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Dr. Mark Donaldson, MD

San Luis Obispo, CA

39 Years of Experience

Accepting patients

    Who is Dr. Donaldson, Internist in San Luis Obispo, CA?

    Dr. Mark Donaldson, MD is an Internist, who primarily practices in San Luis Obispo, CA with 1 additional practice location. He has been practicing for over 39 years and is board certified by the American Board of Internal Medicine. Dr. Donaldson completed his residency at Central Ia Hlth Sys/Ia Methodi, Internal Medicine. Dr. Donaldson is fluent in English, and is currently seeing new patients. Dr. Donaldson’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Donaldson’s office at (805) 543-1233.

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

    • Residency: Central Ia Hlth Sys/Ia Methodi, Internal Medicine

    • Medical School: University Of Ia Coll Of Med- Iowa City Ia

    Is Dr. Donaldson board certified in Internist?

    Yes, Dr. Mark Donaldson, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Donaldson speak?

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

    • English

    What conditions does Dr. Donaldson treat?

    As a Internist, Dr. Donaldson 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. Donaldson. 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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

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

    Also known as:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

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

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Special Medical Examination
    • Specific health check
    • Detailed medical assessment
    • Special health screening

    ICD-10 Codes:

    • Z0189: Encounter for other specified special examinations

    Also known as:

    • Colon Cancer Screening
    • Health Screening
    • Colorectal Cancer Screening (PDQ®)
    • Screening Tests to Detect Colorectal Cancer and Polyps
    • Tests to Detect Colorectal Cancer and Polyps
    • Colorectal Cancer Screening
    • Colonoscopy Screening
    • Bowel Cancer Screening

    ICD-10 Codes:

    • Z1211: Encounter for screening for malignant neoplasm of colon

    Also known as:

    • Acid Reflux
    • GERD
    • Acid Reflux (GER & GERD) in Adults
    • Acid Reflux (GER & GERD) in Children
    • Acid Reflux (GER & GERD) in Infants
    • Gastroesophageal Reflux
    • Heartburn
    • Indigestion

    ICD-10 Codes:

    • K219: Gastro-esophageal reflux disease without esophagitis

    Also known as:

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

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    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:

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

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Hardening of the Arteries in the Heart without Chest Pain
    • Atherosclerosis
    • Coronary Artery Disease
    • Silent Coronary Artery Disease
    • Asymptomatic Atherosclerosis

    ICD-10 Codes:

    • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Enlarged Prostate
    • Enlarged Prostate (BPH)
    • Enlarged Prostate (Benign Prostatic Hyperplasia)
    • Benign Prostatic Hyperplasia
    • BPH
    • Prostate Enlargement

    ICD-10 Codes:

    • N400: Benign prostatic hyperplasia without lower urinary tract symptoms

    Also known as:

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

    ICD-10 Codes:

    • M25562: Pain in left knee

    Which procedures does Dr. Donaldson perform as a Internist?

    As a Internist, procedures performed by an Dr. Mark Donaldson may include:

    For detailed information, please contact Dr. Donaldson's office.

    Does Dr. Donaldson accept my insurance?

    Dr. Donaldson accepts most major insurance plans. Important: Please call our office at (805) 543-1233 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Donaldson accept in San Luis Obispo, CA?

    Dr. Donaldson in San Luis Obispo, 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

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • Mutual of Omaha

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Donaldson's office located?

    Dr. Mark Donaldson's Primary Practice

    1288 Morro St Ste 200

    San Luis Obispo, CA 93401

    (805) 543-1233

    Get Directions

    Dr. Mark Donaldson's Practice 2

    1550 E Main St

    Santa Maria, CA 93454

    Get Directions

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

    Dr. Donaldson's National Provider Identifier (NPI) number is 1710923933.

    What common questions do patients ask about Dr. Donaldson?

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

    What is Dr. Mark Donaldson's specialty?

    Dr. Donaldson is a Internist near San Luis Obispo, 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. Donaldson to book an appointment today.

    Is this Dr. Mark Donaldson affiliated with a ranked Castle Connolly Top Hospital?

    No, Donaldson is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Lompoc Valley Medical Center, West Los Angeles Va Medical Center. 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

    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 Mark Donaldson accepting new patients in San Luis Obispo, CA?

    Yes, Dr. Mark Donaldson is accepting new patients at this time.

    Does Dr. Mark Donaldson offer online booking?

    Please contact Dr. Donaldson's office at (805) 543-1233 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mark Donaldson?

    Please contact Dr. Donaldson's office at (805) 543-1233 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mark Donaldson have?

    Dr. Mark Donaldson is certified by the American Board of Internal Medicine.

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