IndividualActive
William Sharelis, MD
NPI 1487620803 · Internal Medicine Physician · Freeport, IL
William Sharelis, MD is a Internal Medicine Physician provider in Freeport, IL (NPI 1487620803).
Provider details
- NPI number
- 1487620803
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
750 Kiwanis Dr
Freeport, IL 61032-7119
Phone: (815) 599-6000
Street-level locationGet directions
Mailing address
421 W Exchange St
Freeport, IL 61032-4030
Registry dates
- Enumerated
- 2006-02-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Sharelis's NPI number?
- William Sharelis's National Provider Identifier (NPI) is 1487620803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sharelis's specialty?
- William Sharelis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Sharelis located?
- William Sharelis's practice location on file with NPPES is 750 Kiwanis Dr, Freeport, IL 61032-7119.
- What is William Sharelis's phone number?
- The practice phone number listed in the NPPES registry for William Sharelis is (815) 599-6000.
- Is William Sharelis's NPI active?
- Yes — William Sharelis's NPI (1487620803) 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.