Active NPI
Nathan Oommen
- Surgery Physician
- Philadelphia, PA
National Provider Identifier
1821880881
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- X
- Practice address
- 1015 Walnut St Ste 620
Philadelphia, PA 19107-5005 - Phone
- (215) 955-6864
- NPI assigned
- May 19, 2025
- Last updated
- May 19, 2025
- Sex
- Unspecified or another gender identity
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | X | PA | Primary |
Addresses
Primary practice location
1015 Walnut St Ste 620
Philadelphia, PA 19107-5005
Mailing address
1015 Walnut St Ste 620
Philadelphia, PA 19107-5005
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in PA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250731004237 | PA | Order and Referring Only - General Surgery | 1456869502 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| X | PA | MD | Surgery Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1747612800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1747612800000",
"number": "1821880881",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1015 WALNUT ST STE 620",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191075005"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1015 WALNUT ST STE 620",
"city": "PHILADELPHIA",
"state": "PA",
"postal_code": "191075005",
"telephone_number": "215-955-6864"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OOMMEN",
"first_name": "NATHAN",
"sole_proprietor": "YES",
"sex": "X",
"enumeration_date": "2025-05-19",
"last_updated": "2025-05-19",
"certification_date": "2025-05-18",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "PA",
"license": "X",
"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 May 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.