Ronald Johnson, MD
NPI 1679571897 · Psychiatry Physician · Anna, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Johnson, MD is a Psychiatry Physician provider in Anna, IL (NPI 1679571897).
Provider details
- NPI number
- 1679571897
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-090683 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,264 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 930 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 228 | $94 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 106 | $166 |
Typical Medicare-allowed amounts for these services range $64–$166 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 137 | 27 |
| Duloxetine Hcl | 123 | 27 |
| Buspirone Hcl | 68 | 16 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 57 | — |
| Quetiapine Fumarate | 41 | — |
| Trazodone Hcl | 41 | 13 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-12
- Last updated
- 2015-07-14
Frequently asked questions
- What is Ronald Johnson's NPI number?
- Ronald Johnson's National Provider Identifier (NPI) is 1679571897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Johnson's specialty?
- Ronald Johnson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Johnson located?
- Ronald Johnson's practice location on file with NPPES is 204 South Street, Anna, IL 62906-0548.
- What is Ronald Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ronald Johnson is (618) 833-8551.
- Does Ronald Johnson accept Medicare?
- Ronald Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Johnson's NPI active?
- Yes — Ronald Johnson's NPI (1679571897) is active in the NPPES registry as of the last update on 2015-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.