Cathy Liu, MD
NPI 1679364624 · Student in an Organized Health Care Education/Training Program · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathy Liu, MD is a Student in an Organized Health Care Education/Training Program provider in Philadelphia, PA (NPI 1679364624).
Provider details
- NPI number
- 1679364624
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- 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
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
- 2025-05-16
- Last updated
- 2025-05-18
- Certified
- 2025-05-18
Frequently asked questions
- What is Cathy Liu's NPI number?
- Cathy Liu's National Provider Identifier (NPI) is 1679364624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathy Liu's specialty?
- Cathy Liu 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 Cathy Liu located?
- Cathy Liu's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Cathy Liu's phone number?
- The practice phone number listed in the NPPES registry for Cathy Liu is (800) 836-7536.
- Does Cathy Liu accept Medicare?
- Cathy Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathy Liu's NPI active?
- Yes — Cathy Liu's NPI (1679364624) is active in the NPPES registry as of the last update on 2025-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.