Active NPI
Mingjian James You, M.D., PH.D.
- Hematology (Pathology) Physician
- Duarte, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology (Pathology) Physician
- License
- C204470
- Practice address
- 1500 Duarte Rd
Duarte, CA 91010-3012 - Phone
- (800) 826-4673
- NPI assigned
- Nov 15, 2005
- Last updated
- Sep 11, 2025
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anatomic Pathology Physician | 207ZP0101X | C204470 | CA | |
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | M7778 | TX | |
| Hematology (Pathology) Physician | 207ZH0000X | C204470 | CA | Primary |
| Anatomic Pathology Physician | 207ZP0101X | 223897 | MA |
Addresses
Primary practice location
1500 Duarte Rd
Duarte, CA 91010-3012
Mailing address
PO Box 512185
Los Angeles, CA 90051-0185
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 188894301 | Medicaid | TX | |
| P00455704 | Other | TX | RR MEDICARE |
| 8U7582 | Other | TX | BCBS |
Other names 1
- Dr. Mingjian You
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | direct@cityofhope.direct-ci.com | Direct | CITY OF HOPE MEDICAL FOUNDATION |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Pathology
- Education
- Other, 1986
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1500 Duarte Rd
Duarte, CA 91010-3012
Phone (626) 256-4673
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 84.29 of 100
- Quality
- 70.82
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 67.65
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine, Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C204470 | CA | MD | Hematology (Pathology) Physician |
| 223897 | MA | MD | Anatomic Pathology Physician |
| M7778 | TX | MD | Anatomic Pathology & Clinical Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| City of Hope Medical Foundation | Anatomic Pathology & Clinical Pathology | Current | Accepting new patients |
Locations
1500 Duarte Rd
Duarte, CA 91010
Phone (626) 359-8111
1601 Avocado Ave
Newport Beach, CA 92660
Phone (949) 763-2204
6939 Palm Ct
Riverside, CA 92506
Phone (760) 416-4832
209 Fair Oaks Ave
South Pasadena, CA 91030
Phone (626) 359-8111
1100 San Bernardino Rd
Ste 1100
Upland, CA 91786
Phone (909) 949-2242
Interoperability endpoints
- direct@cityofhope.direct-ci.com
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba City of Hope Duarte
- Hematology & Oncology Physician
- Duarte, CA
- NPI 1871886366
Anatomic Pathology & Clinical Pathology
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Duarte, CA
- NPI 1750358297
-
- General Acute Care Hospital
- Houston, TX
- NPI 1174582050
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1132012800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1659353845",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 512185",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900510185"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1500 DUARTE RD",
"city": "DUARTE",
"state": "CA",
"postal_code": "910103012",
"telephone_number": "800-826-4673"
}
],
"practiceLocations": [],
"basic": {
"last_name": "YOU",
"first_name": "MINGJIAN",
"middle_name": "JAMES",
"name_prefix": "Dr.",
"credential": "M.D., PH.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-11-15",
"last_updated": "2025-09-11",
"certification_date": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "207ZP0101X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology",
"state": "CA",
"license": "C204470",
"primary": false
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "TX",
"license": "M7778",
"primary": false
},
{
"code": "207ZH0000X",
"taxonomy_group": "",
"desc": "Pathology, Hematology",
"state": "CA",
"license": "C204470",
"primary": true
},
{
"code": "207ZP0101X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology",
"state": "MA",
"license": "223897",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "188894301",
"state": "TX"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "RR MEDICARE",
"identifier": "P00455704",
"state": "TX"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS",
"identifier": "8U7582",
"state": "TX"
}
],
"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"
}
],
"other_names": [
{
"first_name": "MINGJIAN",
"last_name": "YOU",
"prefix": "DR.",
"credential": "M.D., PH.D.",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Duarte, CA
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.
- 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.