Active NPI
Michael Andrew Fox, MD
- Sports Medicine (Orthopaedic Surgery) Physician
- Fairfax, VA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Sports Medicine (Orthopaedic Surgery) Physician
- License
- 0101285651
- Practice address
- 3620 Joseph Siewick Dr Ste 100
Fairfax, VA 22033-1757 - Phone
- (703) 810-5223
- Fax
- (703) 810-5403
- NPI assigned
- Mar 22, 2019
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Sports Medicine (Orthopaedic Surgery) Physician | 207XX0005X | 0101285651 | VA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
3620 Joseph Siewick Dr Ste 100
Fairfax, VA 22033-1757
Mailing address
PO Box 715868
Philadelphia, PA 19171-5868
Phone (804) 915-1910
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in DC
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Orthopedic Surgery
- Education
- University of Virginia School of Medicine, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3620 Joseph Siewick Dr
Suite 100
Fairfax, VA 22033-1757
Phone (703) 810-5210
Hospital & facility affiliations
- Inova Fair Oaks Hospital
- Reston Hospital Center
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Lower limb (leg) arthroscopy (minimally invasive joint repair) | 1-10 |
| Upper limb (arm) arthroscopy (minimally invasive joint repair) | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Orthovirginia, Inc | Current | Accepting new patients | |
| Orthovirginia Inc. | Current | Accepting new patients | |
| Orthovirginia, Inc. | Past | Accepting new patients |
Locations
6354 Walker Ln
Ste 300
Alexandria, VA 22310
Phone (703) 810-5210
3620 Joseph Siewick Dr
Ste 100
Fairfax, VA 22033
Phone (703) 277-2663
Interoperability endpoints
- mfox578605@direct.medicine.duke.edu
Organizations & group practices 3
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.
-
- Physical Medicine & Rehabilitation Physician
- Arlington, VA
- NPI 1376411413
-
- Multi-Specialty Clinic/Center
- North Chesterfield, VA
- NPI 1265470645
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Fairfax, VA
- NPI 1760513980
-
- General Acute Care Hospital
- Reston, VA
- NPI 1053363853
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1553212800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1762473600000",
"number": "1063972446",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 715868",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191715868",
"telephone_number": "804-915-1910",
"fax_number": "804-968-1810"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3620 JOSEPH SIEWICK DR STE 100",
"city": "FAIRFAX",
"state": "VA",
"postal_code": "220331757",
"telephone_number": "703-810-5223",
"fax_number": "703-810-5403"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FOX",
"first_name": "MICHAEL",
"middle_name": "ANDREW",
"name_prefix": "Mr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2019-03-22",
"last_updated": "2025-11-07",
"certification_date": "2025-11-07",
"status": "A"
},
"taxonomies": [
{
"code": "207XX0005X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery, Sports Medicine",
"state": "VA",
"license": "0101285651",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"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 Nov 7, 2025; 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.