Active NPI
Lily Helena Ostrer, MD
- Infectious Disease Physician
- San Diego, CA
National Provider Identifier
1821592155
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- A186619
- Practice address
- 9500 Gilman Dr
San Diego, CA 92093-5004 - Phone
- (619) 543-3995
- NPI assigned
- Mar 21, 2018
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | A186619 | CA | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Pediatrics Physician | 208000000X | ME156022 | FL | |
| Internal Medicine Physician | 207R00000X | ME156022 | FL |
Addresses
Primary practice location
9500 Gilman Dr
San Diego, CA 92093-5004
Mailing address
9500 Gilman Dr
San Diego, CA 92093-5004
Phone (619) 543-3995
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A186619 | CA | MD | Infectious Disease Physician |
| ME156022 | FL | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1521590400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779235200000",
"number": "1821592155",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9500 GILMAN DR",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "920935004",
"telephone_number": "619-543-3995"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9500 GILMAN DR",
"city": "SAN DIEGO",
"state": "CA",
"postal_code": "920935004",
"telephone_number": "619-543-3995"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OSTRER",
"first_name": "LILY",
"middle_name": "HELENA",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2018-03-21",
"last_updated": "2026-05-20",
"certification_date": "2026-05-20",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "CA",
"license": "A186619",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "FL",
"license": "ME156022",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "FL",
"license": "ME156022",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Diego, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 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.