John Barker
NPI 1578231023 · Case Manager/Care Coordinator · Salt Lake City, UT
John Barker is a Case Manager/Care Coordinator provider in Salt Lake City, UT (NPI 1578231023).
Provider details
- NPI number
- 1578231023
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2021-08-31
- Last updated
- 2021-09-01
- Certified
- 2021-09-01
Frequently asked questions
- What is John Barker's NPI number?
- John Barker's National Provider Identifier (NPI) is 1578231023, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Barker's specialty?
- John Barker is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is John Barker located?
- John Barker's practice location on file with NPPES is 4460 S Highland Dr, Salt Lake City, UT 84124-3543.
- What is John Barker's phone number?
- The practice phone number listed in the NPPES registry for John Barker is (888) 949-4864.
- Is John Barker's NPI active?
- Yes — John Barker's NPI (1578231023) is active in the NPPES registry as of the last update on 2021-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.