Dr. Gregory H. Carlsen, MD
- Medicare services, 2024
- 3,371
- Medicare patients, 2024
- 114
- Part D claims, 2024
- 161
- Hospital affiliations
- 2
- Industry payments
- $5,485
- Practice address
- 520 Techwood Dr, Danville, KY 40422
- Practice phone
- Call (502) 223-3551
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bluegrass Radiation Oncology Center
Danville, Kentucky
Find Dr. Carlsen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory H. Carlsen is a radiation oncologist in Danville, Kentucky
Dr. Carlsen practices at Bluegrass Radiation Oncology Center in Danville, Kentucky.
Dr. Carlsen's NPI, 1306831516, was assigned on September 14, 2005. Dr. Carlsen graduated from University of Kentucky College of Medicine in 1995. Dr. Carlsen holds Kentucky license 32606.
- NPI
- 1306831516NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092610576
- NPI enumeration date
- September 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (502) 223-3551
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory H. Carlsen practices at Bluegrass Radiation Oncology Center in Danville, Kentucky
Dr. Carlsen's primary practice is Bluegrass Radiation Oncology Center, at 520 Techwood Dr, Danville, KY 40422 in Boyle County. The practice phone is (502) 223-3551.
- Bluegrass Radiation Oncology Center520 Techwood Dr, Danville, KY 40422 · Boyle CountyPhone(502) 223-3551
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory H. Carlsen is affiliated with 4 sites of care
Dr. Carlsen's primary practice is Bluegrass Radiation Oncology Center in Danville, Kentucky. Dr. Carlsen is also affiliated with Ephraim McDowell Regional Medical Center. Dmand AI also links Dr. Carlsen to 1 more hospital and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory H. Carlsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carlsen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bluegrass Radiation Oncology Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory H. Carlsen is one of 90 radiation oncologists in Kentucky
Radiation oncology is Dr. Carlsen's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Carlsen is licensed in Kentucky.
Specialties and state licenses
- Radiation oncology, KentuckyPrimary
Radiation oncologists near Dr. Carlsen
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. Gregory H. Carlsen billed Medicare for 3,371 services in 2024
CMS data shows 3,371 Medicare services from Dr. Carlsen across 14 procedure codes in 2024, for 114 Medicare patients. Medicare paid $525,334 for them. Every service was in an office.
Dr. Carlsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,0532024: 2,10731%
- Other services
- 2023: 1,6322024: 1,14730%
- Office and hospital visits
- 2023: 1332024: 11712%
Dr. Carlsen compared with the Kentucky median for radiation oncologists, 2024
- Dr. Carlsen
- Kentucky median
- Medicare services
- 3,371vs 1,0963.1 times
- Medicare patients
- 114vs 15627% below
- Part D claims
- 93vs 442.1 times
Medians across 89 radiation oncologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Carlsen'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Carlsen and other radiation oncologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory H. Carlsen treated 114 Medicare patients in 2024, average age 73
CMS counts 114 Medicare patients who saw Dr. Carlsen in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.63, 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. Carlsen's median patient age at 72, with 46% women.
Dr. Carlsen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Carlsen's Medicare patients by sex, 2024
- Women4539%
- Men6961%
Chronic conditions among Dr. Carlsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer71%
- Arthritis35%
- Diabetes33%
- Ischemic heart disease32%
- Anxiety30%
- COPD28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Carlsen'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. Gregory H. Carlsen wrote 161 Medicare Part D claims in 2024
In 2024, Dr. Carlsen wrote 161 Medicare Part D claims for 72 patients. 99% of them were for generic drugs. CMS names the drug for 93 of them, across 6 drugs with 11 or more claims each, at $1,889 in total drug cost. In 2023, CMS named 114 claims across 5 drugs.
Dr. Carlsen's Part D claims by kind of drug, 2024
- Generic160 claims99%
- Brand-name and other1 claims1%
Dr. Carlsen'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.
Drug classes CMS tracks in Dr. Carlsen's Part D claims, 2024
- Opioids26%42 of 161 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1142024: 9318%
Drugs named by CMS: 6 in 2024, 5 in 2023.
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 Dr. Gregory H. Carlsen takes part in Medicare
Dr. Carlsen 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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Dr. Gregory H. Carlsen received $5,485 in industry payments from 2016 to 2025
CMS Open Payments shows 299 general payments to Dr. Carlsen from 56 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $538.
General payments to Dr. Carlsen by program year, 2016 to 2025
General payments to Dr. Carlsen by kind, 2016 to 2025
- Food and beverage$5,25896%
- Gifts$2104%
- Education$170%
Companies that paid Dr. Carlsen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory H. Carlsen graduated from University of Kentucky College of Medicine
Dr. Carlsen graduated from University of Kentucky College of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory H. Carlsen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory H. Carlsen
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. Gregory H. Carlsen's NPI number?
Dr. Gregory H. Carlsen's NPI number is 1306831516. It was assigned on September 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory H. Carlsen?
Dr. Gregory H. Carlsen is a radiation oncologist in Danville, Kentucky. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Gregory H. Carlsen practice?
Dr. Carlsen practices at 520 Techwood Dr, Danville, KY 40422. Dr. Carlsen's primary practice is Bluegrass Radiation Oncology Center in Danville, Kentucky. Dmand AI also links Dr. Carlsen to 1 hospital and 1 physician office.
What is Dr. Gregory H. Carlsen's office phone number?
The practice phone on file for Dr. Carlsen is (502) 223-3551.
What is Dr. Gregory H. Carlsen's medical license number?
Dr. Carlsen holds Kentucky license 32606.
Which hospitals is Dr. Gregory H. Carlsen affiliated with?
Dr. Carlsen is affiliated with Ephraim McDowell Regional Medical Center. Dmand AI links Dr. Carlsen to 1 more hospital.
Does Dr. Gregory H. Carlsen accept Medicare?
Yes. CMS data shows Dr. Carlsen billed Medicare for 3,371 services in 2024, and Dr. Carlsen accepts Medicare assignment.
How many Medicare patients does Dr. Gregory H. Carlsen see?
CMS counts 114 Medicare patients who saw Dr. Carlsen in 2024, with an average age of 73.
What services does Dr. Gregory H. Carlsen bill to Medicare?
In 2024, Dr. Carlsen's most billed Medicare services were medicare service (G6015), radiation oncology (77014) and radiation oncology (77300).
Where did Dr. Gregory H. Carlsen go to medical school?
Dr. Carlsen graduated from University of Kentucky College of Medicine in 1995.
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What drugs does Dr. Gregory H. Carlsen prescribe most?
In 2024 Medicare Part D data, Dr. Carlsen's most prescribed drugs by claims were Lidocaine HCl Viscous, Hydrocodone-Acetaminophen and Fentanyl.
Has Dr. Gregory H. Carlsen received payments from drug or device companies?
CMS Open Payments shows $5,485 in general payments to Dr. Carlsen from 56 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gregory H. Carlsen been practicing?
Dr. Carlsen graduated from medical school in 1995, 31 years ago.
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