Perry Johnston, MSW
NPI 1154421550 · Clinical Social Worker · Milwaukee, WI
Perry Johnston, MSW is a Clinical Social Worker provider in Milwaukee, WI (NPI 1154421550).
Provider details
- NPI number
- 1154421550
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- No
- License
- 575-123 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-25
- Last updated
- 2010-07-23
Frequently asked questions
- What is Perry Johnston's NPI number?
- Perry Johnston's National Provider Identifier (NPI) is 1154421550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Perry Johnston's specialty?
- Perry Johnston is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Perry Johnston located?
- Perry Johnston's practice location on file with NPPES is 2600 N Mayfair Rd, Milwaukee, WI 53226-1309.
- What is Perry Johnston's phone number?
- The practice phone number listed in the NPPES registry for Perry Johnston is (414) 771-2088.
- Is Perry Johnston's NPI active?
- Yes — Perry Johnston's NPI (1154421550) is active in the NPPES registry as of the last update on 2010-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.