Dr. Graham Walter Warren, MD

  • Morehead, KY
  • Radiation oncologist
NPI1043473739PAC ID8325192198
Medicare services, 2024
394
Medicare patients, 2024
112
Part D claims, 2023
12
Publications
126
Clinical trials
4
Practice address
222 Medical Circle, Morehead, KY 40351
Practice phone
Call (606) 783-6500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UK St. Claire Regional Medical Center

Hospital · Morehead, Kentucky

See all 7 affiliations

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Dr. Graham Walter Warren is a radiation oncologist in Morehead, Kentucky

Dr. Warren practices at UK St. Claire Regional Medical Center in Morehead, Kentucky, part of UK Healthcare.

Dr. Warren's NPI, 1043473739, was assigned on July 3, 2008. Dr. Warren graduated from University of Kentucky College of Medicine in 2004. Dr. Warren holds South Carolina license 35282.

NPI and contact details
Medicare PAC ID
8325192198
NPI enumeration date
July 3, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(606) 783-6500
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Graham Walter Warren practices at UK St. Claire Regional Medical Center in Morehead, Kentucky

Dr. Warren's primary practice is UK St. Claire Regional Medical Center, at 222 Medical Circle, Morehead, KY 40351 in Rowan County. The practice phone is (606) 783-6500.

Source: Dmand AI Affiliation Data

Dr. Graham Walter Warren is affiliated with 4 sites of care and 3 medical groups

Dr. Warren's primary practice is UK St. Claire Regional Medical Center in Morehead, Kentucky, part of UK Healthcare. Dr. Warren is also affiliated with University of Kentucky Albert B. Chandler Hospital. The medical group on file is UK HealthCare. Dmand AI also links Dr. Warren to 2 more medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 7 affiliations for Dr. Warren

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

Dmand AI tracks the EHR system at Dr. Graham Walter Warren's practice

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

EHR by site
SiteEHR vendor and product
UK St. Claire Regional Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Graham Walter Warren is one of 90 radiation oncologists in Kentucky

Radiation oncology is Dr. Warren's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Warren's licenses on file in 2 states: South Carolina and New York.

Specialties and state licenses

  • Radiation oncology, South CarolinaPrimaryLicense 35282 · taxonomy 2085R0001X
  • Therapeutic radiology, New YorkLicense 253883 · taxonomy 2085R0203X

Radiation oncologists near Dr. Warren

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

Dr. Graham Walter Warren billed Medicare for 394 services in 2024

CMS data shows 394 Medicare services from Dr. Warren across 11 procedure codes in 2024, for 112 Medicare patients. Medicare paid $26,077 for them.

Medicare services, 2024394
Medicare patients112
Paid by Medicare$26,077
Procedure codes11

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

  • 2023
  • 2024
Imaging
2023: 6292024: 32648%
Office and hospital visits
2023: 1032024: 6834%
Other services
2023: 492024: 0100%

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

  • In an office5815%
  • In a facility33685%

Dr. Warren compared with the Kentucky median for radiation oncologists, 2024

  • Dr. Warren
  • Kentucky median
Medicare services
394vs 1,09664% below
Medicare patients
112vs 15628% below
Part D claims
12vs 4473% below

Medians across 89 radiation oncologists in Kentucky with Dmand AI profiles that report each measure.

Dr. Warren'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. Warren

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

Dr. Graham Walter Warren treated 112 Medicare patients in 2024, average age 75

CMS counts 112 Medicare patients who saw Dr. Warren in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have cancer, and 75% have high blood pressure. Their average risk score is 1.77, 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. Warren's median patient age at 69, with 56% women.

Medicare patients, 2024112
Average age75
Average risk score1.77

Dr. Warren's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Warren's Medicare patients by sex, 2024

  • Women4742%
  • Men6558%

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

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Arthritis45%
  5. COPD29%
  6. Ischemic heart disease29%
  7. Chronic kidney disease21%
  8. Diabetes21%

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

Dr. Warren'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

  • Women56%
  • Men44%

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

Dr. Graham Walter Warren wrote 12 Medicare Part D claims in 2023

In 2023, Dr. Warren wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $4,581 in total drug cost.

Part D claims, 202312
Drugs named by CMS1
Total drug cost$4,581

Dr. Warren'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.

See all prescribing by Dr. Warren

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

Dr. Graham Walter Warren scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Warren for performance year 2024, reported as part of a group. Dr. Warren accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Warren's MIPS scores, performance year 2024

  • 79of 100Final score
  • 62.4of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

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

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Dr. Graham Walter Warren has 126 publications on record

Dmand AI links 126 papers to Dr. Warren, published from 2010 to 2025. 2020 was the busiest year, with 14. The most frequent topics are Smoking Cessation, Smoking and Lung Neoplasms. Dr. Warren has published most often in J Thorac Oncol. Dr. Warren's most frequent co-authors are Carolyn Marie Dresler, MD, MPA, Michael C. Fiore, MD, MPH and Li-Shiun Chen, MD.

