Catherine Ludwig
NPI 1689253015 · Student in an Organized Health Care Education/Training Program · Chicago, IL
Catherine Ludwig is a Student in an Organized Health Care Education/Training Program provider in Chicago, IL (NPI 1689253015).
Provider details
- NPI number
- 1689253015
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Sex
- Female
- 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
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
- 2021-04-04
- Last updated
- 2021-04-04
- Certified
- 2021-04-04
Frequently asked questions
- What is Catherine Ludwig's NPI number?
- Catherine Ludwig's National Provider Identifier (NPI) is 1689253015, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Ludwig's specialty?
- Catherine Ludwig 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 Catherine Ludwig located?
- Catherine Ludwig's practice location on file with NPPES is 1222 E 63rd St, Chicago, IL 60637-3722.
- What is Catherine Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Catherine Ludwig is (773) 936-1107.
- Is Catherine Ludwig's NPI active?
- Yes — Catherine Ludwig's NPI (1689253015) is active in the NPPES registry as of the last update on 2021-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.