John P Czaja OD PC
NPI 1659341451 · Optometrist · Merrillville, IN
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John P Czaja OD PC is a Optometrist organization in Merrillville, IN (NPI 1659341451).
Provider details
- NPI number
- 1659341451
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- John Czaja, President(219) 769-2020
- License
- 18002875A & B (IN)
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
Other names (DBA / former)
- Doing business as
- Eye Designs
- Doing business as
- Eye Designs
Registry dates
- Enumerated
- 2006-01-24
- Last updated
- 2023-03-07
- Certified
- 2023-03-07
Frequently asked questions
- What is John P Czaja OD PC's NPI number?
- John P Czaja OD PC's National Provider Identifier (NPI) is 1659341451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John P Czaja OD PC?
- John P Czaja OD PC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is John P Czaja OD PC located?
- John P Czaja OD PC's practice location on file with NPPES is 8100 Broadway, Merrillville, IN 46410-6215.
- What is John P Czaja OD PC's phone number?
- The practice phone number listed in the NPPES registry for John P Czaja OD PC is (219) 769-2020.
- Does John P Czaja OD PC accept Medicare?
- John P Czaja OD PC 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 P Czaja OD PC?
- The authorized official listed on John P Czaja OD PC's NPPES record is John Czaja, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John P Czaja OD PC's NPI active?
- Yes — John P Czaja OD PC's NPI (1659341451) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.