Active NPI
Jon Giolitti, MD
- Emergency Medicine Physician
- Washington, DC
National Provider Identifier
1013763259
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- MTL500002835
- Practice address
- 110 Irving St. NW
Dept. of Emergency Medicine
Washington, DC 20010 - Phone
- (202) 877-2424
- NPI assigned
- Apr 29, 2024
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Emergency Medicine Physician | 207P00000X | MTL500002835 | DC | Primary |
Addresses
Primary practice location
110 Irving St. NW
Dept. of Emergency Medicine
Washington, DC 20010
Mailing address
110 Irving St. NW
Dept. of Emergency Medicine
Washington, DC 20010
Phone (202) 877-2424
Other practice location 1
15 Michigan St NE
Grand Rapids, MI 49503-2508
Phone (248) 762-6244
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 |
|---|---|---|---|
| MTL500002835 | DC | MD | Emergency Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1714348800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750204800000",
"number": "1013763259",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "110 IRVING ST. NW",
"address_2": "DEPT. OF EMERGENCY MEDICINE",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "20010",
"telephone_number": "202-877-2424"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "110 IRVING ST. NW",
"address_2": "DEPT. OF EMERGENCY MEDICINE",
"city": "WASHINGTON",
"state": "DC",
"postal_code": "20010",
"telephone_number": "202-877-2424"
}
],
"practiceLocations": [
{
"address_1": "15 Michigan St NE",
"address_purpose": "LOCATION",
"city": "Grand Rapids",
"state": "MI",
"postal_code": "495032508",
"country_code": "US",
"telephone_number": "248-762-6244",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GIOLITTI",
"first_name": "JON",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2024-04-29",
"last_updated": "2025-06-18",
"certification_date": "2025-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Emergency Medicine",
"state": "DC",
"license": "MTL500002835",
"primary": true
}
],
"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 Jun 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.