Ronald Johnson, MD
NPI 1255331229 · Family Medicine Physician · Pittsfield, IL
Ronald Johnson, MD is a Family Medicine Physician provider in Pittsfield, IL (NPI 1255331229).
Provider details
- NPI number
- 1255331229
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036056997 (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
35 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 22 | $13 |
| X-Ray of Chest, 2 Views71046 | 13 | $21 |
Typical Medicare-allowed amounts for these services range $13–$21 (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 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 315 | 95 |
| Lisinopril | 271 | 82 |
| Levothyroxine Sodium | 251 | 57 |
| Furosemide | 234 | 66 |
| Potassium Chloride | 224 | 67 |
| Apixabanbrand: Eliquis | 197 | 33 |
| Amlodipine Besylate | 187 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2013-08-12
Frequently asked questions
- What is Ronald Johnson's NPI number?
- Ronald Johnson's National Provider Identifier (NPI) is 1255331229, 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 Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Johnson located?
- Ronald Johnson's practice location on file with NPPES is 320 N Madison, Pittsfield, IL 62363.
- What is Ronald Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ronald Johnson is (217) 285-9601.
- Is Ronald Johnson's NPI active?
- Yes — Ronald Johnson's NPI (1255331229) is active in the NPPES registry as of the last update on 2013-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.