Active NPI
Joel C Locsin, FNP-BC
- Family Nurse Practitioner
- Vienna, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 0024173849
- Practice address
- 180 Maple Ave W
Vienna, VA 22180-5727 - Phone
- (571) 363-3539
- Fax
- (571) 363-3540
- NPI assigned
- Sep 30, 2016
- 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 | 0024173849 | VA | Primary |
Addresses
Primary practice location
180 Maple Ave W
Vienna, VA 22180-5727
Mailing address
PO Box 791775
Baltimore, MD 21279-1775
Phone (571) 302-5000
Other practice location 1
8700 Sudley Rd
Novant Prince William Hospital Emergency Department
Manassas, VA 20110-4418
Phone (703) 369-8337
Other practice location 2
6201 Centreville Rd Ste 200
Centreville, VA 20121-2626
Phone (571) 549-8577
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
- University of Virginia School of Medicine, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
180 Maple Ave W
Vienna, VA 22180-5727
Phone (703) 938-5300
24801 Pinebrook Rd
Suite 110
Chantilly, VA 20152-4113
Phone (703) 722-2500
Merit-based Incentive Payment System (MIPS)
- Final score
- 88.6 of 100
- Quality
- 84.42
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 77.58
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 0024173843 | VA | MD | Family Nurse Practitioner |
| 0024173849 | VA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Inova Ucc LLC | Current | Accepting new patients | |
| Medstar Urgent Care, LLC | Current | Accepting new patients | |
| Emergency Medicine Associates, P.a.,P.C. | Current | Accepting new patients | |
| Emergency Medicine Associates P.a., P.C. | Current | Accepting new patients |
Locations
1805 Columbia Rd NW
Washington, DC 20009
Phone (202) 797-4950
6317 York Rd
Baltimore, MD 21212
Phone (443) 777-6890
20010 Century Blvd
Ste 200
Germantown, MD 20874
3064 Waldorf Market Pl
Waldorf, MD 20603
Phone (301) 932-5960
11915 Georgia Ave
Wheaton, MD 20902
Phone (301) 942-4505
6218 N Kings Hwy
Alexandria, VA 22303
4600 Langston Blvd
Arlington, VA 22207
Phone (571) 492-3080
20070 Ashbrook Commons Plz
Ashburn, VA 20147
Phone (571) 223-0517
6201 Centreville Rd
Ste 200
Centreville, VA 20121
Phone (703) 830-5600
24801 Pinebrook Rd
Ste 110
Chantilly, VA 20152
Phone (703) 722-2500
7637 Linton Hall Rd
Gainesville, VA 20155
Phone (703) 743-7000
15225 Heathcote Blvd
Haymarket, VA 20169
Phone (571) 284-1000
2425 Centreville Rd
Ste 7
Herndon, VA 20171
Phone (571) 376-4000
8700 Sudley Rd
Manassas, VA 20110
Phone (703) 369-8000
180 Maple Ave W
Vienna, VA 22180
Phone (703) 938-5300
Interoperability endpoints
- jlocsin1128827@soc.inova.org
Organizations & group practices 4
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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- NPI 1881559102
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1475193600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776988800000",
"number": "1417406562",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 791775",
"city": "BALTIMORE",
"state": "MD",
"postal_code": "212791775",
"telephone_number": "571-302-5000",
"fax_number": "571-302-5001"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "180 MAPLE AVE W",
"city": "VIENNA",
"state": "VA",
"postal_code": "221805727",
"telephone_number": "571-363-3539",
"fax_number": "571-363-3540"
}
],
"practiceLocations": [
{
"address_1": "8700 Sudley Rd",
"address_2": "Novant Prince William Hospital Emergency Department",
"address_purpose": "LOCATION",
"city": "Manassas",
"state": "VA",
"postal_code": "201104418",
"country_code": "US",
"telephone_number": "703-369-8337",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "6201 Centreville Rd Ste 200",
"address_purpose": "LOCATION",
"city": "Centreville",
"state": "VA",
"postal_code": "201212626",
"country_code": "US",
"telephone_number": "571-549-8577",
"fax_number": "571-549-8578",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LOCSIN",
"first_name": "JOEL",
"middle_name": "C",
"credential": "FNP-BC",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2016-09-30",
"last_updated": "2026-04-24",
"certification_date": "2026-04-24",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "VA",
"license": "0024173849",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Vienna, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 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.