Isaias Paja Jr., M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A65363 Issued in CA

Practice address

1800 Wilshire Blvd
Los Angeles, CA 90057-3602

Phone

(213) 484-9934

Fax

(213) 484-9939

NPI assigned

Jul 3, 2006

Last updated

Aug 19, 2026By the provider in NPPES

Sex

Male

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

Specialty

Family Practice

Education

University of California, Irvine, California College of Medicine, 1996

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Isaias de Guzman Paja Jr. MD Inc

  dba Paja Medical Group

  • Clinic/Center
  • Los Angeles, CA
  • NPI 1053367896
  Medicare reassignment Authorized official
• Camino Nuevo Family Health Clinic

  • Community Health Clinic/Center
  • Los Angeles, CA
  • NPI 1881973444
  Medicare reassignment NPD
• Isaias de Guzman Paja Jr. MD Inc

  dba Olypic Familia Clinica Inc

  • Clinic/Center
  • Los Angeles, CA
  • NPI 1184061533
  NPD (past) Authorized official
• Bear Valley Community Health Care District

  dba Bear Valley Community Hospital

  • Long Term Care Pharmacy
  • Big Bear Lake, CA
  • NPI 1073553756
  NPD (past)
• Dignity Community Care

  dba California Hospital Medical Center - Los Angeles

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1114081056
  NPD (past)
• Isaias de Guzman Paja Jr. MD Inc

  dba Olympic Familia Clinica Inc

  • Primary Care Clinic/Center
  • Long Beach, CA
  • NPI 1255671566
  NPD (past)
• Prime Healthcare Centinela, LLC

  dba Centinela Hospital Medical Center

  • General Acute Care Hospital
  • Inglewood, CA
  • NPI 1336328244
  NPD (past)
• The Vidal Womans Medical Clinic Inc.

  • Family Medicine Physician
  • Anaheim, CA
  • NPI 1821907668
  NPD (past)
• Usc University Hospital, Inc.

  dba USC Hospital

  • Psychiatric Hospital Unit
  • Los Angeles, CA
  • NPI 1790718500
  NPD (past)

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

{
    "created_epoch": "1151884800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1518997709",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 WILSHIRE BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900573602",
            "telephone_number": "213-484-9934",
            "fax_number": "213-484-9939"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 WILSHIRE BLVD",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900573602",
            "telephone_number": "213-484-9934",
            "fax_number": "213-484-9939"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PAJA",
        "first_name": "ISAIAS",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-03",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A65363",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michael L Paine, DDS
• Painted Brain
• Catherine Catura Paiste, DOCTOR OF PHARMACY
• Aela Paiz, DO
• Luz Maria Paiz, RN
• Gelito Pacuribot Pajarillaga Jr., NP
• Sarah Pajek
• Jennifer Pajounia, PA
• Pak Podiatry Corp.
• Allex Pak

• Family Medicine Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.