Zachary Chalmers
NPI 1689129850 · Student in an Organized Health Care Education/Training Program · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Chalmers is a Student in an Organized Health Care Education/Training Program provider in Chicago, IL (NPI 1689129850).
Provider details
- NPI number
- 1689129850
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Male
- Sole proprietor
- Yes
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
9 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
- 2016-08-17
- Last updated
- 2016-08-17
Frequently asked questions
- What is Zachary Chalmers's NPI number?
- Zachary Chalmers's National Provider Identifier (NPI) is 1689129850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Chalmers's specialty?
- Zachary Chalmers 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 Zachary Chalmers located?
- Zachary Chalmers's practice location on file with NPPES is 240 E Huron St, Chicago, IL 60611-2909.
- What is Zachary Chalmers's phone number?
- The practice phone number listed in the NPPES registry for Zachary Chalmers is (312) 503-7975.
- Does Zachary Chalmers accept Medicare?
- Zachary Chalmers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Chalmers's NPI active?
- Yes — Zachary Chalmers's NPI (1689129850) is active in the NPPES registry as of the last update on 2016-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.