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    Who is Dr. Castellano, Primary Care Specialist (General Practitioner) in Loveland, CO?

    Dr. Thomas Castellano, MD is a Primary Care Specialist (General Practitioner), who primarily practices in Loveland, CO with 2 additional practice locations. He is board certified. Dr. Castellano completed his residency at Med Coll Wi Affil Hosps, Emergency Medicine; St Joseph'S Hosp, Flexible Or Transitional Year. Dr. Castellano is fluent in English, and is currently seeing new patients. Dr. Castellano’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Castellano’s office at (303) 225-4246.

    Where did Dr. Castellano go to medical school and complete their residency?

    • Residency: Med Coll Wi Affil Hosps, Emergency Medicine; St Joseph'S Hosp, Flexible Or Transitional Year

    • Medical School: Med Coll of Wi, Milwaukee Wi

    Is Dr. Castellano board certified as a Primary Care Specialist (General Practitioner)?

    Yes, Dr. Thomas Castellano, MD is board certified by the American Board of Emergency Medicine

    What languages does Dr. Castellano speak?

    Dr. Castellano and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Primary Care Specialist (General Practitioner) like Dr. Castellano typically treat?

    As a Primary Care Specialist (General Practitioner), Dr. Castellano diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Castellano. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.

    Also known as:

    • Chronic Kidney Disease from High Blood Pressure
    • Chronic Kidney Disease
    • High Blood Pressure
    • Hypertensive Chronic Kidney Disease
    • High Blood Pressure Kidney Disease
    • Hypertension-Related Kidney Disease

    ICD-10 Codes:

    • I129: Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

    Also known as:

    • Insomnia
    • Sleeplessness
    • Trouble sleeping
    • Chronic insomnia

    ICD-10 Codes:

    • G4700: Insomnia, unspecified

    Also known as:

    • Dementia
    • Cognitive decline
    • Memory loss
    • Brain disorder

    ICD-10 Codes:

    • F0390: Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety

    Also known as:

    • Fatigue
    • Tiredness
    • Lack of energy
    • Exhaustion

    ICD-10 Codes:

    • R5383: Other fatigue

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Alzheimer's Disease
    • Alzheimer's Disease Fact Sheet
    • AD
    • Alzheimer's Dementia
    • Memory Loss Disease

    ICD-10 Codes:

    • G309: Alzheimer's disease, unspecified

    Also known as:

    • Volume Depletion
    • Fluid and Electrolyte Balance
    • Fluid Loss
    • Low Body Fluid
    • Hypovolemia

    ICD-10 Codes:

    • E869: Volume depletion, unspecified

    Also known as:

    • Anxiety from Medical Condition
    • Anxiety
    • Secondary anxiety disorder
    • Organic anxiety
    • Physical illness causing anxiety

    ICD-10 Codes:

    • F064: Anxiety disorder due to known physiological condition

    What procedures does a Primary Care Specialist (General Practitioner) like Dr. Castellano typically perform?

    As a Primary Care Specialist (General Practitioner), procedures performed by Dr. Thomas Castellano may include:

    Please contact Dr. Castellano's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Castellano accept my insurance?

    Dr. Castellano accepts most major insurance plans. Important: Please call our office at (303) 225-4246 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Castellano accept in Loveland, CO?

    Dr. Castellano in Loveland, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Kaiser Permanente

    • Medicare

    • Mutual of Omaha

    • State of Colorado

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Castellano's office located?

    Dr. Thomas Castellano's Primary Practice

    762 W Eisenhower Blvd

    Loveland, CO 80537

    (303) 225-4246

    Get Directions

    Dr. Thomas Castellano's Practice 2

    10900 W 44th Ave Unit 200

    Wheat Ridge, CO 80033

    Get Directions

    Dr. Thomas Castellano's Practice 3

    26000 W Colfax Ave B200

    Lakewood, CO 80215

    Get Directions

    What is Dr. Castellano's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Castellano's National Provider Identifier (NPI) number is 1912980293.

    What common questions do patients ask about Dr. Castellano?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Castellano

    What is Dr. Thomas Castellano's specialty?

    Dr. Castellano is a Primary Care Specialist (General Practitioner) near Loveland, CO.

    What does a Primary Care Specialist (General Practitioner) do?

    A physician specializing in general practice is focused on diagnosing, treating, and managing patients with a wide range of illnesses and conditions.

    Is this Dr. Thomas Castellano affiliated with a ranked Castle Connolly Top Hospital?

    No, Castellano is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Banner North Colorado Medical Center, Uchealth Longs Peak Hospital, Banner Mckee Medical Center, Uchealth Medical Center Of The Rockies. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Primary Care Specialist (General Practitioner)?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Primary Care Specialist (General Practitioner). Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Thomas Castellano accepting new patients in Loveland, CO?

    Yes, Dr. Thomas Castellano is accepting new patients at this time.

    Does Dr. Thomas Castellano offer online booking?

    Please contact Dr. Castellano's office at (303) 225-4246 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas Castellano?

    Please contact Dr. Castellano's office at (303) 225-4246 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Thomas Castellano have?

    Dr. Thomas Castellano is certified by the American Board of Emergency Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>