Gregory H. Carlsen, MD
Radiation Oncology Physician · Danville, KY
Gregory H. Carlsen, MD is a radiation oncology physician with a practice address in Danville, Kentucky, and NPI 1306831516, issued on Sep 14, 2005. Check the license (Kentucky 32606, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Gregory H. Carlsen
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 32606 KY
Self-reported in NPPES; status is on the state search - Practice location
- 204 S 2ND St, Danville, KY 40422
- Phone
- (859) 236-9819
- Enumerated
- Sep 14, 2005
- Record last updated
- Nov 23, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (859) 236-2192
- Medicaid ID
- 1859601 KY
- Medicare enrollment
- Enrolled (PECOS I20031208000096); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 88 in Kentucky → Look up another NPI →
Also registered at 204 S 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Carpenter, LCSWClinical Social Worker1104581222
- Audrey Eckerle, APRNAcute Care Nurse Practitioner1538318290
- William Gibson, APRN PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1194101485
- Daniel Gribbins, LCSWClinical Social Worker1861219073
- Sonya KirkpatrickClinical Social Worker1639834427
- Karen MachalMental Health Counselor1013629906
Verify Gregory H. Carlsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 32606Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average radiation oncology physician in 2024
161 Medicare Part D claims for 72 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Lidocaine Hcl Viscous25 claims
- Hydrocodone-Acetaminophen22 claims
- Fentanyl12 claims
- Ondansetron Odt12 claims
- Dexamethasone11 claims
- Fluconazole11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $531.23
27 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory H. Carlsen among 88 radiation oncology physician records in Kentucky
Gregory H. Carlsen, MD is one of 88 radiation oncology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1995 · median 2004 among the 68 with a school on file
- Record last updated2016 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Kentucky
There are 88 radiation oncology physician records in Kentucky.
All 88 in Kentucky → Every provider in Danville → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Jeniffer Huhn, DORichmond, KY 404751467485433
- John Simmons, DORichmond, KY 404751689760944
- Sandra Swayze, M.D.Richmond, KY 404751912920976
- Robert Miller, MDMorehead, KY 403511114904430
- Alan Beckman, M.D.Lexington, KY 405031851390355
- Marta Hayne, M.D.Lexington, KY 405031265431779
- Thomas HunterLexington, KY 405031831576461
- Falguni Amin-Zimmerman, M.D.Lexington, KY 405041285626283
Common questions
What is Gregory H. Carlsen, MD's NPI number?
Gregory H. Carlsen, MD's National Provider Identifier (NPI) is 1306831516, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory H. Carlsen, MD located?
The NPPES record lists a practice address at 204 S 2ND St, Danville, KY, 40422. Phone: (859) 236-9819. Providers update this record themselves, so call before visiting.
How can I verify Gregory H. Carlsen, MD's license?
NPPES lists Kentucky license number 32606, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory H. Carlsen, MD prescribe under Medicare Part D?
In 2024, Gregory H. Carlsen, MD had 161 Medicare Part D claims for 72 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.