Active NPI
Pulmonary & Critical Care Specialists of Northern VA, PC
- Pulmonary Disease Physician
- Fairfax, VA
National Provider Identifier
1942392980
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pulmonary Disease Physician
- Legal business name
- PULMONARY & CRITICAL CARE SPECIALISTS OF NORTHERN VA, PC
- Practice address
- 3650 Joseph Siewick Dr Ste 110
Fairfax, VA 22033-1711 - Phone
- (703) 391-8804
- Fax
- (703) 391-5659
- NPI assigned
- Sep 28, 2006
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Ms. Denise E Bellerdine
- Title
- Asst. Practice Administrator
- Phone
- (703) 390-1172
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | |||
| Pulmonary Disease Physician | 207RP1001X | Primary |
Addresses
Primary practice location
3650 Joseph Siewick Dr Ste 110
Fairfax, VA 22033-1711
Mailing address
3650 Joseph Siewick Dr Ste 110
Fairfax, VA 22033-1711
Phone (703) 391-8804
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, DC
Enrollment records 2
National Provider Directory
National Provider DirectoryLocations
3650 Joseph Siewick Dr
Ste 307
Fairfax, VA 22033
Phone (703) 391-2543
8560 Sudley Rd Ste 410
Manassas, VA 20110
Practitioners & affiliated clinicians
Practitioners 10
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.
-
- Pulmonary Disease Physician
- Fairfax, VA
- NPI 1427050756
Critical Care Medicine, DC
-
- Pulmonary Disease Physician
- Fairfax, VA
- NPI 1093717324
Critical Care Medicine, DC
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159401600000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1769731200000",
"number": "1942392980",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3650 JOSEPH SIEWICK DR STE 110",
"city": "FAIRFAX",
"state": "VA",
"postal_code": "220331711",
"telephone_number": "703-391-8804",
"fax_number": "703-391-5659"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3650 JOSEPH SIEWICK DR STE 110",
"city": "FAIRFAX",
"state": "VA",
"postal_code": "220331711",
"telephone_number": "703-391-8804",
"fax_number": "703-391-5659"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "PULMONARY & CRITICAL CARE SPECIALISTS OF NORTHERN VA, PC",
"organizational_subpart": "NO",
"enumeration_date": "2006-09-28",
"last_updated": "2026-01-30",
"certification_date": "2026-01-30",
"status": "A",
"authorized_official_last_name": "BELLERDINE",
"authorized_official_first_name": "DENISE",
"authorized_official_middle_name": "E",
"authorized_official_title_or_position": "ASST. PRACTICE ADMINISTRATOR",
"authorized_official_telephone_number": "703-390-1172",
"authorized_official_name_prefix": "Ms."
},
"taxonomies": [
{
"code": "207RC0200X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Critical Care Medicine",
"state": null,
"license": null,
"primary": false
},
{
"code": "207RP1001X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Internal Medicine, Pulmonary Disease",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fairfax, VA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.