Individual provider Active NPI

Christine M Klam, NP

  • Women's Health Nurse Practitioner
  • Fairfax, VA
National Provider Identifier
1336684729
Registry record updated Apr 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Women's Health Nurse PractitionerTaxonomy code 363LW0102X
License
0024173878 Issued in VA
Practice address
3620 Joseph Siewick Dr Ste 307
Fairfax, VA 22033-1760
Phone
(703) 391-3180
Fax
(703) 391-3390
NPI assigned
Dec 21, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 23, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Women's Health Nurse Practitioner 363LW0102X 0024173878 VA Primary

Addresses

Primary practice location

3620 Joseph Siewick Dr Ste 307
Fairfax, VA 22033-1760

Mailing address

PO Box 37174
Baltimore, MD 21297-3174
Phone (571) 423-5699

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20170227000962 DC Practitioner - Nurse Practitioner 8527342104 Reassigns benefits to 2 organizations
I20170313000363 VA Practitioner - Nurse Practitioner 8527342104 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Drexel University College of Medicine, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

24801 Pinebrook Rd
Suite 204
Chantilly, VA 20152-4113
Phone (703) 722-2512

3300 Gallows Rd
Falls Church, VA 22042-3307

3620 Joseph Siewick Dr
Suite 101
Fairfax, VA 22033-1757
Phone (703) 348-4716

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Inova Health Care Services CurrentSince Feb 24, 2025 Accepting new patients
Privia Medical Group, LLC CurrentSince Apr 4, 2021 Accepting new patients
Privia Medical Group, LLC CurrentSince Apr 4, 2021 Accepting new patients
Inova Health Care Services CurrentSince Feb 24, 2025 Accepting new patients
Inova Health Care Services CurrentSince Feb 28, 2025 Accepting new patients

Locations

9470 Annapolis Rd
Ste 309
Lanham, MD 20706
Phone (202) 832-1800

24801 Pinebrook Rd
Ste 204
Chantilly, VA 20152
Phone (703) 430-7779

8095 Innovation Park Dr
Bldg C
Fairfax, VA 22031
Phone (571) 472-6253

3620 Joseph Siewick Dr
Ste 307
Fairfax, VA 22033
Phone (703) 281-1023

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

19490 Sandridge Way
Ste 350
Leesburg, VA 20176
Phone (703) 858-5599

1830 Town Center Dr
Ste 309
Reston, VA 20190
Phone (703) 437-0001

1850 Town Center Pkwy
Ste 650
Reston, VA 20190
Phone (571) 203-1300

Interoperability endpoints

  • Direct secure messaging: cklam1458777@soc.inova.org

Organizations & group practices 5

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1482278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1336684729",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 37174",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212973174",
            "telephone_number": "571-423-5699",
            "fax_number": "571-423-5698"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3620 JOSEPH SIEWICK DR STE 307",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331760",
            "telephone_number": "703-391-3180",
            "fax_number": "703-391-3390"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLAM",
        "first_name": "CHRISTINE",
        "middle_name": "M",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-12-21",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "VA",
            "license": "0024173878",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

Verify at the official NPI Registry.