Active NPI
Austin H. Chhoeu, D.O.
- Aerospace Medicine Physician
- Washington, DC
National Provider Identifier
1437225810
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Aerospace Medicine Physician
- License
- 20A7222
- Practice address
- 5801 Defense Pentagon
Washington, DC 20310-5650 - Phone
- (703) 692-8810
- NPI assigned
- Nov 28, 2006
- Last updated
- Mar 11, 2026
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Aerospace Medicine Physician | 2083A0100X | 20A7222 | CA | Primary |
| Undersea and Hyperbaric Medicine (Preventive Medicine) Physician | 2083P0011X | 20A7222 | CA | |
| Preventive Medicine/Occupational Environmental Medicine Physician | 2083P0500X | 20A7222 | CA |
Addresses
Primary practice location
5801 Defense Pentagon
Washington, DC 20310-5650
Mailing address
9300 Dewitt Loop
Fort Belvoir, VA 22060-5285
Phone (571) 231-2897
Other practice location 1
Building 300 Hospital Road
Eisenhower Army Medical Center
Fort Gordon, GA 30905-5650
Phone (706) 787-2720
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Jun 22, 2026 through Jun 22, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20A7222 | CA | MD | Undersea and Hyperbaric Medicine (Preventive Medicine) Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1164672000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1773187200000",
"number": "1437225810",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9300 DEWITT LOOP",
"city": "FORT BELVOIR",
"state": "VA",
"postal_code": "220605285",
"telephone_number": "571-231-2897",
"fax_number": "571-231-6661"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5801 DEFENSE PENTAGON",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "203105650",
"telephone_number": "703-692-8810"
}
],
"practiceLocations": [
{
"address_1": "Building 300 Hospital Road",
"address_2": "Eisenhower Army Medical Center",
"address_purpose": "LOCATION",
"city": "Fort Gordon",
"state": "GA",
"postal_code": "309055650",
"country_code": "US",
"telephone_number": "706-787-2720",
"fax_number": "706-787-8176",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHHOEU",
"first_name": "AUSTIN",
"middle_name": "H.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-11-28",
"last_updated": "2026-03-11",
"certification_date": "2026-03-11",
"status": "A"
},
"taxonomies": [
{
"code": "2083A0100X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Aerospace Medicine",
"state": "CA",
"license": "20A7222",
"primary": true
},
{
"code": "2083P0011X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Undersea and Hyperbaric Medicine",
"state": "CA",
"license": "20A7222",
"primary": false
},
{
"code": "2083P0500X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Preventive Medicine/Occupational Environmental Medicine",
"state": "CA",
"license": "20A7222",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Washington, DC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.