John E Warren OD Sc
NPI 1821113697 · Optometrist · Mt Pleasant, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John E Warren OD Sc is a Optometrist organization in Mt Pleasant, WI (NPI 1821113697).
Provider details
- NPI number
- 1821113697
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- John Warren, Owner(262) 752-2020
- License
- 2527 (WI)
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
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
Other names (DBA / former)
- Doing business as
- Warren Eye Care Center Inc
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2026-01-07
- Certified
- 2026-01-07
Frequently asked questions
- What is John E Warren OD Sc's NPI number?
- John E Warren OD Sc's National Provider Identifier (NPI) is 1821113697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John E Warren OD Sc?
- John E Warren OD Sc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is John E Warren OD Sc located?
- John E Warren OD Sc's practice location on file with NPPES is 1139 S Sunnyslope Dr Ste 203, Mt Pleasant, WI 53406-3998.
- What is John E Warren OD Sc's phone number?
- The practice phone number listed in the NPPES registry for John E Warren OD Sc is (272) 752-2020.
- Does John E Warren OD Sc accept Medicare?
- John E Warren OD Sc 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 E Warren OD Sc?
- The authorized official listed on John E Warren OD Sc's NPPES record is John Warren, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John E Warren OD Sc's NPI active?
- Yes — John E Warren OD Sc's NPI (1821113697) is active in the NPPES registry as of the last update on 2026-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.