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NAICS 621111 · Offices of Physicians (except Mental Health Specialists)

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Doctors in Rancho Cucamonga, CA

241 doctors in Rancho Cucamonga, CA. Every listing checked against the issuer's record, in the published order.

Health practices are listed so you can find them. Contact them directly; DouxProcess does not pass health requests.

  1. Abraham Chen, D.O., Inc

    ActiveFamily Medicine

    Rancho Cucamonga, CA

    Proof for Abraham Chen, D.O., Inc
    NPI registration
    NPPES 1184621666
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Family Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 466-6310
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  2. Algos Inc., a Medical Corporation

    ActivePain Medicine, Pain Medicine

    Rancho Cucamonga, CA

    Proof for Algos Inc., a Medical Corporation
    NPI registration
    NPPES 1447597471
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Pain Medicine, Pain Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 985-2211
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  3. Allergy and Asthma Specialty Center Inc

    ActiveAllergy & Immunology

    Rancho Cucamonga, CA

    Proof for Allergy and Asthma Specialty Center Inc
    NPI registration
    NPPES 1669845442
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Allergy & Immunology
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 944-9058
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  4. Andrea Tieng, MD Inc

    ActiveInternal Medicine, Gastroenterology

    Rancho Cucamonga, CA

    Proof for Andrea Tieng, MD Inc
    NPI registration
    NPPES 1013276575
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Internal Medicine, Gastroenterology
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 255-7200
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  5. Armin Vishteh, M.D., P.C.

    ActiveOphthalmology

    Rancho Cucamonga, CA

    Proof for Armin Vishteh, M.D., P.C.
    NPI registration
    NPPES 1053539908
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Ophthalmology
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 980-8010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  6. Aureus Medical Group, Inc.

    ActiveFamily Medicine

    Rancho Cucamonga, CA

    Proof for Aureus Medical Group, Inc.
    NPI registration
    NPPES 1851563506
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Family Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 941-0855
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  7. California Foothills Medical Associates Inc

    ActiveInternal Medicine

    Rancho Cucamonga, CA

    Proof for California Foothills Medical Associates Inc
    NPI registration
    NPPES 1003845876
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Internal Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 945-2425
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  8. California Institute of Cardiovascular Health, Inc

    ActiveInternal Medicine, Interventional Cardiology

    Rancho Cucamonga, CA

    Proof for California Institute of Cardiovascular Health, Inc
    NPI registration
    NPPES 1053752915
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Internal Medicine, Interventional Cardiology
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 466-8810
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  9. Care for Women's Medical Group Inc.

    ActiveObstetrics & Gynecology, Obstetrics

    Rancho Cucamonga, CA

    Proof for Care for Women's Medical Group Inc.
    NPI registration
    NPPES 1952023723
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Obstetrics & Gynecology, Obstetrics
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (929) 386-5021
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  10. Caring Family Medicine Inc

    ActiveFamily Medicine

    Rancho Cucamonga, CA

    Proof for Caring Family Medicine Inc
    NPI registration
    NPPES 1821389990
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Family Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 989-2773
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  11. Carlos T J Martinez, DO Inc

    ActivePhysical Medicine & Rehabilitation, Pain Medicine

    Rancho Cucamonga, CA

    Proof for Carlos T J Martinez, DO Inc
    NPI registration
    NPPES 1346412491
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Physical Medicine & Rehabilitation, Pain Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 944-3797
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  12. Chandrahas Agarwal M.D. Inc.

    ActiveInternal Medicine, Cardiovascular Disease

    Rancho Cucamonga, CA

    Proof for Chandrahas Agarwal M.D. Inc.
    NPI registration
    NPPES 1619900750
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Internal Medicine, Cardiovascular Disease
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 476-0808
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  13. Channell Family Medical Group, Inc

    ActiveFamily Medicine

    Rancho Cucamonga, CA

    Proof for Channell Family Medical Group, Inc
    NPI registration
    NPPES 1699722744
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Family Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 483-1236
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  14. Chaparral Medical Group, Inc.

    ActiveDermatology

    Rancho Cucamonga, CA

    Proof for Chaparral Medical Group, Inc.
    NPI registration
    NPPES 1093777666
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Dermatology
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 581-6732
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  15. Christopher E Henderson, DDS, a Professional Corporation

    ActiveOral & Maxillofacial Surgery

    Rancho Cucamonga, CA

    Proof for Christopher E Henderson, DDS, a Professional Corporation
    NPI registration
    NPPES 1326697327
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Oral & Maxillofacial Surgery
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 481-6867
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  16. Endocrine Advantage, a Medical Corporation

    ActiveInternal Medicine, Endocrinology, Diabetes & Metabolism

    Rancho Cucamonga, CA

    Proof for Endocrine Advantage, a Medical Corporation
    NPI registration
    NPPES 1427856608
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Internal Medicine, Endocrinology, Diabetes & Metabolism
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 757-8078
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  17. Faculty Physicians and Surgeons of Llusm

    ActiveDermatology

    Rancho Cucamonga, CA

    Proof for Faculty Physicians and Surgeons of Llusm
    NPI registration
    NPPES 1831148790
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Dermatology
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 558-2890
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  18. Grove Internal Medicine Inc.

    ActiveInternal Medicine

    Rancho Cucamonga, CA

    Proof for Grove Internal Medicine Inc.
    NPI registration
    NPPES 1811224298
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Internal Medicine
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 981-6644
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  19. Healthy and Happy America Haha Corporation

    ActivePsychiatry & Neurology, Psychiatry

    Rancho Cucamonga, CA

    Proof for Healthy and Happy America Haha Corporation
    NPI registration
    NPPES 1154643542
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Psychiatry & Neurology, Psychiatry
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 329-5010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record
  20. Henry Lin Inc

    ActiveAllergy & Immunology, Allergy

    Rancho Cucamonga, CA

    Proof for Henry Lin Inc
    NPI registration
    NPPES 1932398054
    Issuer
    NPPES NPI Registry
    Status
    Active
    Class
    Allergy & Immunology, Allergy
    Checked
    Nov 3, 2026
    Where
    Rancho Cucamonga, CA · serves California
    Phone
    (909) 463-6900
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → NPPES NPI Registry record

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