Active NPI
Justin Ren Yuan Chang, MD
- Anatomic Pathology & Clinical Pathology Physician
- Richmond, VA
National Provider Identifier
1972273530
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anatomic Pathology & Clinical Pathology Physician
- License
- 0116036080
- Practice address
- 1200 E Marshall St
Richmond, VA 23298-5023 - Phone
- (804) 828-7284
- Fax
- (804) 628-8734
- NPI assigned
- Sep 15, 2021
- 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 |
|---|---|---|---|---|
| Cytopathology Physician | 207ZC0500X | 0101284132 | VA | |
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | 0116036080 | VA | Primary |
Addresses
Primary practice location
1200 E Marshall St
Richmond, VA 23298-5023
Mailing address
PO Box 780125
Philadelphia, PA 19178-0125
Phone (804) 922-4844
Other practice location 1
403 N 13th St
Richmond, VA 23298-5030
Phone (804) 828-7284
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0101284132 | VA | MD | Cytopathology Physician |
| 0116036080 | VA | MD | Anatomic Pathology & Clinical Pathology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| MCV Associated Physicians | Anatomic Pathology & Clinical Pathology | 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.
-
- Anesthesiology Physician
- Richmond, VA
- NPI 1710959457
Anatomic Pathology & Clinical Pathology
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1631664000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786492800000",
"number": "1972273530",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 780125",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191780125",
"telephone_number": "804-922-4844"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1200 E MARSHALL ST",
"city": "RICHMOND",
"state": "VA",
"postal_code": "232985023",
"telephone_number": "804-828-7284",
"fax_number": "804-628-8734"
}
],
"practiceLocations": [
{
"address_1": "403 N 13th St",
"address_purpose": "LOCATION",
"city": "Richmond",
"state": "VA",
"postal_code": "232985030",
"country_code": "US",
"telephone_number": "804-828-7284",
"fax_number": "804-628-8724",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHANG",
"first_name": "JUSTIN",
"middle_name": "REN YUAN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-09-15",
"last_updated": "2026-08-12",
"certification_date": "2026-08-12",
"status": "A"
},
"taxonomies": [
{
"code": "207ZC0500X",
"taxonomy_group": "",
"desc": "Pathology, Cytopathology",
"state": "VA",
"license": "0101284132",
"primary": false
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "VA",
"license": "0116036080",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Richmond, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.