Ronald Johnsen, DO
Emergency Medicine Physician · Hilliard, OH
Ronald Johnsen, DO is an emergency medicine physician with a practice address in Hilliard, Ohio, and NPI 1356400022, issued on Dec 8, 2006. Check the license (Ohio 34.003587, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Ronald Johnsen
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 34.003587 OH
Self-reported in NPPES; status is on the state search - Practice location
- 4343 All Seasons Dr Ste 160, Hilliard, OH 43026
- Phone
- (614) 541-2676
- Enumerated
- Dec 8, 2006
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (614) 541-2678
- Medicaid ID
- 0549071 OH
- Medicare enrollment
- Enrolled (PECOS I20120326000209); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1978
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,002 in Ohio → Look up another NPI →
Also registered at 4343 All Seasons Dr Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terrance Banaszak, DOEmergency Medicine Physician1083918361
- Jaime Heisterkamp, NP-CFamily Nurse Practitioner1710382775
- Kyle Lau, MDFamily Medicine Physician1366068660
- Donald West, MDFamily Medicine Physician1528097995
Verify Ronald Johnsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 34.003587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% more Medicare Part D claims than the average emergency medicine physician in 2024
409 Medicare Part D claims for 245 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Azithromycin82 claims
- Prednisone70 claims
- Albuterol Sulfate Hfa43 claims
- Sulfamethoxazole-Trimethoprim32 claims
- Cephalexin29 claims
- Fluconazole18 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): 90.5 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
- Ohiohealth Urgent Care LLCDublin, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Johnsen among 3,002 emergency medicine physician records in Ohio
Ronald Johnsen, DO is one of 3,002 emergency medicine physician records with a practice address in Ohio. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 63% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1978 · median 2013 among the 1,720 with a school on file
- Record last updated2021 · 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 207P00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Ohio
There are 3,002 emergency medicine physician records in Ohio.
All 3,002 in Ohio → Every provider in Hilliard → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Terrance Banaszak, DOHilliard, OH 430261083918361
- Ricardo RomeroHilliard, OH 430261003857327
- Daniel Zelinski, M.D., PH.D.Hilliard, OH 430261336367820
- Imran Akbar, D.O.Lewis Center, OH 430351720308125
- Charles Kassicieh, DODublin, OH 430171982660239
- David Lewis, M.D.Dublin, OH 430171427153147
- Marcus Pesa, M.D.Dublin, OH 430171770561110
- Sudhakar Rings, MDDublin, OH 430171407885031
Common questions
What is Ronald Johnsen, DO's NPI number?
Ronald Johnsen, DO's National Provider Identifier (NPI) is 1356400022, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Johnsen, DO located?
The NPPES record lists a practice address at 4343 All Seasons Dr Ste 160, Hilliard, OH, 43026. Phone: (614) 541-2676. Providers update this record themselves, so call before visiting.
How can I verify Ronald Johnsen, DO's license?
NPPES lists Ohio license number 34.003587, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald Johnsen, DO prescribe under Medicare Part D?
In 2024, Ronald Johnsen, DO had 409 Medicare Part D claims for 245 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Ronald Johnsen, DO's MIPS final score?
The 2023 MIPS final score is 90.5 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.