Maria Isabel Linares Valderrama, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

A160352 Issued in CA

Practice address

675 S Arroyo Pkwy Ste 200
Pasadena, CA 91105-3215

Phone

(626) 585-4121

NPI assigned

Feb 9, 2016

Last updated

Mar 9, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Specialty

EndocrinologyAlso: Internal Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Healthcare Partners Affiliates Medical GroupGroup PAC ID 7315842002, 775 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: mal277pcs@m1606.primeclinicalsystems.direct-ci.com
• Direct secure messaging: maria.linaresvalderrama@335000925634564.direct.elationemr.com
• Direct secure messaging: mlinares@serramedical.org
• Direct secure messaging: mlinaresvalderrama211999@westdirect.optum.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593

  Endocrinology, Diabetes & Metabolism

  Medicare reassignment Care Compare group NPD
• Cardiology Internal Medical Group Inc

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1962540617
  Medicare reassignment NPD
• Serra Community Medical Clinic Inc

  • Adult Medicine Physician
  • Sun Valley, CA
  • NPI 1275545725
  Medicare reassignment NPD
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Serra Community Medical Clinic, Inc.

  dba Serra Community Medical Clinic- Pacoima

  • Internal Medicine Physician
  • Pacoima, CA
  • NPI 1477134302
  NPD
• Memorial Medical Group Inc

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

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

{
    "created_epoch": "1454976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1659739324",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 S ARROYO PKWY STE 200",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053215",
            "telephone_number": "626-585-4121"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LINARES VALDERRAMA",
        "first_name": "MARIA",
        "middle_name": "ISABEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-02-09",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "CA",
            "license": "A160352",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Mlinares@serramedical.org",
            "affiliation": "N",
            "address_1": "9375 San Fernando Rd",
            "city": "Sun Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "913521428",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Tabitha Lin, OTD, OTR/L
• Weili Chiao Lin, LMFT
• Yuanguang Gloria Lin, LAC.
• Linan Wang MD a Professional Corporation
• Avriel Sara Linane, DO
• Alyssa Sarena Linares
• Deborah L Linares
• Dianna Marleny Linares, LCSW
• Karen Dolly Linares
• Linda M Ross LCSW, PHD. (Dr. Linda M Ross PhD)

• Endocrinology, Diabetes & Metabolism Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Endocrinology, Diabetes & Metabolism Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 2026; 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.