Katherine Li, MD
NPI 1538904255 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Li, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1538904255).
Provider details
- NPI number
- 1538904255
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2024-06-25
- Last updated
- 2025-06-13
- Certified
- 2025-06-13
Frequently asked questions
- What is Katherine Li's NPI number?
- Katherine Li's National Provider Identifier (NPI) is 1538904255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Li's specialty?
- Katherine Li is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Li located?
- Katherine Li's practice location on file with NPPES is 660 S Euclid Ave, Saint Louis, MO 63110-1010.
- What is Katherine Li's phone number?
- The practice phone number listed in the NPPES registry for Katherine Li is (314) 362-8065.
- Does Katherine Li accept Medicare?
- Katherine Li is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Li's NPI active?
- Yes — Katherine Li's NPI (1538904255) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.