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Wallace Knapp, O.D.
NPI 1477535383 · Optometrist · Upper Sandusky, OH
Wallace Knapp, O.D. is a Optometrist provider in Upper Sandusky, OH (NPI 1477535383).
Provider details
- NPI number
- 1477535383
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2913/T826 (OH)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(91/100 index)
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
212 E Wyandot Ave
Upper Sandusky, OH 43351-1432
Phone: (419) 294-2421
Fax: (419) 294-2499
Street-level locationGet directions
Mailing address
Po Box 540
Upper Sandusky, OH 43351-0540
Registry dates
- Enumerated
- 2005-11-16
- Last updated
- 2011-04-22
Frequently asked questions
- What is Wallace Knapp's NPI number?
- Wallace Knapp's National Provider Identifier (NPI) is 1477535383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wallace Knapp's specialty?
- Wallace Knapp is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Wallace Knapp located?
- Wallace Knapp's practice location on file with NPPES is 212 E Wyandot Ave, Upper Sandusky, OH 43351-1432.
- What is Wallace Knapp's phone number?
- The practice phone number listed in the NPPES registry for Wallace Knapp is (419) 294-2421.
- Is Wallace Knapp's NPI active?
- Yes — Wallace Knapp's NPI (1477535383) is active in the NPPES registry as of the last update on 2011-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.