Ronald Johnson, PHD
NPI 1598701906 · Clinical Psychologist · Lodi, WI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Johnson, PHD is a Clinical Psychologist provider in Lodi, WI (NPI 1598701906).
Provider details
- NPI number
- 1598701906
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 2177-057 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
103 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) |
|---|---|---|
| Psychotherapy, 1 Hour90837 | 103 | $99 |
Typical Medicare-allowed amounts for these services range $99–$99 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2013-03-18
Frequently asked questions
- What is Ronald Johnson's NPI number?
- Ronald Johnson's National Provider Identifier (NPI) is 1598701906, 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 Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ronald Johnson located?
- Ronald Johnson's practice location on file with NPPES is 336 Lodi St, Lodi, WI 53555-1418.
- What is Ronald Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ronald Johnson is (608) 592-2080.
- 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 (1598701906) is active in the NPPES registry as of the last update on 2013-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.