Papers126
Years published2010 to 2025

Dr. Warren's papers by year, 2015 to 2025

Topics Dr. Warren writes about most

  • Smoking Cessation
  • Smoking
  • Lung Neoplasms
  • Tobacco Use
  • COVID-19
  • Medical Oncology
  • Head and Neck Neoplasms
  • Nicotine

Dr. Warren's most frequent co-authors

Recent publications by Dr. Warren

See all 126 publications and co-authors

See who Dr. Warren researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Warren 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. Graham Walter Warren has worked on 4 clinical trials

Dmand AI links Dr. Warren to 4 clinical trials. Conditions studied include Squamous Cell Carcinoma of Head and Neck, Carcinoma, Squamous Cell and Head and Neck Neoplasms. Medical University of South Carolina sponsors the most, 3.

Conditions in Dr. Warren's trials

  • Squamous Cell Carcinoma of Head and Neck
  • Carcinoma, Squamous Cell
  • Head and Neck Neoplasms
  • Nasopharyngeal Carcinoma
  • Nasopharyngeal Diseases

Investigators on the most trials with Dr. Warren

Recent clinical trials with Dr. Warren

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Graham Walter Warren received $4,101 in industry payments from 2022 to 2025

CMS Open Payments shows 15 general payments to Dr. Warren from 2 drug and device companies from 2022 to 2025. Consulting fees make up the largest share, 86% of the total. Siemens Medical Solutions USA, Inc. paid the most, $3,964.

General payments to Dr. Warren by program year, 2022 to 2025

General payments to Dr. Warren by kind, 2022 to 2025

$4.1Kin total
  • Consulting fees$3,50986%
  • Food and beverage$59214%

Companies that paid Dr. Warren the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Warren

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

Dr. Graham Walter Warren graduated from University of Kentucky College of Medicine

Dr. Warren graduated from University of Kentucky College of Medicine in 2004.

  1. Medical schoolUniversity of Kentucky College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Graham Walter Warren'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)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Graham Walter Warren

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. Graham Walter Warren's NPI number?

Dr. Graham Walter Warren's NPI number is 1043473739. It was assigned on July 3, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Graham Walter Warren?

Dr. Graham Walter Warren is a radiation oncologist in Morehead, Kentucky. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Graham Walter Warren practice?

Dr. Warren practices at 222 Medical Circle, Morehead, KY 40351. Dr. Warren's primary practice is UK St. Claire Regional Medical Center in Morehead, Kentucky, part of UK Healthcare. Dmand AI also links Dr. Warren to 2 medical groups, 1 group practice or clinic and 1 home health agency.

What is Dr. Graham Walter Warren's office phone number?

The practice phone on file for Dr. Warren is (606) 783-6500.

What is Dr. Graham Walter Warren's medical license number?

Dr. Warren holds South Carolina license 35282, one of the licenses on file in 2 states.

Which states has Dr. Graham Walter Warren been licensed in?

Dmand AI has state licenses on file for Dr. Warren in South Carolina and New York.

Which hospitals is Dr. Graham Walter Warren affiliated with?

Dr. Warren practices at UK St. Claire Regional Medical Center in Morehead, Kentucky. Dr. Warren is also affiliated with University of Kentucky Albert B. Chandler Hospital.

What medical group is Dr. Graham Walter Warren part of?

Dr. Warren is linked to UK HealthCare. Dmand AI links Dr. Warren to 2 more medical groups.

Does Dr. Graham Walter Warren accept Medicare?

Yes. CMS data shows Dr. Warren billed Medicare for 394 services in 2024, and Dr. Warren accepts Medicare assignment.

What is Dr. Graham Walter Warren's MIPS score?

Dr. Warren's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Graham Walter Warren see?

CMS counts 112 Medicare patients who saw Dr. Warren in 2024, with an average age of 75.

What services does Dr. Graham Walter Warren bill to Medicare?

In 2024, Dr. Warren's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and office visit, established patient (99213).

Where did Dr. Graham Walter Warren go to medical school?

Dr. Warren graduated from University of Kentucky College of Medicine in 2004.

What drugs does Dr. Graham Walter Warren prescribe most?

In 2023 Medicare Part D data, Dr. Warren's most prescribed drugs by claims were Varenicline Tartrate.

Has Dr. Graham Walter Warren received payments from drug or device companies?

CMS Open Payments shows $4,101 in general payments to Dr. Warren from 2 companies from 2022 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.

How long has Dr. Graham Walter Warren been practicing?

Dr. Warren graduated from medical school in 2004, 22 years ago.

Does Dr. Graham Walter Warren do research?

Dmand AI links 126 publications to Dr. Warren, published from 2010 to 2025. Dr. Warren has worked on 4 clinical trials.

Who does Dr. Graham Walter Warren publish with?

Dr. Warren's most frequent co-authors are Carolyn Marie Dresler, MD, MPA (11 shared papers), Michael C. Fiore, MD, MPH (8 shared papers) and Li-Shiun Chen, MD (7 shared papers).

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