Christina Tsai
NPI 1023646833 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Tsai is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1023646833).
Provider details
- NPI number
- 1023646833
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- 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 tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$297 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-28
- Last updated
- 2023-08-07
- Certified
- 2023-08-07
Frequently asked questions
- What is Christina Tsai's NPI number?
- Christina Tsai's National Provider Identifier (NPI) is 1023646833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Tsai's specialty?
- Christina Tsai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Tsai located?
- Christina Tsai's practice location on file with NPPES is 3660 Vista Ave, Saint Louis, MO 63110-2540.
- What is Christina Tsai's phone number?
- The practice phone number listed in the NPPES registry for Christina Tsai is (314) 977-6100.
- Does Christina Tsai accept Medicare?
- Christina Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Tsai's NPI active?
- Yes — Christina Tsai's NPI (1023646833) is active in the NPPES registry as of the last update on 2023-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.