Active NPI
Guangyuan Li, M.D.
- Anatomic Pathology & Clinical Pathology Physician
- Leesburg, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anatomic Pathology & Clinical Pathology Physician
- License
- 341948
- Practice address
- 44045 Riverside Pkwy
Leesburg, VA 20176-5101 - Phone
- (703) 858-6000
- Fax
- (703) 858-6900
- NPI assigned
- Apr 12, 2013
- 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 & Clinical Pathology Physician | 207ZP0102X | 0101275768 | VA | |
| Anatomic Pathology Physician | 207ZP0101X | 036147312 | IL | |
| Anatomic Pathology & Clinical Pathology Physician | 207ZP0102X | 341948 | NY | Primary |
| Molecular Genetic Pathology (Pathology) Physician | 207ZP0007X | 0101275768 | VA |
Addresses
Primary practice location
44045 Riverside Pkwy
Leesburg, VA 20176-5101
Mailing address
PO Box 37504
Baltimore, MD 21297-3504
Phone (703) 321-3700
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| CONNECT URL | https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service | Other | Bluemark LLC / Office Ally |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL, IN, DC, VA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Pathology
- Education
- Other, 2001
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2501 Parkers LN
Alexandria, VA 22306-3209
Phone (703) 664-7000
3023 Hamaker CT
Suite 400
Fairfax, VA 22031-2247
Phone (571) 226-8380
3300 Gallows Rd
Falls Church, VA 22042-3307
Phone (703) 776-4001
3600 Joseph Siewick Dr
Fairfax, VA 22033-1709
Phone (703) 391-3600
4320 Seminary Rd
Alexandria, VA 22304-1535
Phone (703) 504-3000
44045 Rivderside Pkwy
Leesburg, VA 20176-5101
Phone (703) 858-6000
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Northwestern Medical Faculty Foundation | Current | Accepting new patients | |
| Northwestern Medical Faculty Foundation | Current | Accepting new patients | |
| Northwest Indiana Pathology Consultants PC | Anatomic Pathology & Clinical Pathology | Current | Accepting new patients |
| Inova Health Care Services - Pathology | Anatomic Pathology & Clinical Pathology | Current | Accepting new patients |
| Central Dupage Physician Group | Past | Accepting new patients |
Locations
Dept 5777
Carol Stream, IL 60122
680 N Lake Shore Dr
Ste 1000
Chicago, IL 60611
Phone (312) 695-4022
7750 Solution Ctr
Chicago, IL 60677
251 E Huron St
Ste 7220
Chicago, IL 60611
Phone (312) 503-8144
660 N Westmoreland Rd
#302
Lake Forest, IL 60045
4321 Fir St
East Chicago, IN 46312
Phone (219) 392-1700
901 MacArthur Blvd
Munster, IN 46321
Phone (219) 703-1443
3023 Hamaker Ct
Ste 400
Fairfax, VA 22031
Phone (571) 226-8380
44045 Riverside Pkwy
Leesburg, VA 20176
Phone (703) 858-6040
Organizations & group practices 5
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.
-
- Anatomic Pathology & Clinical Pathology Physician
- Falls Church, VA
- NPI 1427369578
DC
-
- Anatomic Pathology & Clinical Pathology Physician
- Munster, IN
- NPI 1669459632
-
- Multi-Specialty Clinic/Center
- Carol Stream, IL
- NPI 1346235314
-
- Durable Medical Equipment & Medical Supplies
- Chicago, IL
- NPI 1417718479
-
- Family Medicine Physician
- Carol Stream, IL
- NPI 1033149844
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Alexandria, VA
- NPI 1255684460
-
- Psychiatric Hospital Unit
- Leesburg, VA
- NPI 1285786228
-
- General Acute Care Hospital
- Leesburg, VA
- NPI 1376564302
-
- Rehabilitation Hospital Unit
- Falls Church, VA
- NPI 1588795462
-
- General Acute Care Hospital
- Fairfax, VA
- NPI 1760513980
-
- General Acute Care Hospital
- Falls Church, VA
- NPI 1831220714
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1365724800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785369600000",
"number": "1912340589",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 37504",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212973504",
"telephone_number": "703-321-3700",
"fax_number": "703-321-3701"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "44045 RIVERSIDE PKWY",
"city": "LEESBURG",
"state": "VA",
"postal_code": "201765101",
"telephone_number": "703-858-6000",
"fax_number": "703-858-6900"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LI",
"first_name": "GUANGYUAN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-04-12",
"last_updated": "2026-07-30",
"certification_date": "2026-07-30",
"status": "A"
},
"taxonomies": [
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "VA",
"license": "0101275768",
"primary": false
},
{
"code": "207ZP0101X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology",
"state": "IL",
"license": "036147312",
"primary": false
},
{
"code": "207ZP0102X",
"taxonomy_group": "",
"desc": "Pathology, Anatomic Pathology & Clinical Pathology",
"state": "NY",
"license": "341948",
"primary": true
},
{
"code": "207ZP0007X",
"taxonomy_group": "",
"desc": "Pathology, Molecular Genetic Pathology",
"state": "VA",
"license": "0101275768",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "CONNECT",
"endpointTypeDescription": "CONNECT URL",
"endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
"affiliation": "Y",
"endpointDescription": "2.16.840.1.113883.3.2019.3",
"affiliationName": "Bluemark LLC / Office Ally",
"use": "OTHER",
"useDescription": "Other",
"useOtherDescription": "CMS esMD eMDR",
"address_1": "1300 SE Cardinal Ct Ste 190",
"city": "Vancouver",
"state": "WA",
"country_code": "US",
"postal_code": "986839683",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Leesburg, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.