Individual provider Active NPI

Nathan L Lewis, MD

  • Internal Medicine Physician
  • Pasadena, CA
National Provider Identifier
1912923004
Registry record updated Oct 23, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
G40994 Issued in CA
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

Updated by the provider on Oct 23, 2018

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20101203000350 CA Practitioner - Internal Medicine 3173692498 Reassigns benefits to 1 organization

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 Home health agency, Duarte, CA, CCN 058298
  • Generation Care, Inc Hospice, Thousand Oaks, CA, CCN 921622
  • Generous Hospice and Palliative Care Hospice, Northridge, CA, CCN B31752
  • Huntington Hospital Hospital, Pasadena, CA, CCN 050438
  • Golden Rose Care Center Nursing home, Pasadena, CA, CCN 055862
  • Cedar Pine Post Acute Nursing home, Pasadena, CA, CCN 555213
  • Villa Gardens Health Care Unit Nursing home, Pasadena, CA, CCN 555429
  • The Californian Pasadena Healthcare Nursing home, Pasadena, CA, CCN 055480

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G40994CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew 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

  • Direct secure messaging: 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.

FacilityTypeRoleSince
Generation Care Inc.Thousand Oaks, CA, CCN 921622 Hospice Contracted Managing Employee Sep 1, 2025
Generous Hospice and Palliative Care IncNorthridge, CA, CCN B31752 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.

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.

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.