William Marcus
NPI 1366276651 · Student in an Organized Health Care Education/Training Program · Chicago, IL
William Marcus is a Student in an Organized Health Care Education/Training Program provider in Chicago, IL (NPI 1366276651).
Provider details
- NPI number
- 1366276651
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-08-28
- Last updated
- 2024-08-28
- Certified
- 2024-08-28
Frequently asked questions
- What is William Marcus's NPI number?
- William Marcus's National Provider Identifier (NPI) is 1366276651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marcus's specialty?
- William Marcus is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is William Marcus located?
- William Marcus's practice location on file with NPPES is 240 E Huron St Ste 1-200, Chicago, IL 60611-2909.
- What is William Marcus's phone number?
- The practice phone number listed in the NPPES registry for William Marcus is (312) 503-7975.
- Is William Marcus's NPI active?
- Yes — William Marcus's NPI (1366276651) is active in the NPPES registry as of the last update on 2024-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.