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John Emmert, O.D.
NPI 1730189754 · Optometrist · Ottawa, IL
John Emmert, O.D. is a Optometrist provider in Ottawa, IL (NPI 1730189754).
Provider details
- NPI number
- 1730189754
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(84/100 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
83% 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
1029 La Salle St
Ottawa, IL 61350-2018
Phone: (815) 433-4100
Street-level locationGet directions
Mailing address
2918 E 1979th Rd
Marseilles, IL 61341-9308
Registry dates
- Enumerated
- 2005-08-01
- Last updated
- 2007-07-23
Frequently asked questions
- What is John Emmert's NPI number?
- John Emmert's National Provider Identifier (NPI) is 1730189754, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Emmert's specialty?
- John Emmert is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is John Emmert located?
- John Emmert's practice location on file with NPPES is 1029 La Salle St, Ottawa, IL 61350-2018.
- What is John Emmert's phone number?
- The practice phone number listed in the NPPES registry for John Emmert is (815) 433-4100.
- Is John Emmert's NPI active?
- Yes — John Emmert's NPI (1730189754) is active in the NPPES registry as of the last update on 2007-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.