Active NPI
Cora M Ludwig, MD
- Internal Medicine Physician
- Clackamas, OR
National Provider Identifier
1881856052
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- MD154759
- Practice address
- 8800 SE Sunnyside Rd Ste 137S
Clackamas, OR 97015-5770 - Phone
- (503) 451-1476
- Fax
- (360) 282-0701
- NPI assigned
- Jun 30, 2008
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | MD154759 | OR | Primary |
Addresses
Primary practice location
8800 SE Sunnyside Rd Ste 137S
Clackamas, OR 97015-5770
Mailing address
8800 SE Sunnyside Rd Ste 137S
Clackamas, OR 97015-5770
Phone (503) 451-1476
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Jul 3, 2025 through Jul 3, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD154759 | OR | MD | Internal Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1214784000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749081600000",
"number": "1881856052",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8800 SE SUNNYSIDE RD STE 137S",
"city": "CLACKAMAS",
"state": "OR",
"postal_code": "970155770",
"telephone_number": "503-451-1476",
"fax_number": "360-282-0701"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8800 SE SUNNYSIDE RD STE 137S",
"city": "CLACKAMAS",
"state": "OR",
"postal_code": "970155770",
"telephone_number": "503-451-1476",
"fax_number": "360-282-0701"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LUDWIG",
"first_name": "CORA",
"middle_name": "M",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2008-06-30",
"last_updated": "2025-06-05",
"certification_date": "2025-06-05",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "OR",
"license": "MD154759",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Clackamas, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.