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Dr. Ramesh Nathan, MD

Dr. Ramesh Nathan, MD

Thousand Oaks, CA

19 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Nathan, Infectious Disease Specialist in Thousand Oaks, CA?

    Dr. Ramesh Nathan, MD is an Infectious Disease Specialist, who primarily practices in Thousand Oaks, CA with 2 additional practice locations. He has been practicing for over 19 years and is board certified by the American Board of Internal Medicine. Dr. Nathan graduated from Mechanical Engineering and completed his residency at Cedar Sinai Medical Center, Los Angeles, CA. Dr. Nathan is fluent in English, and is currently seeing new patients. Dr. Nathan’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nathan’s office at (805) 495-1073.

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

    • Fellowship: Cedar Sinai Medical Center, Los Angeles, CA

    • Residency: Cedar Sinai Medical Center, Los Angeles, CA | Cedars-Sinai Medical Center

    • Medical School: Mechanical Engineering

    Is Dr. Nathan board certified in Infectious Disease Specialist?

    Yes, Dr. Ramesh Nathan, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Nathan speak?

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

    • English

    What conditions does Dr. Nathan treat?

    As a Infectious Disease Specialist, Dr. Nathan 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. Nathan. 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.

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Blood Infection
    • Sepsis
    • Bacteremia
    • Bacteria in blood
    • Bloodstream infection

    ICD-10 Codes:

    • R7881: Bacteremia

    Also known as:

    • High White Blood Cell Count
    • Blood Disorder
    • Leukocytosis
    • Elevated leukocyte count
    • High WBC count

    ICD-10 Codes:

    • D72829: Elevated white blood cell count, unspecified

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    Also known as:

    • Fever
    • High temperature
    • Pyrexia
    • Elevated body temperature

    ICD-10 Codes:

    • R509: Fever, unspecified

    Also known as:

    • Aspiration Pneumonia
    • Pneumonia
    • Inhalation Pneumonia
    • Chemical Pneumonitis
    • Aspiration Lung Infection
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J690: Pneumonitis due to inhalation of food and vomit
    • J189: Pneumonia, unspecified organism

    Also known as:

    • Cellulitis
    • Cellulitis of Left Lower Limb
    • Bacterial Skin Infection
    • Leg Skin Infection
    • Spreading Skin Infection
    • Left Leg Skin Infection
    • Bacterial Left Leg Infection
    • Spreading Left Leg Infection

    ICD-10 Codes:

    • L03115: Cellulitis of right lower limb
    • L03116: Cellulitis of left lower limb

    Also known as:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • C. diff Infection
    • Gastroenteritis
    • Clostridioides difficile infection
    • Clostridium difficile colitis
    • C. difficile-associated diarrhea

    ICD-10 Codes:

    • A0472: Enterocolitis due to Clostridium difficile, not specified as recurrent

    Also known as:

    • Peritoneal Abscess
    • Abscess
    • Peritoneal Disorder
    • Abdominal abscess
    • Intra-abdominal abscess
    • Pus pocket in abdomen

    ICD-10 Codes:

    • K651: Peritoneal abscess

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    Also known as:

    • Age-Related Osteoporosis
    • Fractures
    • Osteoporosis
    • Senile Osteoporosis
    • Primary Osteoporosis
    • Bone Thinning from Aging

    ICD-10 Codes:

    • M810: Age-related osteoporosis without current pathological fracture

    Also known as:

    • Lung Valley Fever
    • Valley Fever
    • Pulmonary Coccidioidomycosis
    • Valley Fever in Lungs
    • Coccidioides Lung Infection

    ICD-10 Codes:

    • B382: Pulmonary coccidioidomycosis, unspecified

    Also known as:

    • Bone Infection
    • Osteomyelitis
    • Infected Bone
    • Bone Inflammation
    • Bone Infection Disease

    ICD-10 Codes:

    • M869: Osteomyelitis, unspecified

    Also known as:

    • Post-procedure infection
    • After Surgery
    • Wounds and Injuries
    • Post-operative infection
    • Surgical site infection
    • Procedure-related infection

    ICD-10 Codes:

    • T8140XA: Infection following a procedure, unspecified, initial encounter

    Which procedures does Dr. Nathan perform as a Infectious Disease Specialist?

    Does Dr. Nathan accept my insurance?

    Dr. Nathan accepts most major insurance plans. Important: Please call our office at (805) 495-1073 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nathan accept in Thousand Oaks, CA?

    Dr. Nathan in Thousand Oaks, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Shield of California

    • City of Los Angeles

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Gold Coast Health Plan

    • Humana

    • Medicare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Nathan's office located?

    Dr. Ramesh Nathan's Primary Practice

    2220 Lynn Rd Ste 301

    Thousand Oaks, CA 91360

    (805) 495-1073

    Get Directions

    Dr. Ramesh Nathan's Practice 2

    3400 Douglas Blvd

    Roseville, CA 95661

    Get Directions

    Dr. Ramesh Nathan's Practice 3

    375 Rolling Oaks Dr Ste 210

    Thousand Oaks, CA 91361

    Get Directions

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

    Dr. Nathan's National Provider Identifier (NPI) number is 1215025291.

    What common questions do patients ask about Dr. Nathan?

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

    What is Dr. Ramesh Nathan's specialty?

    Dr. Nathan is a Infectious Disease Specialist near Thousand Oaks, CA.

    An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

    Contact Dr. Nathan to book an appointment today.

    Is this Dr. Ramesh Nathan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Nathan is affiliated with Los Robles Regional Medical Center, Dignity Health - Northridge Hospital Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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

    Where can I learn more about Infectious Disease Specialist?

    Explore Infectious Disease Specialist with 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 Ramesh Nathan accepting new patients in Thousand Oaks, CA?

    Yes, Dr. Ramesh Nathan is accepting new patients at this time.

    Does Dr. Ramesh Nathan offer online booking?

    Please contact Dr. Nathan's office at (805) 495-1073 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ramesh Nathan?

    Please contact Dr. Nathan's office at (805) 495-1073 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Ramesh Nathan have?

    Dr. Ramesh Nathan is certified by the American Board of Internal Medicine.

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