Active NPI
Nathan L Lewis, MD
- Internal Medicine Physician
- Pasadena, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- G40994
- Practice address
- 675 S Arroyo Pkwy Ste 310
Pasadena, CA 91105 - Phone
- (626) 796-8181
- Fax
- (626) 796-1874
- NPI assigned
- Jul 14, 2006
- Sex
- Male
- 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 | G40994 | CA | Primary |
Addresses
Primary practice location
675 S Arroyo Pkwy Ste 310
Pasadena, CA 91105
Mailing address
675 S Arroyo Pkwy Ste 310
Pasadena, CA 91105-3264
Phone (626) 796-8181
Other practice location 1
48 N El Molino Ave
Suite 201
Pasadena, CA 91101-1861
Phone (626) 796-8181
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Loma Linda University School of Medicine, 1978
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
675 S Arroyo Pkwy
Suite 310
Pasadena, CA 91105-3264
Phone (626) 796-8181
Hospital & facility affiliations
- True Care Home Health Agency, Inc
- Generation Care, Inc
- Generous Hospice and Palliative Care
- Huntington Hospital
- Golden Rose Care Center
- Cedar Pine Post Acute
- Villa Gardens Health Care Unit
- The Californian Pasadena Healthcare
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G40994 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pacific Medical Group | Internal Medicine | Current | Accepting new patients |
Locations
48 N El Molino Ave Ste201
Pasadena, CA 91101
Phone (626) 796-8181
48 N El Molino Ave
Ste 201
Pasadena, CA 91101
48 N El Molino Ave
Ste 201
Pasadena, CA 91101
Phone (626) 796-8181
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Interoperability endpoints
- nathan.lewis.p11@direct.healthcarepartners.nextgenshare.com
Ownership & related parties
All facility ownership & control disclosures 2
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Generation Care Inc. | Hospice | Contracted Managing Employee | Sep 1, 2025 |
| Generous Hospice and Palliative Care Inc | Hospice | Contracted Managing Employee | Oct 8, 2024 |
Owned or controlled facilities with NPI records 2
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- Community Based Hospice Care Agency
- Thousand Oaks, CA
- NPI 1316335896
Contracted Managing Employee
-
- Community Based Hospice Care Agency
- Northridge, CA
- NPI 1033736038
Contracted Managing Employee
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Pasadena, CA
- NPI 1790087096
-
- Internal Medicine Physician
- Pasadena, CA
- NPI 1841465150
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Skilled Nursing Facility
- Pasadena, CA
- NPI 1104902725
Nursing home
-
- Community Based Hospice Care Agency
- Thousand Oaks, CA
- NPI 1316335896
-
- Community Based Hospice Care Agency
- Northridge, CA
- NPI 1033736038
-
- General Acute Care Hospital
- Pasadena, CA
- NPI 1407828429
-
- Home Health Agency
- Duarte, CA
- NPI 1750456786
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152835200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1540252800000",
"number": "1912923004",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "675 S ARROYO PKWY STE 310",
"city": "PASADENA",
"state": "CA",
"postal_code": "911053264",
"telephone_number": "626-796-8181",
"fax_number": "626-796-1874"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "675 S ARROYO PKWY STE 310",
"city": "PASADENA",
"state": "CA",
"postal_code": "91105",
"telephone_number": "626-796-8181",
"fax_number": "626-796-1874"
}
],
"practiceLocations": [
{
"address_1": "48 N El Molino Ave",
"address_2": "Suite 201",
"address_purpose": "LOCATION",
"city": "Pasadena",
"state": "CA",
"postal_code": "911011861",
"country_code": "US",
"telephone_number": "626-796-8181",
"fax_number": "626-796-1874",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LEWIS",
"first_name": "NATHAN",
"middle_name": "L",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-07-14",
"last_updated": "2018-10-23",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "G40994",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Pasadena, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 2018; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.