Samuel Schellenberg, MD
NPI 1558975979 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Schellenberg, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1558975979).
Provider details
- NPI number
- 1558975979
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
Mailing address
Registry dates
- Enumerated
- 2020-09-02
- Last updated
- 2024-05-29
- Certified
- 2024-05-29
Frequently asked questions
- What is Samuel Schellenberg's NPI number?
- Samuel Schellenberg's National Provider Identifier (NPI) is 1558975979, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Schellenberg's specialty?
- Samuel Schellenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Schellenberg located?
- Samuel Schellenberg's practice location on file with NPPES is 240 E Huron St Ste 1-200, Chicago, IL 60611-2909.
- What is Samuel Schellenberg's phone number?
- The practice phone number listed in the NPPES registry for Samuel Schellenberg is (312) 503-7975.
- Does Samuel Schellenberg accept Medicare?
- Samuel Schellenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Schellenberg's NPI active?
- Yes — Samuel Schellenberg's NPI (1558975979) is active in the NPPES registry as of the last update on 2024-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.