Cassie Liu, MD, PHD
NPI 1104677533 · Student in an Organized Health Care Education/Training Program · Stony Brook, NY
Cassie Liu, MD, PHD is a Student in an Organized Health Care Education/Training Program provider in Stony Brook, NY (NPI 1104677533).
Provider details
- NPI number
- 1104677533
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD, PHD
- Sex
- Female
- 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
2 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
- 2024-04-01
- Last updated
- 2024-09-24
- Certified
- 2024-09-24
Frequently asked questions
- What is Cassie Liu's NPI number?
- Cassie Liu's National Provider Identifier (NPI) is 1104677533, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassie Liu's specialty?
- Cassie 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 Cassie Liu located?
- Cassie Liu's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Cassie Liu's phone number?
- The practice phone number listed in the NPPES registry for Cassie Liu is (631) 444-7411.
- Is Cassie Liu's NPI active?
- Yes — Cassie Liu's NPI (1104677533) is active in the NPPES registry as of the last update on 2024-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.