Ronald K. Ellsworth, MD
Family Medicine Physician · Cascade, ID
Ronald K. Ellsworth, MD is a family medicine physician with a practice address in Cascade, Idaho, and NPI 1245556141, issued on Apr 16, 2010. Check the license (Idaho M-11978, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ronald K. Ellsworth
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- M-11978 ID
Self-reported in NPPES; status is on the state search - Practice location
- 402 Lake Cascade Pkwy, Cascade, ID 83611
- Phone
- (208) 382-4242
- Enumerated
- Apr 16, 2010
- Record last updated
- Feb 13, 2024
- Fax
- (208) 382-5081
- Medicare enrollment
- Enrolled (PECOS I20130723000595); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,316 in Idaho → Look up another NPI →
Also registered at 402 Lake Cascade Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bret Bastian, DPTPhysical Therapist1760798375
- James Blacksher, PACPhysician Assistant1760420590
- Katie Camarata, DOFamily Medicine Physician1811429442
- Jamie Coffey-Kelly, LCSWClinical Social Worker1992135818
- Katherine Farmer, TDPTPhysical Therapist1437221231
- Katherine Ferguson, FNPFamily Nurse Practitioner1881356087
Verify Ronald K. Ellsworth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-11978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average family medicine physician in 2024
3,163 Medicare Part D claims for 286 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 106 claims were for opioids.
Most prescribed
- Atorvastatin Calcium163 claims
- Losartan Potassium157 claims
- Lisinopril102 claims
- Levothyroxine Sodium101 claims
- Amlodipine Besylate91 claims
- Gabapentin85 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cascade Medical Center Hospital DistrictCascade, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald K. Ellsworth among 1,316 family medicine physician records in Idaho
Ronald K. Ellsworth, MD is one of 1,316 family medicine physician records with a practice address in Idaho. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 53% of them.
- NPI issued2010 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2009 among the 793 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Cascade
They are 3 of the 21 NPPES records with a practice address in Cascade, and 1,316 family medicine physician records in Idaho.
All 1,316 in Idaho → Every provider in Cascade → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Katie Camarata, DOCascade, ID 836111811429442
- Bradley Gilman, M.D.Cascade, ID 836111609940709
- Perry Jansen, M.D., MPHCaldwell, ID 836071417230251
- Mont Tolman, DODonnelly, ID 836151124069828
- Linda Burke, MDEagle, ID 836161376581124
- Michael Kaylor, M.D.Eagle, ID 836161104878610
- Daniel Knorpp, D.O.Eagle, ID 836161538214184
- Nancy Mallory, MDEagle, ID 836161083665129
Common questions
What is Ronald K. Ellsworth, MD's NPI number?
Ronald K. Ellsworth, MD's National Provider Identifier (NPI) is 1245556141, issued on Apr 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ronald K. Ellsworth, MD located?
The NPPES record lists a practice address at 402 Lake Cascade Pkwy, Cascade, ID, 83611. Phone: (208) 382-4242. Providers update this record themselves, so call before visiting.
How can I verify Ronald K. Ellsworth, MD's license?
NPPES lists Idaho license number M-11978, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald K. Ellsworth, MD prescribe under Medicare Part D?
In 2024, Ronald K. Ellsworth, MD had 3,163 Medicare Part D claims for 286 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ronald K. Ellsworth, MD's MIPS final score?
The 2023 MIPS final score is 94.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.