Dr. John Benjamin Wilkinson, MD

  • San Luis Obispo, CA
  • Radiation oncologist
NPI1568621803PAC ID0042452674
Medicare services, 2024
2,341
Medicare patients, 2024
405
Part D claims, 2024
67
Publications
4
Hospital affiliations
2
Practice address
100 Casa St, San Luis Obispo, CA 93405
Practice phone
Call (805) 736-8628
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

San Luis Obispo (Radiation Oncology)

San Luis Obispo, California

See all 7 affiliations

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Dr. John Benjamin Wilkinson is a radiation oncologist in San Luis Obispo, California

Dr. Wilkinson practices at San Luis Obispo (Radiation Oncology) in San Luis Obispo, California.

Dr. Wilkinson's NPI, 1568621803, was assigned on June 2, 2008. Dr. Wilkinson graduated from Texas A&M College of Medicine - Bryan in 2008. Dr. Wilkinson holds California license C156310.

NPI and contact details
Medicare PAC ID
0042452674
NPI enumeration date
June 2, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(805) 736-8628
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. John Benjamin Wilkinson practices at San Luis Obispo (Radiation Oncology) in San Luis Obispo, California

Dr. Wilkinson's primary practice is San Luis Obispo (Radiation Oncology), at 100 Casa St, San Luis Obispo, CA 93405 in San Luis Obispo County. The practice phone is (805) 736-8628.

  • San Luis Obispo (Radiation Oncology)
    100 Casa St, San Luis Obispo, CA 93405 · San Luis Obispo CountyPhone(805) 736-8628

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. John Benjamin Wilkinson is affiliated with 5 sites of care and 2 medical groups

Dr. Wilkinson's primary practice is San Luis Obispo (Radiation Oncology) in San Luis Obispo, California. Dr. Wilkinson is also affiliated with Dignity Health - Marian Regional Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Wilkinson to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Wilkinson

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Benjamin Wilkinson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wilkinson practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Luis Obispo (Radiation Oncology)Available with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Benjamin Wilkinson is one of 685 radiation oncologists in California

Radiation oncology is Dr. Wilkinson's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Wilkinson is board certified in radiation oncology by the American Board of Radiology. Dmand AI has Dr. Wilkinson's licenses on file in 4 states: California, Tennessee, Louisiana and Michigan.

Specialties and state licenses

  • Radiation oncology, CaliforniaPrimaryLicense C156310 · 2018 to 2026 · taxonomy 2085R0001X
  • Tennessee licenseLicense 55116 · 2016 to 2021
  • Louisiana licenseLicense MD.206016 · 2013 to 2016
  • Michigan license2009 to 2016

Clinical focus

Dmand AI lists bladder cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI, cervical cancer radiation, colorectal cancer radiation, head & neck cancer radiation and lung cancer radiation among the conditions Dr. Wilkinson treats.

Radiation oncologists near Dr. Wilkinson

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

685radiation oncologists in California
5radiation oncologists in San Luis Obispo

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

Dr. John Benjamin Wilkinson billed Medicare for 2,341 services in 2024

CMS data shows 2,341 Medicare services from Dr. Wilkinson across 19 procedure codes in 2024, for 405 Medicare patients. Medicare paid $185,445 for them.

Medicare services, 20242,341
Medicare patients405
Paid by Medicare$185,445
Procedure codes19

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

  • 2023
  • 2024
Imaging
2023: 2,4362024: 1,92521%
Office and hospital visits
2023: 2782024: 2587%
Other services
2023: 1592024: 1581%

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

  • In an office30913%
  • In a facility2,03287%

Dr. Wilkinson compared with the California median for radiation oncologists, 2024

  • Dr. Wilkinson
  • California median
Medicare services
2,341vs 1,44462% above
Medicare patients
405vs 1642.5 times
Part D claims
46vs 3244% above

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

Dr. Wilkinson'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 Dr. Wilkinson

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wilkinson 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

Dr. John Benjamin Wilkinson treated 405 Medicare patients in 2024, average age 75

CMS counts 405 Medicare patients who saw Dr. Wilkinson in 2024. The largest group is 65 to 74, with 177 patients. 75% of them have cancer, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.57, 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. Wilkinson's median patient age at 72, with 46% women.

Medicare patients, 2024405
Average age75
Average risk score1.57
Also on Medicaid18%

Dr. Wilkinson's Medicare patients by age, 2024

Dr. Wilkinson's Medicare patients by sex, 2024

  • Women17643%
  • Men22957%

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

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol73%
  4. Arthritis40%
  5. Diabetes30%
  6. Chronic kidney disease28%
  7. Ischemic heart disease22%
  8. Mood disorders21%

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

Dr. Wilkinson'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

  • Women46%
  • Men53%

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

Dr. John Benjamin Wilkinson wrote 67 Medicare Part D claims in 2024

In 2024, Dr. Wilkinson wrote 67 Medicare Part D claims for 29 patients. 91% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $844 in total drug cost. In 2022, CMS named 64 claims across 3 drugs.

Part D claims, 202467
Drugs named by CMS3
Total drug cost$844
Part D patients29

Dr. Wilkinson's Part D claims by kind of drug, 2024

  • Generic61 claims91%
  • Brand-name and other6 claims9%

Dr. Wilkinson's most prescribed drugs by claims, 2023

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, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 642023: 4628%

Drugs named by CMS: 3 in 2023, 3 in 2022.

