Active NPI
Simon Oanhuk Choi, FNP
- Family Nurse Practitioner
- Leesburg, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 2022064121
- Practice address
- 19305 Ruby Dr
Leesburg, VA 20176-6508 - Phone
- (866) 389-2727
- NPI assigned
- Dec 13, 2022
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 2022064121 | VA | Primary |
Addresses
Primary practice location
19305 Ruby Dr
Leesburg, VA 20176-6508
Mailing address
19305 Ruby Dr
Leesburg, VA 20176-6508
Other practice location 1
8551 Rixlew Ln Ste 140
Manassas, VA 20109-4278
Phone (703) 361-4357
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1200 Edwards Ferry Rd NE
Leesburg, VA 20176-3318
Phone (866) 389-2727
14380 McGraws Corner Dr
Gainesville, VA 20155-1866
Phone (866) 389-2727
19305 Ruby Dr
Leesburg, VA 20176-6508
Phone (866) 389-2727
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2022064121 | VA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Privia Medical Group, LLC | Current | Accepting new patients | |
| Privia Medical Group, LLC | Current | Accepting new patients | |
| Altmed Medical Center, Inc | Past | Accepting new patients | |
| Rapha Medical Group, LLC | Past | Accepting new patients |
Locations
8644 Sudley Rd
#220
Manassas, VA 20110
Interoperability endpoints
- https://api.platform.athenahealth.com/24525/brand/1/csg/1/fhir/r4
Organizations & group practices 6
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.
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- Pain Medicine (Psychiatry & Neurology) Physician
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- NPI 1811715436
-
- Addiction Medicine (Preventive Medicine) Physician
- Manassas, VA
- NPI 1154561389
-
- Internal Medicine Physician
- Centreville, VA
- NPI 1356910194
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1670889600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773360000000",
"number": "1013628783",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "19305 RUBY DR",
"city": "LEESBURG",
"state": "VA",
"postal_code": "201766508"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "19305 RUBY DR",
"city": "LEESBURG",
"state": "VA",
"postal_code": "201766508",
"telephone_number": "866-389-2727"
}
],
"practiceLocations": [
{
"address_1": "8551 Rixlew Ln Ste 140",
"address_purpose": "LOCATION",
"city": "Manassas",
"state": "VA",
"postal_code": "201094278",
"country_code": "US",
"telephone_number": "703-361-4357",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHOI",
"first_name": "SIMON",
"middle_name": "OANHUK",
"credential": "FNP",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-12-13",
"last_updated": "2026-03-13",
"certification_date": "2026-03-13",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "VA",
"license": "2022064121",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"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 Mar 13, 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.