Dr. James Daniel Dillon Jr., MD

  • Knoxville, TN
  • Neurosurgeon
NPI1285736702
Medicare services, 2023
141
Part D claims, 2024
27
Publications
6
Industry payments
$3,855
Affiliated sites
1
Practice address
410 University Pkwy Ste 1520 Suite 1520, Aiken, SC 29801
Practice phone
Call (803) 502-8400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy)

Multi-specialty group site · Aiken, South Carolina

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Dr. James Daniel Dillon Jr. is a neurosurgeon in Knoxville, Tennessee

Dr. Dillon practices at Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy) in Aiken, South Carolina.

Dr. Dillon's NPI, 1285736702, was assigned on September 4, 2006. Dr. Dillon graduated from Vanderbilt University School Of Medicine in 1972. Dr. Dillon's South Carolina license number on file is 32617.

NPI and contact details
NPI enumeration date
September 4, 2006
NPI status
Active
Practice phone
(803) 502-8400
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
80
Medical school graduation
1972

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

Dr. James Daniel Dillon Jr. practices in Aiken and Knoxville

Dr. Dillon's primary practice is Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy), at 410 University Pkwy Ste 1520 Suite 1520, Aiken, SC 29801. The practice phone is (803) 502-8400. The NPI Registry lists Dr. Dillon's practice address as 1924 Alcoa Hwy, Knoxville, TN 37920.

  • Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy)Primary
    410 University Pkwy Ste 1520 Suite 1520, Aiken, SC 29801Phone(803) 502-8400
  • NPI Registry address
    1924 Alcoa Hwy, Knoxville, TN 37920 · Knox CountyPhone(803) 502-8400

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

Dr. James Daniel Dillon Jr. is affiliated with 1 site of care and 1 medical group

Dr. Dillon's primary practice is Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy) in Aiken, South Carolina. The medical group on file is Aiken Regional Medical Centers.

Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy)Multi-specialty group site · Aiken, South CarolinaPrimary
Aiken Regional Medical CentersBehavioral and mental health group, Aiken, SC

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. James Daniel Dillon Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy)Available with a free account

Source: Dmand AI Technology Install Data

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Dr. James Daniel Dillon Jr. is one of 162 neurosurgeons in Tennessee

Neurological surgery is Dr. Dillon's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Dillon is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Dillon's licenses on file in 4 states: South Carolina, Georgia, Virginia and Tennessee.

Specialties and state licenses

  • Neurological surgery, South CarolinaPrimaryLicense 632617 · 2010 to 2025 · taxonomy 207T00000X
  • Georgia license
  • Virginia license1977 to 2012
  • Tennessee license1972 to 2004

Clinical focus

Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, neck pain and spine problems and thoracic spine disorders among the conditions Dr. Dillon treats.

Neurosurgeons near Dr. Dillon

Counts of neurosurgeons 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

Dr. James Daniel Dillon Jr. billed Medicare for 141 services in 2023

CMS data shows 141 Medicare services from Dr. Dillon across 4 procedure codes in 2023. Medicare paid $6,577 for them.

Medicare services, 2023141
Paid by Medicare$6,577
Procedure codes4

Dr. Dillon's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 4712023: 14170%

Where Dr. Dillon's Medicare services took place, 2023

  • In an office7956%
  • In a facility6244%

Dr. Dillon compared with the Tennessee median for neurosurgeons, 2023

  • Dr. Dillon
  • Tennessee median
Medicare services
141vs 36261% below
Part D claims
36vs 5838% below

Medians across 146 neurosurgeons in Tennessee with Dmand AI profiles that report each measure.

Dr. Dillon's most billed Medicare procedure codes, 2023

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. Dillon

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dillon and other neurosurgeons in Tennessee.

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

Dr. James Daniel Dillon Jr.'s patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Dr. Dillon's median patient age at 69, with 67% women.

Dr. Dillon's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Dr. James Daniel Dillon Jr. wrote 27 Medicare Part D claims in 2024

In 2024, Dr. Dillon wrote 27 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $406 in total drug cost. In 2022, CMS named 120 claims across 6 drugs.

Part D claims, 202427
Drugs named by CMS2
Total drug cost$406

Dr. Dillon'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: 1202023: 3670%

Drugs named by CMS: 2 in 2023, 6 in 2022.

See all prescribing by Dr. Dillon

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

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Dr. James Daniel Dillon Jr. has 6 publications on record

Dmand AI links 6 papers to Dr. Dillon. The most frequent topics are Brain Injuries, Military Medicine and Wounds, Penetrating. Dr. Dillon has published most often in J Neurosurg.

