IndividualActive
Mark Ellison, O.D.
NPI 1952509424 · Optometrist · Bethalto, IL
Mark Ellison, O.D. is a Optometrist provider in Bethalto, IL (NPI 1952509424).
Provider details
- NPI number
- 1952509424
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 046-007313 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(89/100 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
422 W Bethalto Dr
Bethalto, IL 62010-1700
Phone: (618) 377-5221
Fax: (618) 377-5220
Street-level locationGet directions
Mailing address
422 W Bethalto Dr
Bethalto, IL 62010-1700
Registry dates
- Enumerated
- 2007-07-06
- Last updated
- 2008-08-21
Frequently asked questions
- What is Mark Ellison's NPI number?
- Mark Ellison's National Provider Identifier (NPI) is 1952509424, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ellison's specialty?
- Mark Ellison is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Ellison located?
- Mark Ellison's practice location on file with NPPES is 422 W Bethalto Dr, Bethalto, IL 62010-1700.
- What is Mark Ellison's phone number?
- The practice phone number listed in the NPPES registry for Mark Ellison is (618) 377-5221.
- Is Mark Ellison's NPI active?
- Yes — Mark Ellison's NPI (1952509424) is active in the NPPES registry as of the last update on 2008-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.