John W Barnhart OD Inc.
NPI 1104851278 · Optometrist · Warren, OH
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John W Barnhart OD Inc. is a Optometrist organization in Warren, OH (NPI 1104851278).
Provider details
- NPI number
- 1104851278
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- John Barnhart, President(330) 847-9093
- License
- 4265 (OH)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-07-11
- Last updated
- 2008-10-07
Frequently asked questions
- What is John W Barnhart OD Inc.'s NPI number?
- John W Barnhart OD Inc.'s National Provider Identifier (NPI) is 1104851278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John W Barnhart OD Inc.?
- John W Barnhart OD Inc. is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is John W Barnhart OD Inc. located?
- John W Barnhart OD Inc.'s practice location on file with NPPES is 4620 Mahoning Ave, Warren, OH 44483-1419.
- What is John W Barnhart OD Inc.'s phone number?
- The practice phone number listed in the NPPES registry for John W Barnhart OD Inc. is (330) 847-9093.
- Does John W Barnhart OD Inc. accept Medicare?
- John W Barnhart OD Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for John W Barnhart OD Inc.?
- The authorized official listed on John W Barnhart OD Inc.'s NPPES record is John Barnhart, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John W Barnhart OD Inc.'s NPI active?
- Yes — John W Barnhart OD Inc.'s NPI (1104851278) is active in the NPPES registry as of the last update on 2008-10-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.