See all prescribing by Dr. Wilkinson

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

Dr. John Benjamin Wilkinson offers telehealth to Medicare patients

Dr. Wilkinson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wilkinson as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John Benjamin Wilkinson has 4 publications on record

Dmand AI links 4 papers to Dr. Wilkinson, published from 2011 to 2016. 2011 was the busiest year, with 3. The most frequent topics are Breast Neoplasms, Brachytherapy and Neoplasm Grading. Dr. Wilkinson's most frequent co-authors are Mitual Amin, MD, Douglas W. Arthur, MD and Peter Chen, MD.

Papers4
Years published2011 to 2016

Topics Dr. Wilkinson writes about most

  • Breast Neoplasms
  • Brachytherapy
  • Neoplasm Grading
  • Tumor Burden

Dr. Wilkinson's most frequent co-authors

Recent publications by Dr. Wilkinson

See all 4 publications and co-authors

See who Dr. Wilkinson researches with

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

How network discovery works

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

Dr. John Benjamin Wilkinson received $22,118 in industry payments from 2016 to 2025

CMS Open Payments shows 89 general payments to Dr. Wilkinson from 21 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 35% of the total. Novocure Inc. paid the most, $15,315.

General payments to Dr. Wilkinson by program year, 2016 to 2025

General payments to Dr. Wilkinson by kind, 2016 to 2025

$22.1Kin total
  • Honoraria$7,70035%
  • Consulting fees$5,50025%
  • Travel and lodging$4,95122%
  • Food and beverage$2,96713%
  • Speaker and faculty fees$1,0005%

Companies that paid Dr. Wilkinson the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Wilkinson

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

Dr. John Benjamin Wilkinson graduated from Texas A&M College of Medicine - Bryan

Dr. Wilkinson graduated from Texas A&M College of Medicine - Bryan in 2008.

  1. Medical schoolTexas A&M College of Medicine - Bryan
  2. Board certified in radiation oncologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. John Benjamin Wilkinson accepts plans from 16 insurance carriers

Dr. Wilkinson is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Wilkinson accepts, by number of carriers

  1. PPO9
  2. HMO6
  3. Medicare6
  4. EPO3
  5. POS3
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. John Benjamin Wilkinson'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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
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 Dr. John Benjamin Wilkinson

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. John Benjamin Wilkinson's NPI number?

Dr. John Benjamin Wilkinson's NPI number is 1568621803. It was assigned on June 2, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. John Benjamin Wilkinson?

Dr. John Benjamin Wilkinson is a radiation oncologist in San Luis Obispo, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. John Benjamin Wilkinson practice?

Dr. Wilkinson practices at 100 Casa St, San Luis Obispo, CA 93405. Dr. Wilkinson's primary practice is San Luis Obispo (Radiation Oncology) in San Luis Obispo, California. Dmand AI also links Dr. Wilkinson to 1 hospital, 2 group practices and clinics and 1 medical group.

What is Dr. John Benjamin Wilkinson's office phone number?

The practice phone on file for Dr. Wilkinson is (805) 736-8628.

What is Dr. John Benjamin Wilkinson's medical license number?

Dr. Wilkinson holds California license C156310, one of the licenses on file in 4 states.

Which states has Dr. John Benjamin Wilkinson been licensed in?

Dmand AI has state licenses on file for Dr. Wilkinson in California (2018 to 2026), Tennessee (2016 to 2021), Louisiana (2013 to 2016) and Michigan (2009 to 2016).

Which hospitals is Dr. John Benjamin Wilkinson affiliated with?

Dr. Wilkinson is affiliated with Dignity Health - Marian Regional Medical Center. Dmand AI links Dr. Wilkinson to 1 more hospital.

What medical group is Dr. John Benjamin Wilkinson part of?

Dr. Wilkinson is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Wilkinson to 1 more medical group.

Does Dr. John Benjamin Wilkinson accept Medicare?

Yes. CMS data shows Dr. Wilkinson billed Medicare for 2,341 services in 2024, and Dr. Wilkinson accepts Medicare assignment.

Does Dr. John Benjamin Wilkinson offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Wilkinson as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. John Benjamin Wilkinson see?

CMS counts 405 Medicare patients who saw Dr. Wilkinson in 2024, with an average age of 75.

Is Dr. John Benjamin Wilkinson board certified?

Yes. Dr. Wilkinson is board certified in radiation oncology by the American Board of Radiology.

What services does Dr. John Benjamin Wilkinson bill to Medicare?

In 2024, Dr. Wilkinson's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

Where did Dr. John Benjamin Wilkinson go to medical school?

Dr. Wilkinson graduated from Texas A&M College of Medicine - Bryan in 2008.

What drugs does Dr. John Benjamin Wilkinson prescribe most?

In 2023 Medicare Part D data, Dr. Wilkinson's most prescribed drugs by claims were Memantine HCl, Tamsulosin HCl and Citalopram HBr.

Has Dr. John Benjamin Wilkinson received payments from drug or device companies?

CMS Open Payments shows $22,118 in general payments to Dr. Wilkinson from 21 companies from 2016 to 2025. The largest total came from Novocure Inc.

How long has Dr. John Benjamin Wilkinson been practicing?

Dr. Wilkinson graduated from medical school in 2008, 18 years ago.

Does Dr. John Benjamin Wilkinson do research?

Dmand AI links 4 publications to Dr. Wilkinson, published from 2011 to 2016.

Who does Dr. John Benjamin Wilkinson publish with?

Dr. Wilkinson's most frequent co-authors are Mitual Amin, MD (1 shared paper), Douglas W. Arthur, MD (1 shared paper) and Peter Chen, MD (1 shared paper).

What insurance does Dr. John Benjamin Wilkinson accept?

Dr. Wilkinson is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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