Active NPI
Cheng C Tsai, M.D.
- Immunopathology Physician
- Maryland Heights, MO
National Provider Identifier
1871664953
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Immunopathology Physician
- License
- MD35365
- Practice address
- 2326 Millpark Dr
Maryland Heights, MO 63043-3530 - Phone
- (314) 991-4313
- NPI assigned
- Nov 13, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Immunopathology Physician | 207ZI0100X | MD35365 | MO | Primary |
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | MD35365 | MO |
Addresses
Primary practice location
2326 Millpark Dr
Maryland Heights, MO 63043-3530
Mailing address
731 The Hamptons LN
Chesterfield, MO 63017-5901
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD35365 | MO | MD | Anatomic Pathology & Clinical Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| WCP Pathology, PC | Immunopathology | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1163376000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1871664953",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "731 THE HAMPTONS LN",
"city": "CHESTERFIELD",
"state": "MO",
"postal_code": "630175901"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2326 MILLPARK DR",
"city": "MARYLAND HEIGHTS",
"state": "MO",
"postal_code": "630433530",
"telephone_number": "314-991-4313"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TSAI",
"first_name": "CHENG",
"middle_name": "C",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-11-13",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207ZI0100X",
"taxonomy_group": "",
"desc": "Pathology, Immunopathology",
"state": "MO",
"license": "MD35365",
"primary": true
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "MO",
"license": "MD35365",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Maryland Heights, MO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.