Joanna Cotter, OD
NPI 1922584846 · Optometrist · Greenfield, WI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna Cotter, OD is a Optometrist provider in Greenfield, WI (NPI 1922584846).
Provider details
- NPI number
- 1922584846
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- OPC5570 (FL)
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
7 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
- 2018-07-13
- Last updated
- 2023-07-07
- Certified
- 2023-07-07
Frequently asked questions
- What is Joanna Cotter's NPI number?
- Joanna Cotter's National Provider Identifier (NPI) is 1922584846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Cotter's specialty?
- Joanna Cotter is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Joanna Cotter located?
- Joanna Cotter's practice location on file with NPPES is 4850 S 74th St, Greenfield, WI 53220-4359.
- What is Joanna Cotter's phone number?
- The practice phone number listed in the NPPES registry for Joanna Cotter is (414) 282-3200.
- Does Joanna Cotter accept Medicare?
- Joanna Cotter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna Cotter's NPI active?
- Yes — Joanna Cotter's NPI (1922584846) is active in the NPPES registry as of the last update on 2023-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.