Ralf K. Kiehl, MD
Radiation Oncology Physician · Sidney, MT
Ralf K. Kiehl, MD is a radiation oncology physician with a practice address in Sidney, Montana, and NPI 1760483788, issued on Aug 2, 2005. Check the license on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ralf K. Kiehl
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 200385 NY
Self-reported in NPPES; status is on the state search - Practice location
- 214 14TH Ave SW, Sidney, MT 59270
- Phone
- (406) 488-2504
- Enumerated
- Aug 2, 2005
- Record last updated
- Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (406) 488-2553
- Medicaid ID
- 01592676 NY
- Medicare enrollment
- Enrolled (PECOS I20110303000381); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 214 14TH Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Anderson, AUDAudiologist1679734537
- Brett Bennion, MDOtolaryngology Physician1275616104
- Edward Bergin, MDSurgery Physician1902980907
- Patricia Cantrell, PACSurgical Physician Assistant1386634491
- John Carey, MDSurgery Physician1689667115
- Orin Council, MD PCFamily Medicine Physician1740326859
Verify Ralf K. Kiehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average radiation oncology physician in 2024
113 Medicare Part D claims for 34 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Bicalutamide48 claims
- Tamsulosin Hcl34 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: $60.88
1 payment: food and beverage; the largest payer was Novocure Inc. 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.
One hospital affiliation
- Sidney Health CenterSidney, MT · Critical Access Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 radiation oncology physician records list a practice address in Sidney
They are 2 of the 119 NPPES records with a practice address in Sidney, and 24 radiation oncology physician records in Montana.
All 2 in Sidney → All 24 in Montana → Every provider in Sidney →
Other radiation oncology physician records in Montana
- Christopher Baker, M.D.Bozeman, MT1609223932
- Richard Belgrad, M.D.Bozeman, MT1023061488
- Joseph Clyde, MDGreat Falls, MT1710478698
- Berna Demalignon, M.D.Great Falls, MT1770560948
- Jeffrey Eshleman, M.D.Kalispell, MT1770561433
- Christopher Goulet, M.D.Billings, MT1437137155
- Eugene Hughes, M.D.Butte, MT1952519761
- Frank Lamm, MDBillings, MT1417949033
- Justin Linam, M.D.Kalispell, MT1750727152
- Katherine Markette, M.D.Missoula, MT1407806987
Common questions
What is Ralf K. Kiehl, MD's NPI number?
Ralf K. Kiehl, MD's National Provider Identifier (NPI) is 1760483788, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ralf K. Kiehl, MD located?
The NPPES record lists a practice address at 214 14TH Ave SW, Sidney, MT, 59270. Phone: (406) 488-2504. Providers update this record themselves, so call before visiting.
How can I verify Ralf K. Kiehl, MD's license?
Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ralf K. Kiehl, MD prescribe under Medicare Part D?
In 2024, Ralf K. Kiehl, MD had 113 Medicare Part D claims for 34 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.