James C. Nelson

  • Redlands, CA
  • Radiation oncologist
NPI1699962936PAC ID8426229808
Medicare services, 2024
929
Medicare patients, 2024
41
Part D claims, 2024
68
Hospital affiliations
1
Industry payments
$298
Practice address
350 Terracina Blvd, Redlands, CA 92373
Practice phone
Call (909) 335-5500
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Redlands Community Hospital

Hospital · Redlands, California

See all 1 affiliations

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James C. Nelson is a radiation oncologist in Redlands, California

James Nelson practices at Redlands Community Hospital in Redlands, California, part of Redlands Community Hospital.

James Nelson's NPI, 1699962936, was assigned on October 1, 2007. James Nelson graduated from Loma Linda University School Of Medicine in 2006. James Nelson's California license number on file is A104003.

NPI and contact details
Medicare PAC ID
8426229808
NPI enumeration date
October 1, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 335-5500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2006

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

James C. Nelson practices at Redlands Community Hospital in Redlands, California

James Nelson's primary practice is Redlands Community Hospital, at 350 Terracina Blvd, Redlands, CA 92373 in San Bernardino County. The practice phone is (909) 335-5500.

Source: Dmand AI Affiliation Data

James C. Nelson is affiliated with 1 site of care

James Nelson's primary practice is Redlands Community Hospital in Redlands, California, part of Redlands Community Hospital. James Nelson's employer is on file too: a hospital.

See James Nelson's affiliation in Dmand AI

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

Dmand AI tracks the EHR system at James C. Nelson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where James Nelson practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Redlands Community HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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James C. Nelson is one of 685 radiation oncologists in California

Radiation oncology is James Nelson's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. James Nelson is board certified in radiation oncology by the American Board of Radiology. Dmand AI has James Nelson's licenses on file in 3 states: California, Kansas and Puerto Rico.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense A104003 · 2008 to 2025 · taxonomy 2085R0001X
  • Kansas license1963 to 2016
  • Puerto Rico license2014 to 2016

Clinical focus

Dmand AI lists anal cancer radiation, breast cancer radiation, cancer radiation-upper GI, lung cancer radiation and prostate cancer radiation among the conditions James Nelson treats.

Radiation oncologists near James Nelson

Counts of radiation oncologists 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

James C. Nelson billed Medicare for 929 services in 2024

CMS data shows 929 Medicare services from James Nelson across 13 procedure codes in 2024, for 41 Medicare patients. Medicare paid $54,817 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024929
Medicare patients41
Paid by Medicare$54,817
Procedure codes13

James Nelson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 4392024: 57631%
Other services
2023: 2912024: 32311%
Office and hospital visits
2023: 02024: 30

James Nelson compared with the California median for radiation oncologists, 2024

  • James Nelson
  • California median
Medicare services
929vs 1,44436% below
Medicare patients
41vs 16475% below
Part D claims
12vs 3263% below

Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.

James Nelson'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.

See all procedures by James Nelson

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Medicare shows one payer. Book a meeting to get commercial claims data for James Nelson and other radiation oncologists in California.

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

James C. Nelson treated 41 Medicare patients in 2024, average age 77

CMS counts 41 Medicare patients who saw James Nelson in 2024. The largest group is 75 to 84, with 17 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts James Nelson's median patient age at 71, with 53% women.

Medicare patients, 202441
Average age77
Average risk score1.67

James Nelson's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

James Nelson's Medicare patients by sex, 2024

  • Women2254%
  • Men1946%

Chronic conditions among James Nelson's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol71%
  4. Arthritis66%
  5. Chronic kidney disease39%
  6. Diabetes34%

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

James Nelson's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women53%
  • Men46%

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

James C. Nelson wrote 68 Medicare Part D claims in 2024

In 2024, James Nelson wrote 68 Medicare Part D claims for 30 patients. 88% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $1,708 in total drug cost. In 2023, CMS named 21 claims across 1 drug.

Part D claims, 202468
Drugs named by CMS1
Total drug cost$1,708
Part D patients30

James Nelson's Part D claims by kind of drug, 2024

  • Generic60 claims88%
  • Brand-name and other8 claims12%

James Nelson'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 212024: 1243%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by James Nelson

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 James C. Nelson takes part in Medicare

James Nelson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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James C. Nelson received $298 in industry payments from 2017 to 2025

CMS Open Payments shows 10 general payments to James Nelson from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $100.

General payments to James Nelson by program year, 2017 to 2025

Companies that paid James Nelson the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to James Nelson

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

James C. Nelson graduated from Loma Linda University School Of Medicine

James Nelson graduated from Loma Linda University School Of Medicine in 2006.

  1. Medical schoolLoma Linda University School Of Medicine
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

James C. Nelson accepts plans from 14 insurance carriers

James Nelson is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types James Nelson accepts, by number of carriers

  1. PPO9
  2. Medicare8
  3. HMO6
  4. POS5
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for James C. Nelson'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)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 James C. Nelson

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is James C. Nelson's NPI number?

James C. Nelson's NPI number is 1699962936. It was assigned on October 1, 2007, and it is active in the NPI Registry.

What does James C. Nelson specialize in?

James C. Nelson is a radiation oncologist in Redlands, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does James C. Nelson practice?

James Nelson practices at 350 Terracina Blvd, Redlands, CA 92373. James Nelson's primary practice is Redlands Community Hospital in Redlands, California, part of Redlands Community Hospital.

What is James C. Nelson's office phone number?

The practice phone on file for James Nelson is (909) 335-5500.

What is James C. Nelson's medical license number?

James Nelson's California license number on file is A104003, one of the licenses on file in 3 states.

Which states has James C. Nelson been licensed in?

Dmand AI has state licenses on file for James Nelson in California (2008 to 2025), Kansas (1963 to 2016) and Puerto Rico (2014 to 2016).

Which hospitals is James C. Nelson affiliated with?

James Nelson practices at Redlands Community Hospital in Redlands, California.

Does James C. Nelson accept Medicare?

Yes. CMS data shows James Nelson billed Medicare for 929 services in 2024, and James Nelson accepts Medicare assignment.

How many Medicare patients does James C. Nelson see?

CMS counts 41 Medicare patients who saw James Nelson in 2024, with an average age of 77.

Is James C. Nelson board certified?

Yes. James Nelson is board certified in radiation oncology by the American Board of Radiology.

Show 6 more questionsShow fewer questions

What services does James C. Nelson bill to Medicare?

In 2024, James Nelson's most billed Medicare services were medicare service (G6002), radiation oncology (77300) and radiation oncology (77427).

Where did James C. Nelson go to medical school?

James Nelson graduated from Loma Linda University School Of Medicine in 2006.

What drugs does James C. Nelson prescribe most?

In 2024 Medicare Part D data, James Nelson's most prescribed drugs by claims were Memantine HCl.

Has James C. Nelson received payments from drug or device companies?

CMS Open Payments shows $298 in general payments to James Nelson from 7 companies from 2017 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.

How long has James C. Nelson been practicing?

James Nelson graduated from medical school in 2006, 20 years ago.

What insurance does James C. Nelson accept?

James Nelson is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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