Active NPI
David Matthew Olson, MD
- Infectious Disease Physician
- New York, NY
National Provider Identifier
1437361243
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- 2341811
- Practice address
- 333 7TH Ave
Doctors Without Borders/MSF
New York, NY 10001-5004 - Phone
- (212) 679-6800
- NPI assigned
- May 4, 2007
- 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 |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | 2341811 | NY | Primary |
Addresses
Primary practice location
333 7TH Ave
Doctors Without Borders/MSF
New York, NY 10001-5004
Mailing address
333 7TH Ave
Doctors Without Borders/MSF
New York, NY 10001-5004
Phone (212) 679-6800
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 |
|---|---|---|---|
| 2341811 | NY | MD | Infectious Disease Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1178236800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789257600000",
"number": "1437361243",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "333 7TH AVE",
"address_2": "DOCTORS WITHOUT BORDERS/MSF",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100015004",
"telephone_number": "212-679-6800"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "333 7TH AVE",
"address_2": "DOCTORS WITHOUT BORDERS/MSF",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100015004",
"telephone_number": "212-679-6800"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OLSON",
"first_name": "DAVID",
"middle_name": "MATTHEW",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-05-04",
"last_updated": "2026-09-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "NY",
"license": "2341811",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 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.