NPIMap

Individual provider Active NPI

Tan Chen, MD, FRCSC

  • Orthopaedic Surgery Physician
  • Alexandria, VA
National Provider Identifier
1528603370
Registry record updated Mar 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
0101286896 Issued in VA
Practice address
6355 Walker LN Ste 202
Alexandria, VA 22310-3246
Phone
(571) 472-6464
Fax
(703) 797-6981
NPI assigned
Nov 14, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 20, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X MD469124 PA
Orthopaedic Surgery of the Spine Physician 207XS0117X MD469124 PA
Orthopaedic Surgery Physician 207X00000X 0101286896 VA Primary

Addresses

Primary practice location

6355 Walker LN Ste 202
Alexandria, VA 22310-3246

Mailing address

6355 Walker LN Ste 202
Alexandria, VA 22310-3246
Phone (571) 472-6464

Other practice location 1

100 N Academy Ave
Danville, PA 17822-9800
Phone (800) 275-6401

Other practice location 2

1175 E Mountain Blvd
Wilkes Barre, PA 18702-7906
Phone (570) 808-1093

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tchen287468@direct.geisinger.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, DC, VA3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20200812003209 PA Practitioner - Orthopedic Surgery 9739505496 Reassigns benefits to 1 organization
I20251114000613 DC Practitioner - Orthopedic Surgery 9739505496 Reassigns benefits to 1 organization
I20260306003571 VA Practitioner - Orthopedic Surgery 9739505496 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Michigan State University College of Human Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Geisinger ClinicGroup PAC ID 5395657001, 3,432 clinicians
Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

1175 E Mountain Blvd
Suite 150723
Wilkes Barre, PA 18702-7906
Phone (570) 808-1093

14605 Potomac Branch Dr
Woodbridge, VA 22191-3337
Phone (703) 620-3211

2501 Parkers LN
Alexandria, VA 22306-3209

3299 Woodburn Rd
Annandale, VA 22003-7326
Phone (703) 205-2626

44045 Rivderside Pkwy
Leesburg, VA 20176-5101

6355 Walker LN
Alexandria, VA 22310-3251

8501 Arlington Blvd
Fairfax, VA 22031-4625

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Spinal fusion140
Laminectomy or laminotomy (partial removal of spine bones)23

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
0101286896VAMDOrthopaedic Surgery Physician
MD469124PAMDOrthopaedic Surgery of the Spine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger Clinic CurrentSince Sep 1, 2020 Accepting new patients
Inova Health Care Services CurrentSince Nov 3, 2025 Accepting new patients
Geisinger Medical Oncology Lock Haven CurrentSince Sep 1, 2020 Accepting new patients
Inova Health Care Services CurrentSince Jan 28, 2026 Accepting new patients
Geisinger Clinic Current Accepting new patients
Inova Health Care Services CurrentSince Nov 3, 2025 Accepting new patients
Geisinger Wyoming Valley Medical Center Past Accepting new patients

Locations

503 N 21st St
Camp Hill, PA 17011
Phone (717) 763-2100

100 N Academy Ave
Danville, PA 17822

6355 Walker Ln
Ste 202
Alexandria, VA 22310
Phone (703) 810-5210

3299 Woodburn Rd
Ste 370
Annandale, VA 22003
Phone (703) 573-2066

14605 Potomac Branch Dr
Ste 210
Woodbridge, VA 22191
Phone (703) 620-3211

Interoperability endpoints

  • Direct secure messaging: tchen1629598@soc.inova.org

Organizations & group practices 7

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.

Hospital & facility affiliations 23

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 23

NPI Registry JSON

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

{
    "created_epoch": "1573689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773964800000",
    "number": "1528603370",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6355 WALKER LN STE 202",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223103246",
            "telephone_number": "571-472-6464",
            "fax_number": "703-797-6981"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6355 WALKER LN STE 202",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223103246",
            "telephone_number": "571-472-6464",
            "fax_number": "703-797-6981"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 N Academy Ave",
            "address_purpose": "LOCATION",
            "city": "Danville",
            "state": "PA",
            "postal_code": "178229800",
            "country_code": "US",
            "telephone_number": "800-275-6401",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1175 E Mountain Blvd",
            "address_purpose": "LOCATION",
            "city": "Wilkes Barre",
            "state": "PA",
            "postal_code": "187027906",
            "country_code": "US",
            "telephone_number": "570-808-1093",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "TAN",
        "name_prefix": "Dr.",
        "credential": "MD, FRCSC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-11-14",
        "last_updated": "2026-03-20",
        "certification_date": "2026-03-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "PA",
            "license": "MD469124",
            "primary": false
        },
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "PA",
            "license": "MD469124",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "VA",
            "license": "0101286896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tchen287468@direct.geisinger.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1175 E Mountain Blvd",
            "city": "Wilkes Barre",
            "state": "PA",
            "country_code": "US",
            "postal_code": "187027906",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Alexandria, VA

Sources for this page

Verify at the official NPI Registry.