Papers6

Topics Dr. Dillon writes about most

  • Brain Injuries
  • Military Medicine
  • Wounds, Penetrating
  • Vietnam
  • Skull

Recent publications by Dr. Dillon

See all 6 publications and co-authors

See who Dr. Dillon researches with

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

How network discovery works

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

Dr. James Daniel Dillon Jr. received $3,855 in industry payments from 2016 to 2024

CMS Open Payments shows 182 general payments to Dr. Dillon from 50 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 97% of the total. Janssen Pharmaceuticals, Inc paid the most, $333.

General payments to Dr. Dillon by program year, 2016 to 2024

General payments to Dr. Dillon by kind, 2016 to 2024

$3.9Kin total
  • Food and beverage$3,75897%
  • Travel and lodging$912%
  • Education$60%

Companies that paid Dr. Dillon the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Dillon

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

Dr. James Daniel Dillon Jr. has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Dillon.

Awards and honors for Dr. Dillon

  1. Undated
    • AANS Fellow
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. James Daniel Dillon Jr. graduated from Vanderbilt University School Of Medicine

Dr. Dillon graduated from Vanderbilt University School Of Medicine in 1972. Dr. Dillon is a member of AANS, ACS and CNS.

  1. Medical schoolVanderbilt University School Of Medicine
  2. Board certified in neurological surgeryAmerican Board of Neurological Surgery

Source: Dmand AI Professional Profile Data

Dr. James Daniel Dillon Jr. accepts plans from 4 insurance carriers

Dr. Dillon is in network with 4 carriers, including Aetna, United Healthcare and GA State Medicaid. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • GA State Medicaid
  • Molina

Plan types Dr. Dillon accepts, by number of carriers

  1. HMO2
  2. Medicaid2
  3. Medicare2
  4. EPO1
  5. POS1
  6. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. James Daniel Dillon Jr.'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Data
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)
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)
Awards and committee rolesDmand AI Professional Profile Data
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. James Daniel Dillon Jr.

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 Daniel Dillon Jr.'s NPI number?

Dr. James Daniel Dillon Jr.'s NPI number is 1285736702. It was assigned on September 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. James Daniel Dillon Jr.?

Dr. James Daniel Dillon Jr. is a neurosurgeon in Knoxville, Tennessee. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. James Daniel Dillon Jr. practice?

Dr. Dillon practices at 410 University Pkwy Ste 1520 Suite 1520, Aiken, SC 29801. Dr. Dillon also practices at 1924 Alcoa Hwy, Knoxville, TN 37920. Dr. Dillon's primary practice is Aiken Regional Medical Center - Primary Care - Aiken (University Pkwy) in Aiken, South Carolina.

What is Dr. James Daniel Dillon Jr.'s office phone number?

The practice phone on file for Dr. Dillon is (803) 502-8400.

What is Dr. James Daniel Dillon Jr.'s medical license number?

Dr. Dillon's South Carolina license number on file is 32617, one of the licenses on file in 4 states.

Which states has Dr. James Daniel Dillon Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Dillon in South Carolina (2010 to 2025), Georgia, Virginia (1977 to 2012) and Tennessee (1972 to 2004).

What medical group is Dr. James Daniel Dillon Jr. part of?

Dr. Dillon is linked to Aiken Regional Medical Centers.

Does Dr. James Daniel Dillon Jr. accept Medicare?

Yes. CMS data shows Dr. Dillon billed Medicare for 141 services in 2023.

Is Dr. James Daniel Dillon Jr. board certified?

Yes. Dr. Dillon is board certified in neurological surgery by the American Board of Neurological Surgery.

What services does Dr. James Daniel Dillon Jr. bill to Medicare?

In 2023, Dr. Dillon's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99231) and hospital inpatient care (99221).

Show 6 more questionsShow fewer questions

Where did Dr. James Daniel Dillon Jr. go to medical school?

Dr. Dillon graduated from Vanderbilt University School Of Medicine in 1972.

What drugs does Dr. James Daniel Dillon Jr. prescribe most?

In 2023 Medicare Part D data, Dr. Dillon's most prescribed drugs by claims were Gabapentin and Oxycodone-Acetaminophen.

Has Dr. James Daniel Dillon Jr. received payments from drug or device companies?

CMS Open Payments shows $3,855 in general payments to Dr. Dillon from 50 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. James Daniel Dillon Jr. been practicing?

Dr. Dillon graduated from medical school in 1972, 54 years ago.

Does Dr. James Daniel Dillon Jr. do research?

Dmand AI links 6 publications to Dr. Dillon.

What insurance does Dr. James Daniel Dillon Jr. accept?

Dr. Dillon is in network with 4 carriers, including Aetna, United Healthcare and GA State Medicaid. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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