Organization Active NPI

Pulmonary & Critical Care Specialists of Northern VA, PC

  • Pulmonary Disease Physician
  • Fairfax, VA
National Provider Identifier
1942392980
Registry record updated Jan 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
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

Updated by the provider on Jan 30, 2026

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)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RC0200X
Pulmonary Disease PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 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, DC2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20041005000094 VA Part B Supplier - Clinic/Group Practice 0749249969 Receives reassigned benefits from 6 practitioners
Practice locations: Manassas, VA
O20051207000500 DC Part B Supplier - Clinic/Group Practice 0749249969 Receives reassigned benefits from 10 practitioners
Practice locations: Fairfax, VA; Reston, VA

National Provider Directory

National Provider Directory

Locations

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.

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.

Verify at the official NPI Registry.