
Jun 19, 2023
Medicare enrollment
Enrolled (PECOS I20230830003014); accepts Medicare assignment
Medical or professional school
West Virginia University School Of Medicine, 2018
Telehealth
Offers telehealth (CMS)
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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Also registered at 104 Innovation Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexandra Brandenburg, PA-CPhysician Assistant1700035474
  2. Alana CoatsAcute Care Nurse Practitioner1366393217
  3. Sarah Loudermilk, APRNFamily Nurse Practitioner1770049009
  4. Kate McClellanFamily Nurse Practitioner1366927204
  5. Lillian Nicks, FNPFamily Nurse Practitioner1558641670
  6. Chelsea O'Brien, NPAcute Care Nurse Practitioner1245942002

Verify Joshua Caleb Farris in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 89879
    Check 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 South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% more Medicare Part D claims than the average radiation oncology physician in 2024

167 Medicare Part D claims for 78 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Joshua Farris167
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl99 claims
  2. Dexamethasone15 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. St Francis Hospital IncGreenville, SC

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

Joshua Caleb Farris among 80 radiation oncology physician records in South Carolina

Joshua Caleb Farris, MD/PHD is one of 80 radiation oncology physician records with a practice address in South Carolina. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 6% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2018 · median 2003 among the 62 with a school on file
  • Record last updated2023 · 56% 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 South 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 South Carolina

There are 80 radiation oncology physician records in South Carolina.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Jennifer Vogel, MDGreenville, SC 296071992141782
  2. Dale Duncan, MDGreenville, SC 296051679578009
  3. Samuel Faught, M.D.Greenville, SC 296051659469476
  4. Michael Greenbaum, M.D.Greenville, SC 296051164675559
  5. David Grisell, DOGreenville, SC 296051518959485
  6. David Lakomy, MDGreenville, SC 296051912583626
  7. Shirnett Matthews, MDGreenville, SC 296051144270810
  8. Emory McTyreGreenville, SC 296051972831071

Common questions

What is Joshua Caleb Farris, MD/PHD's NPI number?

Joshua Caleb Farris, MD/PHD's National Provider Identifier (NPI) is 1346744984, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Caleb Farris, MD/PHD located?

The NPPES record lists a practice address at 104 Innovation Dr, Greenville, SC, 29607. Phone: (864) 603-6200. Providers update this record themselves, so call before visiting.

How can I verify Joshua Caleb Farris, MD/PHD's license?

NPPES lists South Carolina license number 89879, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joshua Caleb Farris, MD/PHD prescribe under Medicare Part D?

In 2024, Joshua Caleb Farris, MD/PHD had 167 Medicare Part D claims for 78 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.