Mark L. Skowron PC
NPI 1003940602 · Optometrist · Elmhurst, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark L. Skowron PC is a Optometrist organization in Elmhurst, IL (NPI 1003940602).
Provider details
- NPI number
- 1003940602
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Mark Skowron, President(630) 834-6244
- License
- 046007453 (IL)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
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
Mailing address
Other names (DBA / former)
- Doing business as
- Skowron Eyecare
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2023-11-15
- Certified
- 2023-11-15
Frequently asked questions
- What is Mark L. Skowron PC's NPI number?
- Mark L. Skowron PC's National Provider Identifier (NPI) is 1003940602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark L. Skowron PC?
- Mark L. Skowron PC is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Mark L. Skowron PC located?
- Mark L. Skowron PC's practice location on file with NPPES is 370 N York St, Elmhurst, IL 60126-2320.
- What is Mark L. Skowron PC's phone number?
- The practice phone number listed in the NPPES registry for Mark L. Skowron PC is (630) 834-6244.
- Does Mark L. Skowron PC accept Medicare?
- Mark L. Skowron PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark L. Skowron PC?
- The authorized official listed on Mark L. Skowron PC's NPPES record is Mark Skowron, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark L. Skowron PC's NPI active?
- Yes — Mark L. Skowron PC's NPI (1003940602) is active in the NPPES registry as of the last update on 2023-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.