Active NPI
Ian Harrison Shields
- Anesthesiology Physician
- Philadelphia, PA
National Provider Identifier
1326798448
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- A209365
- Practice address
- 3400 Spruce St
Philadelphia, PA 19104-4238 - Phone
- (251) 599-0406
- NPI assigned
- Mar 24, 2022
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Anesthesiology Physician | 207L00000X | A209365 | CA | Primary |
Addresses
Primary practice location
3400 Spruce St
Philadelphia, PA 19104-4238
Mailing address
1450 San Pablo St
HC4 3600
Los Angeles, CA 90033-5331
Other practice location 1
1200 N State St
Department Of Anesthesiology
Los Angeles, CA 90089-1001
Phone (323) 409-6225
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1648080000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781827200000",
"number": "1326798448",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1450 SAN PABLO ST",
"address_2": "HC4 3600",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900335331"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3400 SPRUCE ST",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191044238",
"telephone_number": "251-599-0406"
}
],
"practiceLocations": [
{
"address_1": "1200 N State St",
"address_2": "Department Of Anesthesiology",
"address_purpose": "LOCATION",
"city": "Los Angeles",
"state": "CA",
"postal_code": "900891001",
"country_code": "US",
"telephone_number": "323-409-6225",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SHIELDS",
"first_name": "IAN",
"middle_name": "HARRISON",
"name_prefix": "Dr.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-03-24",
"last_updated": "2026-06-19",
"certification_date": "2026-06-19",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "CA",
"license": "A209365",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Philadelphia, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 19, 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.