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Dr. Catherine Gentemann, MD

Long Beach, CA

26 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gentemann, Internist in Long Beach, CA?

    Dr. Catherine Gentemann, MD is an Internist, who primarily practices in Long Beach, CA with 2 additional practice locations. She has been practicing for over 26 years and is board certified. Dr. Gentemann is fluent in English and Spanish, and is currently seeing new patients. Dr. Gentemann’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gentemann’s office at (714) 848-0080.

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

      What languages does Dr. Gentemann speak?

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

      • English

      • Spanish

      What conditions does Dr. Gentemann treat?

      As a Internist, Dr. Gentemann 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. Gentemann. 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:

      • 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:

      • Immunization Visit
      • Vaccines
      • Vaccination appointment
      • Shot visit
      • Immunization encounter

      ICD-10 Codes:

      • Z23: Encounter for immunization

      Also known as:

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

      ICD-10 Codes:

      • I10: Essential (primary) hypertension

      Also known as:

      • Type 2 Diabetes
      • Diabetes Complicationss
      • Diabetes Type 2
      • Type 2 diabetes
      • Diabetes Mellitus Complications
      • Diabetes Related Health Problems
      • Advanced Diabetes
      • Diabetes Mellitus Type 2
      • Adult-Onset Diabetes
      • Non-Insulin Dependent Diabetes

      ICD-10 Codes:

      • E1169: Type 2 diabetes mellitus with other specified complication
      • E119: Type 2 diabetes mellitus without complications

      Also known as:

      • Mammogram for Breast Cancer Screening
      • Health Screening
      • Mammography
      • Breast Cancer Screening (PDQ®)
      • Mammograms
      • Breast X-ray
      • Breast Cancer Check

      ICD-10 Codes:

      • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

      Also known as:

      • High Cholesterol
      • Cholesterol
      • Triglycerides
      • Hyperlipidemia
      • High lipids
      • Dyslipidemia
      • Hypercholesterolemia
      • High blood cholesterol
      • Elevated cholesterol

      ICD-10 Codes:

      • E785: Hyperlipidemia, unspecified
      • E7800: Pure hypercholesterolemia, unspecified

      Also known as:

      • General Counseling Services
      • Personal Counseling
      • Life Coaching
      • Support Services

      ICD-10 Codes:

      • Z7189: Other specified counseling

      Also known as:

      • Other Pre-Procedure Examination
      • Various pre-op checks
      • Miscellaneous pre-surgery exams
      • Other pre-treatment assessments

      ICD-10 Codes:

      • Z01818: Encounter for other preprocedural examination

      Also known as:

      • Hypothyroidism
      • Congenital hypothyroidism
      • Hypothyroidism (Underactive Thyroid)
      • Underactive Thyroid
      • Low Thyroid Function

      ICD-10 Codes:

      • E039: Hypothyroidism, unspecified

      Also known as:

      • Impaired Glucose Tolerance
      • Blood Glucose
      • Prediabetes (Glucose Tolerance)
      • Borderline Diabetes (Oral)
      • Glucose Intolerance

      ICD-10 Codes:

      • R7302: Impaired glucose tolerance (oral)

      Also known as:

      • Fatigue
      • Tiredness
      • Lack of energy
      • Exhaustion

      ICD-10 Codes:

      • R5383: Other fatigue

      Also known as:

      • Painful Urination
      • Urine and Urination
      • Dysuria
      • Burning when peeing
      • Stinging during urination

      ICD-10 Codes:

      • R300: Dysuria

      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:

      • Depression Screening
      • Depression
      • Health Screening
      • Depression Test
      • Mental Health Check for Depression
      • Mood Disorder Screening

      ICD-10 Codes:

      • Z1331: Encounter for screening for depression

      Also known as:

      • Anxiety Disorder
      • Anxiety
      • General Anxiety
      • Anxiety Problems
      • Nervous Disorder

      ICD-10 Codes:

      • F419: Anxiety disorder, unspecified

      Also known as:

      • Atrial Fibrillation
      • Afib
      • A-fib
      • Irregular heart rhythm

      ICD-10 Codes:

      • I480: Paroxysmal atrial fibrillation

      Also known as:

      • Common Cold
      • Upper Respiratory Infection
      • Head Cold
      • Cold Symptoms

      ICD-10 Codes:

      • J069: Acute upper respiratory infection, unspecified

      Also known as:

      • Pain in Right Knee
      • Knee Injuries and Disorder
      • Pain
      • Right Knee Ache
      • Right Knee Discomfort
      • Sore Right Knee

      ICD-10 Codes:

      • M25561: Pain in right knee

      What procedures does Dr. Gentemann perform?

      As a Internist, Dr. Gentemann performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Gentemann. 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:

      • Removal of Precancerous Skin Lesions
      • Skin Conditions
      • Actinic Keratosis Treatment
      • Premalignant Lesion Destruction
      • Skin Cancer Prevention Treatment
      • Cryosurgery for Skin Lesions

      CPT Codes:

      • 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion

      Does Dr. Gentemann accept my insurance?

      Dr. Gentemann accepts most major insurance plans. Important: Please call our office at (714) 848-0080 before your appointment to verify that your specific plan and network are accepted.

      What insurance plans does Dr. Gentemann accept in Long Beach, CA?

      Dr. Gentemann in Long Beach, 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

      • Centene

      • Crown Cork and Seal Company

      • CVS Health (formerly Aetna)

      • Humana

      • Medicare

      • Scan Health Plan

      • State of Tennessee

      • Sunrise Senior Living

      • UnitedHealthcare

      View All Insurances

      Where is Dr. Gentemann's office located?

      Dr. Catherine Gentemann's Primary Practice

      2110 N Bellflower Blvd

      Long Beach, CA 90815

      (714) 848-0080

      Get Directions

      Dr. Catherine Gentemann's Practice 2

      17762 Beach Blvd Ste 220

      Huntingtn Bch, CA 92647

      Get Directions

      Dr. Catherine Gentemann's Practice 3

      3828 Schaufele Ave

      Long Beach, CA 90808

      Get Directions

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

      Dr. Gentemann's National Provider Identifier (NPI) number is 1215043526.

      What common questions do patients ask about Dr. Gentemann?

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

      What is Dr. Catherine Gentemann's specialty?

      Dr. Gentemann is a Internist near Long Beach, CA.

      A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

      Contact Dr. Gentemann to book an appointment today.

      Is this Dr. Catherine Gentemann affiliated with a ranked Castle Connolly Top Hospital?

      Yes, Dr. Gentemann is affiliated with Hoag Hospital Newport Beach, Torrance Memorial 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 Internist?

      Explore Internist 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 Catherine Gentemann accepting new patients in Long Beach, CA?

      Yes, Dr. Catherine Gentemann is accepting new patients at this time.

      Does Dr. Catherine Gentemann offer online booking?

      Please contact Dr. Gentemann's office at (714) 848-0080 for information about online booking, telehealth, or to schedule an appointment.

      How can I make an appointment with Catherine Gentemann?

      Please contact Dr. Gentemann's office at (714) 848-0080 for information regarding telehealth appointment availability or for scheduling assistance.

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