Dr. Ryan Thomson Kellogg, MD

  • Charlottesville, VA
  • Neurosurgeon
NPI1376805218PAC ID6709109515
Medicare services, 2024
430
Medicare patients, 2024
124
Part D claims, 2019
12
Publications
54
MIPS score, 2024
86
Practice address
1215 Lee St, Charlottesville, VA 22908
Practice phone
Call (434) 760-3439
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UVA University Medical Center

Charlottesville, Virginia

See all 5 affiliations

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Dr. Ryan Thomson Kellogg is a neurosurgeon in Charlottesville, Virginia

Dr. Kellogg practices at UVA University Medical Center in Charlottesville, Virginia.

Dr. Kellogg's NPI, 1376805218, was assigned on June 15, 2012. Dr. Kellogg graduated from Duke University School Of Medicine in 2012. Dr. Kellogg holds Virginia license 0101269846.

NPI and contact details
Medicare PAC ID
6709109515
NPI enumeration date
June 15, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(434) 760-3439
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Ryan Thomson Kellogg practices at UVA University Medical Center in Charlottesville, Virginia

Dr. Kellogg's primary practice is UVA University Medical Center, at 1215 Lee St, Charlottesville, VA 22908 in Charlottesville City. The practice phone is (434) 760-3439.

  • UVA University Medical Center
    1215 Lee St, Charlottesville, VA 22908 · Charlottesville CityPhone(434) 760-3439

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

Dr. Ryan Thomson Kellogg is affiliated with 4 sites of care and 1 medical group

Dr. Kellogg's primary practice is UVA University Medical Center in Charlottesville, Virginia. Dr. Kellogg is also affiliated with University Medical Center. The medical group on file is UVA Physicians Group. Dmand AI also links Dr. Kellogg to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Kellogg

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

Dmand AI tracks the EHR system at Dr. Ryan Thomson Kellogg's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kellogg practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UVA University Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ryan Thomson Kellogg is one of 166 neurosurgeons in Virginia

Neurological surgery is Dr. Kellogg's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Kellogg is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Kellogg's licenses on file in 3 states: Virginia, Washington and South Carolina.

Specialties and state licenses

  • Neurological surgery, VirginiaPrimaryLicense 0101269846 · 2020 to 2026 · taxonomy 207T00000X
  • Washington license2019 to 2021
  • South Carolina licenseLicense LL34898 · 2012 to 2019

Clinical focus

Dmand AI lists craniotomy and spinal fusion among the conditions Dr. Kellogg treats.

Neurosurgeons near Dr. Kellogg

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. Ryan Thomson Kellogg billed Medicare for 430 services in 2024

CMS data shows 430 Medicare services from Dr. Kellogg across 14 procedure codes in 2024, for 124 Medicare patients. Medicare paid $70,004 for them.

Medicare services, 2024430
Medicare patients124
Paid by Medicare$70,004
Procedure codes14

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

  • 2023
  • 2024
Surgery
2023: 1782024: 1896%
Imaging
2023: 1392024: 1411%
Office and hospital visits
2023: 632024: 7011%
Tests and treatments
2023: 292024: 303%

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

  • In an office7016%
  • In a facility36084%

Dr. Kellogg compared with the Virginia median for neurosurgeons, 2024

  • Dr. Kellogg
  • Virginia median
Medicare services
430vs 32034% above
Medicare patients
124vs 22244% below
Part D claims
12vs 3060% below

Medians across 151 neurosurgeons in Virginia with Dmand AI profiles that report each measure.

Dr. Kellogg'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. Kellogg

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

Dr. Ryan Thomson Kellogg treated 124 Medicare patients in 2024, average age 74

CMS counts 124 Medicare patients who saw Dr. Kellogg in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kellogg's median patient age at 64, with 58% women.

Medicare patients, 2024124
Average age74
Average risk score1.46

Dr. Kellogg's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Kellogg's Medicare patients by sex, 2024

  • Women6552%
  • Men5948%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Stroke or TIA64%
  4. Arthritis48%
  5. Mood disorders38%
  6. Ischemic heart disease36%
  7. Depression34%
  8. Anxiety31%

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

Dr. Kellogg's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

Dr. Ryan Thomson Kellogg wrote 12 Medicare Part D claims in 2019

In 2019, Dr. Kellogg wrote 12 Medicare Part D claims. They cover 1 drug, with $97 in total drug cost.

Part D claims, 201912
Drugs named by CMS1
Total drug cost$97

Dr. Kellogg's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Kellogg

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Ryan Thomson Kellogg scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Kellogg for performance year 2024, reported as part of a group. Dr. Kellogg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Kellogg's MIPS scores, performance year 2024

  • 86of 100Final score
  • 79.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Ryan Thomson Kellogg has 54 publications on record

Dmand AI links 54 papers to Dr. Kellogg, published from 2013 to 2024. 2023 was the busiest year, with 10. The most frequent topics are Thrombectomy, Stroke and Brain Ischemia. Dr. Kellogg has published most often in J Neurointerv Surg. Dr. Kellogg's most frequent co-authors are Alejandro Marin Spiotta, MD, Min S. Park, MD and Panagiotis Mastorakos, MD.

