OrganizationActive
Marshall Sparberg, MD, Ltd
NPI 1063487692 · Gastroenterology Physician · Chicago, IL
Provider details
- NPI number
- 1063487692
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marshall Sparberg, Physician Owner(630) 718-0200
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
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
676 N Saint Clair St
Suite 1525
Chicago, IL 60611-2927
Phone: (312) 944-7080
Fax: (312) 266-0478
Street-level locationGet directions
Mailing address
1730 Park St
Naperville, IL 60563-2688
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2007-10-23
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.