Active NPI
Tiannan Wang, M.D.
- Cytopathology Physician
- Los Angeles, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Cytopathology Physician
- License
- A149981
- Practice address
- 1500 San Pablo St RM 216
Los Angeles, CA 90033-5313 - Phone
- (323) 442-2582
- NPI assigned
- Jun 4, 2014
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | A149981 | CA | |
| Cytopathology Physician | 207ZC0500X | A149981 | CA | Primary |
Addresses
Primary practice location
1500 San Pablo St RM 216
Los Angeles, CA 90033-5313
Mailing address
PO Box 31309
Los Angeles, CA 90031-0309
Phone (323) 442-2582
Other practice location 1
1500 Duarte Rd
Duarte, CA 91010-3012
Phone (800) 826-4673
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | direct@cityofhope.direct-ci.com | Direct | CITY OF HOPE MEDICAL FOUNDATION |
| Direct Messaging Address | tiannan.wang@direct.usc.edu | Direct | USC CARE MEDICAL GROUP, INC |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Pathology
- Education
- Other, 2000
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1441 Eastlake Ave
Suite 2424
Los Angeles, CA 90089-0112
Phone (323) 442-2582
1500 San Pablo St
Los Angeles, CA 90033-5313
Phone (323) 442-8444
1516 San Pablo St
Los Angeles, CA 90033-5313
Phone (800) 872-2273
1520 San Pablo St
Los Angeles, CA 90033-5310
Phone (800) 872-2273
1520 San Pablo St 1St Floor N
Los Angeles, CA 90033-5310
Phone (800) 872-2273
2011 Zonal Ave
Los Angeles, CA 90089-1016
Phone (323) 442-1156
Hospital & facility affiliations
- Usc Kenneth Norris Jr Cancer Hospital
- Keck Hospital of Usc
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A149981 | CA | MD | Anatomic Pathology & Clinical Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of Pittsburgh Physicians | Cytopathology | Current | Accepting new patients |
| Usc Care Medical Group, Inc | Anatomic Pathology & Clinical Pathology | Current | Accepting new patients |
| University of Pittsburgh Physicians | Current | Accepting new patients | |
| Usc Care Medical Group, Inc | Current | Accepting new patients | |
| University of Pittsburgh Physicians | Current | Accepting new patients | |
| Usc University Hospital, Inc. | Past | Accepting new patients | |
| Keck Medical Center of Usc | Past | Accepting new patients | |
| Usc Verdugo Hills Hospital, LLC | Past | Accepting new patients |
Locations
420 34th St
Bakersfield, CA 93301
Phone (661) 324-4647
11234 Anderson St
Loma Linda, CA 92350
Phone (909) 558-3016
1520 San Pablo St
Los Angeles, CA 90033
Phone (323) 442-5849
1500 San Pablo St
Rm 216
Los Angeles, CA 90033
1450 San Pablo St
Fl 2
Los Angeles, CA 90033
320 Main St
Johnstown, PA 15901
Phone (814) 533-0123
300 Halket St
Pittsburgh, PA 15213
Phone (412) 641-1000
2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864
Interoperability endpoints
- tiannan.wang@direct.usc.edu
Organizations & group practices 8
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.
-
- General Practice Physician
- Los Angeles, CA
- NPI 1902846306
Anatomic Pathology & Clinical Pathology
-
- Gastroenterology Physician
- Pittsburgh, PA
- NPI 1619935004
-
- Durable Medical Equipment & Medical Supplies
- Pasadena, CA
- NPI 1427937390
-
- Anatomic Pathology & Clinical Pathology Physician
- Pittsburgh, PA
- NPI 1245298652
Cytopathology
-
- Diagnostic Radiology Physician
- Pittsburgh, PA
- NPI 1285692699
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1417554528
-
- Psychiatric Hospital Unit
- Los Angeles, CA
- NPI 1790718500
-
- General Acute Care Hospital
- Glendale, CA
- NPI 1265875207
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1013514199
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1417554528
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1401840000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786406400000",
"number": "1003229329",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 31309",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900310309",
"telephone_number": "323-442-2582"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 SAN PABLO ST RM 216",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900335313",
"telephone_number": "323-442-2582"
}
],
"practiceLocations": [
{
"address_1": "1500 Duarte Rd",
"address_purpose": "LOCATION",
"city": "Duarte",
"state": "CA",
"postal_code": "910103012",
"country_code": "US",
"telephone_number": "800-826-4673",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WANG",
"first_name": "TIANNAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2014-06-04",
"last_updated": "2026-08-11",
"certification_date": "2026-08-11",
"status": "A"
},
"taxonomies": [
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "CA",
"license": "A149981",
"primary": false
},
{
"code": "207ZC0500X",
"taxonomy_group": "",
"desc": "Pathology, Cytopathology",
"state": "CA",
"license": "A149981",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "direct@cityofhope.direct-ci.com",
"affiliation": "Y",
"affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "1500 Duarte Rd",
"city": "Duarte",
"state": "CA",
"country_code": "US",
"postal_code": "910103012",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "tiannan.wang@direct.usc.edu",
"affiliation": "Y",
"affiliationName": "USC CARE MEDICAL GROUP, INC",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "1500 San Pablo St Rm 216",
"city": "Los Angeles",
"state": "CA",
"country_code": "US",
"postal_code": "900335313",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.