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Richard Leonard, M.D.
NPI 1659421246 · Ophthalmology Physician · West Dundee, IL
Richard Leonard, M.D. is a Ophthalmology Physician provider in West Dundee, IL (NPI 1659421246).
Provider details
- NPI number
- 1659421246
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36-038356 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
650 Spring Hill Ring Rd
Suite 2020
West Dundee, IL 60118-1296
Phone: (847) 426-0227
Fax: (847) 426-0299
Street-level locationGet directions
Mailing address
650 Spring Hill Ring Rd
West Dundee, IL 60118-1296
Registry dates
- Enumerated
- 2007-01-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Richard Leonard's NPI number?
- Richard Leonard's National Provider Identifier (NPI) is 1659421246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Leonard's specialty?
- Richard Leonard is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Leonard located?
- Richard Leonard's practice location on file with NPPES is 650 Spring Hill Ring Rd, West Dundee, IL 60118-1296.
- What is Richard Leonard's phone number?
- The practice phone number listed in the NPPES registry for Richard Leonard is (847) 426-0227.
- Is Richard Leonard's NPI active?
- Yes — Richard Leonard's NPI (1659421246) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.