Tonya Johannes, ARNP
NPI 1205292448 · Family Nurse Practitioner · Oskaloosa, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tonya Johannes, ARNP is a Family Nurse Practitioner provider in Oskaloosa, IA (NPI 1205292448).
Provider details
- NPI number
- 1205292448
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- A122183 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
164 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 106 | $51 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 58 | $40 |
Typical Medicare-allowed amounts for these services range $40–$51 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 96 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 311 | 75 |
| Omeprazole | 191 | 43 |
| Atorvastatin Calcium | 172 | 52 |
| Lisinopril | 120 | 35 |
| Hydroxyzine Hcl | 115 | 28 |
| Amlodipine Besylate | 115 | 28 |
| Metformin Hclbrand: Metformin Hcl Er |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-01-04
- Last updated
- 2016-01-04
Frequently asked questions
- What is Tonya Johannes's NPI number?
- Tonya Johannes's National Provider Identifier (NPI) is 1205292448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tonya Johannes's specialty?
- Tonya Johannes is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tonya Johannes located?
- Tonya Johannes's practice location on file with NPPES is 1229 C Ave E, Oskaloosa, IA 52577-4246.
- What is Tonya Johannes's phone number?
- The practice phone number listed in the NPPES registry for Tonya Johannes is (641) 672-3360.
- Does Tonya Johannes accept Medicare?
- Tonya Johannes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tonya Johannes's NPI active?
- Yes — Tonya Johannes's NPI (1205292448) is active in the NPPES registry as of the last update on 2016-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.