Mahesh Lellella, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

188418 Issued in CA

Practice address

2500 Merced St
San Leandro, CA 94577-4201

Phone

(510) 454-3000

NPI assigned

Apr 1, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, NC2 enrollments

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 2

Specialty

Internal Medicine

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaiser Foundation Hospital - San Leandro Hospital, San Leandro, CA, CCN 050777
• Kaiser Foundation Hospital - Fremont Hospital, Fremont, CA, CCN 050512

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 29)

Interoperability endpoints

• Direct secure messaging: mlellella152618@direct.whhs.com
• Direct secure messaging: mlellella2943629@carolinashealthcaresystem.direct-ci.com

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.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment Care Compare group NPD
• Healthcare Partners Affiliates Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment NPD
• Hospitalist Medicine Physicians of California, Inc

  • Internal Medicine Physician
  • Apple Valley, CA
  • NPI 1184663965
  Medicare reassignment NPD
• Inpatient Specialists of California, PC

  • Internal Medicine Physician
  • San Bernardino, CA
  • NPI 1952792475
  Medicare reassignment NPD
• Carolinas Physicians Network Inc

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Charlotte, NC
  • NPI 1477878890
  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Carolinas Physicians Network Inc

  • Hospitalist Physician
  • Charlotte, NC
  • NPI 1306855846

  Internal Medicine

  NPD
• Carolinas Physicians Network Inc

  • Endocrinology, Diabetes & Metabolism Physician
  • Charlotte, NC
  • NPI 1437038544
  NPD
• Memorial Medical Group Inc

  • Durable Medical Equipment & Medical Supplies
  • Phoenix, AZ
  • NPI 1255523643
  NPD (past)

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

• Kaiser Foundation Hospitals

  • General Acute Care Hospital
  • San Leandro, CA
  • NPI 1649605403
  Care Compare affiliation
• Kaiser Foundation Hospitals

  • General Acute Care Hospital
  • Fremont, CA
  • NPI 1801960513
  Care Compare affiliation

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

{
    "created_epoch": "1617235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744070400000",
    "number": "1669050498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5608 N DUBLIN RANCH DR",
            "city": "DUBLIN",
            "state": "CA",
            "postal_code": "945688801",
            "telephone_number": "405-638-6513"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 MERCED ST",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945774201",
            "telephone_number": "510-454-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "39400 Paseo Padre Pkwy",
            "address_purpose": "LOCATION",
            "city": "Fremont",
            "state": "CA",
            "postal_code": "945382310",
            "country_code": "US",
            "telephone_number": "510-454-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LELLELLA",
        "first_name": "MAHESH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-01",
        "last_updated": "2025-04-08",
        "certification_date": "2025-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "188418",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "2500 Merced St",
            "city": "San Leandro",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945774201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Ying Lei
• Jessica Leimone
• Karen Elizabeth Leipzig
• Elendu Eme Lekwauwa
• Carmen Leles, RCP RRT
• Heather Christine Lemaster
• Maurice Lemon Sr., M-RAS, CSC, NCAC I
• Yesenia Lemus-Leon
• Jennifer Lenches
• Tomie Lenear II

• Internal Medicine Physician in San Leandro, CA
• Providers in San Leandro, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 8, 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.
• 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.

Verify at the official NPI Registry.