Papers54
Years published2013 to 2024

Dr. Kellogg's papers by year, 2014 to 2024

Topics Dr. Kellogg writes about most

  • Thrombectomy
  • Stroke
  • Brain Ischemia
  • Embolization, Therapeutic
  • COVID-19
  • Endovascular Procedures
  • Hematoma, Subdural, Chronic
  • Ischemic Stroke

Dr. Kellogg's most frequent co-authors

Recent publications by Dr. Kellogg

See all 54 publications and co-authors

See who Dr. Kellogg researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kellogg 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. Ryan Thomson Kellogg received $245,320 in industry payments from 2017 to 2025

CMS Open Payments shows 244 general payments to Dr. Kellogg from 19 drug and device companies from 2017 to 2025. Royalties and licenses make up the largest share, 44% of the total. Viz.ai, Inc. paid the most, $107,911.

General payments to Dr. Kellogg by program year, 2017 to 2025

General payments to Dr. Kellogg by kind, 2017 to 2025

$245.3Kin total
  • Royalties and licenses$107,30044%
  • Consulting fees$91,95237%
  • Travel and lodging$33,49814%
  • Food and beverage$8,8704%
  • Other$3,7002%

Companies that paid Dr. Kellogg the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kellogg

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

Dr. Ryan Thomson Kellogg graduated from Duke University School Of Medicine

Dr. Kellogg graduated from Duke University School Of Medicine in 2012. Dr. Kellogg is a member of CNS.

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

Source: Dmand AI Professional Profile Data

Dr. Ryan Thomson Kellogg accepts plans from 18 insurance carriers

Dr. Kellogg is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Molina
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +10 more carriersWith a free account

Plan types Dr. Kellogg accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO8
  4. EPO4
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Ryan Thomson Kellogg'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Ryan Thomson Kellogg

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. Ryan Thomson Kellogg's NPI number?

Dr. Ryan Thomson Kellogg's NPI number is 1376805218. It was assigned on June 15, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan Thomson Kellogg?

Dr. Ryan Thomson Kellogg is a neurosurgeon in Charlottesville, Virginia. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Ryan Thomson Kellogg practice?

Dr. Kellogg practices at 1215 Lee St, Charlottesville, VA 22908. Dr. Kellogg's primary practice is UVA University Medical Center in Charlottesville, Virginia. Dmand AI also links Dr. Kellogg to 1 hospital and 1 group practice or clinic.

What is Dr. Ryan Thomson Kellogg's office phone number?

The practice phone on file for Dr. Kellogg is (434) 760-3439.

What is Dr. Ryan Thomson Kellogg's medical license number?

Dr. Kellogg holds Virginia license 0101269846, one of the licenses on file in 3 states.

Which states has Dr. Ryan Thomson Kellogg been licensed in?

Dmand AI has state licenses on file for Dr. Kellogg in Virginia (2020 to 2026), Washington (2019 to 2021) and South Carolina (2012 to 2019).

Which hospitals is Dr. Ryan Thomson Kellogg affiliated with?

Dr. Kellogg is affiliated with University Medical Center. Dmand AI links Dr. Kellogg to 1 more hospital.

What medical group is Dr. Ryan Thomson Kellogg part of?

Dr. Kellogg is linked to UVA Physicians Group.

Does Dr. Ryan Thomson Kellogg accept Medicare?

Yes. CMS data shows Dr. Kellogg billed Medicare for 430 services in 2024, and Dr. Kellogg accepts Medicare assignment.

What is Dr. Ryan Thomson Kellogg's MIPS score?

Dr. Kellogg's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ryan Thomson Kellogg see?

CMS counts 124 Medicare patients who saw Dr. Kellogg in 2024, with an average age of 74.

Is Dr. Ryan Thomson Kellogg board certified?

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

What services does Dr. Ryan Thomson Kellogg bill to Medicare?

In 2024, Dr. Kellogg's most billed Medicare services were ultrasound (76937), surgery: heart and blood vessels (36224) and surgery: heart and blood vessels (36227).

Where did Dr. Ryan Thomson Kellogg go to medical school?

Dr. Kellogg graduated from Duke University School Of Medicine in 2012.

What drugs does Dr. Ryan Thomson Kellogg prescribe most?

In 2019 Medicare Part D data, Dr. Kellogg's most prescribed drugs by claims were Hydrocodone-Acetaminophen.

Has Dr. Ryan Thomson Kellogg received payments from drug or device companies?

CMS Open Payments shows $245,320 in general payments to Dr. Kellogg from 19 companies from 2017 to 2025. The largest total came from Viz.ai, Inc.

How long has Dr. Ryan Thomson Kellogg been practicing?

Dr. Kellogg graduated from medical school in 2012, 14 years ago.

Does Dr. Ryan Thomson Kellogg do research?

Dmand AI links 54 publications to Dr. Kellogg, published from 2013 to 2024.

Who does Dr. Ryan Thomson Kellogg publish with?

Dr. Kellogg's most frequent co-authors are Alejandro Marin Spiotta, MD (12 shared papers), Min S. Park, MD (9 shared papers) and Panagiotis Mastorakos, MD (8 shared papers).

What insurance does Dr. Ryan Thomson Kellogg accept?

Dr. Kellogg is in network with 18 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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