Active NPI
Timothy M. Mallon, MD, MPH, FACOEM
- Occupational Medicine Physician
- Bethesda, MD
National Provider Identifier
1629041447
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Occupational Medicine Physician
- License
- MA25058555
- Practice address
- Uniformed Services University, Dept of PMB
4301 Jones Bridge Rd
Bethesda, MD 20814-4712 - Phone
- (301) 295-3718
- Fax
- (301) 295-0335
- NPI assigned
- Feb 10, 2006
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Medicine Physician | 2083X0100X | MA25058555 | NJ | Primary |
Addresses
Primary practice location
Uniformed Services University, Dept of PMB
4301 Jones Bridge Rd
Bethesda, MD 20814-4712
Mailing address
6508 Folded Leaf SQ
Columbia, MD 21044-6061
Phone (410) 531-7914
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MA25058555 | NJ | MD | Occupational Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139529600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1629041447",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6508 FOLDED LEAF SQ",
"city": "COLUMBIA",
"state": "MD",
"postal_code": "210446061",
"telephone_number": "410-531-7914"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "UNIFORMED SERVICES UNIVERSITY, DEPT OF PMB",
"address_2": "4301 JONES BRIDGE RD",
"city": "BETHESDA",
"state": "MD",
"postal_code": "208144712",
"telephone_number": "301-295-3718",
"fax_number": "301-295-0335"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MALLON",
"first_name": "TIMOTHY",
"middle_name": "M.",
"name_prefix": "Dr.",
"credential": "MD, MPH, FACOEM",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-10",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2083X0100X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Occupational Medicine",
"state": "NJ",
"license": "MA25058555",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Bethesda, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.