OrganizationActive
Donald L Ryszka OD
NPI 1417129883 · Optometrist · Oconto Falls, WI
Provider details
- NPI number
- 1417129883
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Donald Ryszka, Optometrist Owner(920) 846-2845
- License
- 01411 (WI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
835 South Main St
Ste 4
Oconto Falls, WI 54154-1282
Phone: (920) 846-2845
Fax: (920) 846-2845
Street-level locationGet directions
Mailing address
835 South Main St
Oconto Falls, WI 54154-1282
Registry dates
- Enumerated
- 2008-03-26
- Last updated
- 2010-01-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.