John Yost
NPI 1639916570 · Peer Specialist · Fairfield, OH
John Yost is a Peer Specialist provider in Fairfield, OH (NPI 1639916570).
Provider details
- NPI number
- 1639916570
- Entity type
- Individual
- Primary specialty
- Peer SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
- Behavior Technician106S00000X
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-07-09
- Last updated
- 2024-12-20
- Certified
- 2024-12-20
Frequently asked questions
- What is John Yost's NPI number?
- John Yost's National Provider Identifier (NPI) is 1639916570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Yost's specialty?
- John Yost is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).
- Where is John Yost located?
- John Yost's practice location on file with NPPES is 6570 Sosna Dr, Fairfield, OH 45014-2222.
- What is John Yost's phone number?
- The practice phone number listed in the NPPES registry for John Yost is (513) 942-4673.
- Is John Yost's NPI active?
- Yes — John Yost's NPI (1639916570) is active in the NPPES registry as of the last update on 2024-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.