MA
30 Years of Experience
Accepting patients
Who is Dr. Ahrens, Internist in Portland, OR?
Dr. Merrill Ahrens, MD is an Internist, who primarily practices in Portland, OR with 2 additional practice locations. He has been practicing for over 30 years and is board certified by the American Board of Internal Medicine. Dr. Ahrens completed his residency at Maine Med Ctr, Internal Medicine. Dr. Ahrens is fluent in English, and is currently seeing new patients. Dr. Ahrens’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahrens’s office.
Where did Dr. Ahrens go to medical school and complete their residency?
Residency: Maine Med Ctr, Internal Medicine
Medical School: Northwestern Uniiversity
Is Dr. Ahrens board certified in Internist?
Yes, Dr. Merrill Ahrens, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ahrens speak?
Dr. Ahrens and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Ahrens treat?
As a Internist, Dr. Ahrens 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. Ahrens. 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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- General Health Screening
- General Disorder Screening
- Health Screening
- Routine Check-up
- Preventive Health Exam
- Wellness Screening
- General Health Check
- Disease Screening
- Medical Disorder Screening
ICD-10 Codes:
- Z139: Encounter for screening, unspecified
- Z1389: Encounter for screening for other disorder
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 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:
- Anxiety Disorder
- Anxiety
- General Anxiety
- Anxiety Problems
- Nervous Disorder
ICD-10 Codes:
- F419: Anxiety disorder, unspecified
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:
- 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:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Generalized Anxiety Disorder
- Anxiety
- GAD
- Chronic Worry
- Excessive Worry Disorder
ICD-10 Codes:
- F411: Generalized anxiety disorder
Also known as:
- Other Long-Term Drug Therapy
- Chronic medication use
- Ongoing drug treatment
- Extended drug therapy
ICD-10 Codes:
- Z79899: Other long term (current) drug therapy
Also known as:
- Cigarette Addiction
- Smoking
- Smoking Addiction
- Nicotine Dependence from Cigarettes
- Tobacco Addiction
ICD-10 Codes:
- F17210: Nicotine dependence, cigarettes, uncomplicated
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Obstructive Sleep Apnea
- Sleep Apnea
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
Also known as:
- Depression
- Clinical depression
- Major depressive disorder
- Mood disorder
ICD-10 Codes:
- F32A: Depression, unspecified
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
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:
- 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:
- Prediabetes
- Insulin Resistance & Prediabetes
- Borderline diabetes
- Insulin resistance
- High blood sugar (not yet diabetes)
ICD-10 Codes:
- R7303: Prediabetes
Which procedures does Dr. Ahrens perform as a Internist?
As a Internist, procedures performed by an Dr. Merrill Ahrens may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Ahrens' office.
Does Dr. Ahrens accept my insurance?
Dr. Ahrens accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ahrens accept in Portland, OR?
Dr. Ahrens in Portland, OR accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Cambia (Regence)
Kaiser Permanente
Medica
Medicare
Moda Health
Yamhill Community Care
View All Insurances
Where is Dr. Ahrens' office located?
What is Dr. Ahrens's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ahrens's National Provider Identifier (NPI) number is 1194839225.
What common questions do patients ask about Dr. Ahrens?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ahrens
What is Dr. Merrill Ahrens's specialty?
Dr. Ahrens is a Internist near Portland, OR.
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. Ahrens to book an appointment today.Is this Dr. Merrill Ahrens affiliated with a ranked Castle Connolly Top Hospital?
No, Ahrens is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Legacy Emanuel 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 Merrill Ahrens accepting new patients in Portland, OR?
Yes, Dr. Merrill Ahrens is accepting new patients at this time.
Does Dr. Merrill Ahrens offer online booking?
Please contact Dr. Ahrens's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Merrill Ahrens?
Please contact Dr. Ahrens's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Merrill Ahrens have?
Dr. Merrill Ahrens is certified by the American Board of Internal Medicine.
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