Individual provider Active NPI

Michael Lewis, MD

  • Family Medicine Physician
  • Concord, CA
National Provider Identifier
1700826740
Registry record updated Mar 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
G64666 Issued in CA
Practice address
2001 Diamond Blvd Ste C-100
Concord, CA 94520-5737
Phone
(888) 663-6331
Fax
(415) 252-7176
NPI assigned
Jun 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G64666 CA
Family Medicine Physician 207Q00000X G64666 CA Primary

Addresses

Primary practice location

2001 Diamond Blvd Ste C-100
Concord, CA 94520-5737

Mailing address

130 Sutter St FL 2
San Francisco, CA 94104-4009
Phone (415) 658-6791

Other practice location 1

1333 Powell St
Suite 103
Emeryville, CA 94608-2598
Phone (510) 225-1000

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
I20070822000983 CA Practitioner - Family Practice 1456443456 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Northeastern Ohio University College of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
One Medical Group IncGroup PAC ID 2567623739, 330 clinicians

Practice addresses (Care Compare)

1333 Powell St
Suite A103
Emeryville, CA 94608-2598
Phone (510) 225-1000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G64666CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
One Medical Group, Inc Family Medicine CurrentSince Mar 4, 2017 Accepting new patients
One Medical Group, Inc. Family Medicine CurrentSince Mar 4, 2017 Accepting new patients

Locations

2001 Diamond Blvd
Ste C100
Concord, CA 94520

1333 Powell St
Ste A103
Emeryville, CA 94608
Phone (510) 225-1000

1955 Broadway
Ste A
Oakland, CA 94612

559 Clay St
#200
San Francisco, CA 94111
Phone (415) 830-4744

130 Sutter St
Fl 2
San Francisco, CA 94104
Phone (415) 529-4522

110 Sutter St
Fl 6
San Francisco, CA 94104
Phone (415) 392-8200

1 Embarcadero Ctr
Ste 1900
San Francisco, CA 94111

2950 S Delaware St
Ste 150
San Mateo, CA 94403

1004 Northgate Dr
San Rafael, CA 94903
Phone (415) 590-6150

1299 Oakmead Pkwy
Sunnyvale, CA 94085
Phone (408) 266-3100

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: michael.lewis.1@5074.direct.athenahealth.com

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.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742169600000",
    "number": "1700826740",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "130 SUTTER ST FL 2",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941044009",
            "telephone_number": "415-658-6791",
            "fax_number": "415-520-0904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2001 DIAMOND BLVD STE C-100",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945205737",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1333 Powell St",
            "address_2": "Suite 103",
            "address_purpose": "LOCATION",
            "city": "Emeryville",
            "state": "CA",
            "postal_code": "946082598",
            "country_code": "US",
            "telephone_number": "510-225-1000",
            "fax_number": "510-225-1019",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEWIS",
        "first_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-07",
        "last_updated": "2025-03-17",
        "certification_date": "2025-03-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G64666",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "G64666",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Concord, CA

Sources for this page

Verify at the official NPI Registry.