Magdalena C Arenas, MD

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

A66947 Issued in CA

Practice address

800 Fairmount Ave
Pasadena, CA 91105-3152

Phone

(626) 449-1199

Fax

(626) 449-1166

NPI assigned

May 26, 2006

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

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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
  Medicare reassignment NPD
• Magdalena C Arenas MD a Medical

  • Pulmonary Disease Physician
  • Pasadena, CA
  • NPI 1174559884
  NPD Authorized official
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD
• Daniel L Rowady MD PC

  dba Rowady Primary Physician Practice

  • Internal Medicine Physician
  • Pasadena, CA
  • NPI 1205430477
  NPD (past)
• Foothill Pulmonary & Critical Care Consultants Medical Group Inc.

  • Critical Care Medicine (Internal Medicine) Physician
  • Pasadena, CA
  • NPI 1205862489

  Pulmonary Disease

  NPD (past)
• Pasadena Hospital Association, LTD.

  dba Huntington Hospital

  • Psychiatric Hospital Unit
  • Pasadena, CA
  • NPI 1437121142
  NPD (past)
• Southern California Hospitalist Network Medical Group Inc

  • Internal Medicine Physician
  • Orange, CA
  • NPI 1790880458
  NPD (past)
• Usc Arcadia Hospital

  • Rehabilitation Hospital Unit
  • Arcadia, CA
  • NPI 1164410593
  NPD (past)
• Usc Verdugo Hills Hospital, LLC

  dba Verdugo Hills Hospital

  • General Acute Care Hospital
  • Glendale, CA
  • NPI 1265875207
  NPD (past)
• 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": "1148601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1093761249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 FAIRMOUNT AVE",
            "address_2": "STE 205",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053150",
            "telephone_number": "626-449-1199",
            "fax_number": "626-449-1166"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 FAIRMOUNT AVE",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053152",
            "telephone_number": "626-449-1199",
            "fax_number": "626-449-1166"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARENAS",
        "first_name": "MAGDALENA",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A66947",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Adriana Ardila, PT, DPT
• Siomara Lisette Ardon
• Alberto Areliz
• Ivan Arellano
• Jose Angel Arellano, BA
• Liliane Arenzon, M.D.
• Christopher Anthony Arevalo, RADTI
• Erick Louie Arevalo, BA
• Alexander Andrew Argame
• Serena Argil, BCBA

• Pulmonary Disease Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Pulmonary Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.