Tonya Johannes, ARNP
Family Nurse Practitioner · Oskaloosa, IA
Tonya Johannes, ARNP is a family nurse practitioner with a practice address in Oskaloosa, Iowa, and NPI 1205292448, issued on Jan 4, 2016. Check the license (Iowa A122183, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tonya Johannes
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A122183 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1229 C Ave E, Oskaloosa, IA 52577
- Phone
- (641) 672-3360
- Enumerated
- Jan 4, 2016
- Record last updated
- Jan 4, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160303002091); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 1229 C Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Agan, RPHPharmacotherapy Pharmacist1205049772
- Jessica Aguilera, DOFamily Medicine Physician1184316994
- Amanda Ballanger, RNRegistered Nurse1659025534
- Lisa Bard, LMHCCounselor1629176458
- Christine BeairdFamily Nurse Practitioner1063768646
- Mark Beers, DPMPodiatrist1164413209
Verify Tonya Johannes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A122183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average family nurse practitioner in 2024
4,345 Medicare Part D claims for 271 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 77 claims were for opioids.
Most prescribed
- Levothyroxine Sodium311 claims
- Omeprazole191 claims
- Atorvastatin Calcium172 claims
- Lisinopril120 claims
- Amlodipine Besylate115 claims
- Hydroxyzine Hcl115 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 MIPS final score for 2023 (Medicare payment program): 93.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mahaska County HospitalOskaloosa, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tonya Johannes among 1,971 family nurse practitioner records in Iowa
Tonya Johannes, ARNP is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 36% of them.
- NPI issued2016 · 36% of these records are older, 58% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2015 · median 2018 among the 1,398 with a school on file
- Record last updated2016 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family nurse practitioner records list a practice address in Oskaloosa
They are 15 of the 253 NPPES records with a practice address in Oskaloosa, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Oskaloosa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lori Bailey, ARNPOskaloosa, IA 525771306819248
- Christine BeairdOskaloosa, IA 525771063768646
- Bryon Bellinger, ARNPOskaloosa, IA 525771518329606
- Leah BruxvoortOskaloosa, IA 525771609121797
- Robyn Griffiths, ARNPOskaloosa, IA 525771770957912
- Gayle Johnson, ARNPOskaloosa, IA 525771447808092
- Alicia Knox, ARNPOskaloosa, IA 525771881266914
- Tanetta Main, RN, FNPOskaloosa, IA 525771770548075
Common questions
What is Tonya Johannes, ARNP's NPI number?
Tonya Johannes, ARNP's National Provider Identifier (NPI) is 1205292448, issued on Jan 4, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Tonya Johannes, ARNP located?
The NPPES record lists a practice address at 1229 C Ave E, Oskaloosa, IA, 52577. Phone: (641) 672-3360. Providers update this record themselves, so call before visiting.
How can I verify Tonya Johannes, ARNP's license?
NPPES lists Iowa license number A122183, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Tonya Johannes, ARNP prescribe under Medicare Part D?
In 2024, Tonya Johannes, ARNP had 4,345 Medicare Part D claims for 271 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Tonya Johannes, ARNP's MIPS final score?
The 2023 MIPS final score is 93.7 of 100. 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.