Active NPI
Sydonie Bongam, DNP, PMHNP-BC, FNP-C
- Psychiatric/Mental Health Nurse Practitioner
- Purcellville, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner
- License
- 0024176878
- Practice address
- 201 N Maple Ave Unit 200
Purcellville, VA 20132-6102 - Phone
- (703) 662-5899
- NPI assigned
- Oct 10, 2018
- Last updated
- Mar 19, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | R200143 | MD | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | NP1035308 | DC | |
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | 0024176878 | VA | Primary |
Addresses
Primary practice location
201 N Maple Ave Unit 200
Purcellville, VA 20132-6102
Mailing address
15962 Paynes Farm Dr
Haymarket, VA 20169-8189
Other practice location 1
9909 Medical Center Dr
Rockville, MD 20850-6361
Phone (240) 554-7071
Other practice location 2
801 Pennsylvania Ave SE
Washington, DC 20003-2167
Phone (202) 546-1512
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| R200143 | Other | MD | AANP |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MD, DC, VA, PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 4
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
801 Pennsylvania Ave SE
Suite 201
Washington, DC 20003-2152
Phone (202) 683-1100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| NP1035308 | DC | MD | Psychiatric/Mental Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lancaster Behavioral Health Hospital LLC | Current | Accepting new patients | |
| Therapy Solutions, LLC | Current | Accepting new patients | |
| Community Connections Inc | Current | Accepting new patients | |
| Ravi Passi MD PC | Current | Accepting new patients | |
| Signify Health, LLC | Current | Accepting new patients | |
| Columbia Associates in Psychiatry PC | Psychiatric/Mental Health | Current | Accepting new patients |
| Solace Grove Psychiatry PLLC | Psychiatric/Mental Health | Current | Accepting new patients |
| Dynamic Visions Inc | Past | Accepting new patients |
Locations
801 Pennsylvania Ave SE
Washington, DC 20003
Phone (202) 546-1512
801 Pennsylvania Ave SE
Ste 201
Washington, DC 20003
Phone (202) 281-3988
848 S Rolling Rd
Catonsville, MD 21228
Phone (301) 527-1650
15245 Shady Grove Rd
Ste 130
Rockville, MD 20850
Phone (301) 527-1650
333 Harrisburg Ave
Lancaster, PA 17603
Phone (717) 740-4100
4055 Valley View Ln
Ste 400
Dallas, TX 75244
Phone (469) 466-7037
2501 N Glebe Rd
Ste 303
Arlington, VA 22207
Phone (703) 485-9519
2960 Sleepy Hollow Rd
Falls Church, VA 22044
Phone (703) 304-7764
201 N Maple Ave
Unit 200
Purcellville, VA 20132
Phone (703) 662-5899
1806 Summit Ave
Richmond, VA 23230
Phone (804) 352-2487
Organizations & group practices 8
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Washington, DC
- NPI 1407872575
-
- Psychiatry Physician
- Arlington, VA
- NPI 1699012930
DC, Psychiatric/Mental Health
-
dba Lancaster Behavioral Health Hospital
- Psychiatric Hospital
- Lancaster, PA
- NPI 1063929115
-
dba Advanced Primary & Geriatric Care
- Geriatric Medicine (Internal Medicine) Physician
- Rockville, MD
- NPI 1447229281
DC
-
- Psychiatric/Mental Health Nurse Practitioner
- Fairfax, VA
- NPI 1851249486
-
- Adult Mental Health Clinic/Center
- Purcellville, VA
- NPI 1316584048
-
- Home Health Agency
- Washington, DC
- NPI 1710004296
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1539129600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773878400000",
"number": "1881169415",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15962 PAYNES FARM DR",
"city": "HAYMARKET",
"state": "VA",
"postal_code": "201698189"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "201 N MAPLE AVE UNIT 200",
"city": "PURCELLVILLE",
"state": "VA",
"postal_code": "201326102",
"telephone_number": "703-662-5899"
}
],
"practiceLocations": [
{
"address_1": "9909 Medical Center Dr",
"address_purpose": "LOCATION",
"city": "Rockville",
"state": "MD",
"postal_code": "208506361",
"country_code": "US",
"telephone_number": "240-554-7071",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "801 Pennsylvania Ave SE",
"address_purpose": "LOCATION",
"city": "Washington",
"state": "DC",
"postal_code": "200032167",
"country_code": "US",
"telephone_number": "202-546-1512",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BONGAM",
"first_name": "SYDONIE",
"credential": "DNP, PMHNP-BC, FNP-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2018-10-10",
"last_updated": "2026-03-19",
"certification_date": "2026-03-19",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MD",
"license": "R200143",
"primary": false
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "DC",
"license": "NP1035308",
"primary": false
},
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "VA",
"license": "0024176878",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AANP",
"identifier": "R200143",
"state": "MD"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Purcellville, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 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.