Cheng Tsai, M.D.
NPI 1871664953 · Immunopathology Physician · Maryland Heights, MO
Cheng Tsai, M.D. is a Immunopathology Physician provider in Maryland Heights, MO (NPI 1871664953).
Provider details
- NPI number
- 1871664953
- Entity type
- Individual
- Primary specialty
- Immunopathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD35365 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2006-11-13
- Last updated
- 2025-09-11
Frequently asked questions
- What is Cheng Tsai's NPI number?
- Cheng Tsai's National Provider Identifier (NPI) is 1871664953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cheng Tsai's specialty?
- Cheng Tsai is listed in the NPPES registry with a primary specialty of Immunopathology Physician (Allopathic & Osteopathic Physicians).
- Where is Cheng Tsai located?
- Cheng Tsai's practice location on file with NPPES is 2326 Millpark Dr, Maryland Heights, MO 63043-3530.
- What is Cheng Tsai's phone number?
- The practice phone number listed in the NPPES registry for Cheng Tsai is (314) 991-4313.
- Is Cheng Tsai's NPI active?
- Yes — Cheng Tsai's NPI (1871664953) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.