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Dr. Phenton Harker, MD

Public Health & General Preventive Medicine Specialist, Family Medicine Specialist, Occupational Medicine Specialist

Portsmouth, NH

18 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Harker, Public Health & General Preventive Medicine Specialist in Portsmouth, NH?

    Dr. Phenton Harker, MD is a Public Health & General Preventive Medicine Specialist, who primarily practices in Portsmouth, NH with 1 additional practice location. He has been practicing for over 18 years and is board certified. Dr. Harker graduated from Ohio State University / College of Medicine. Dr. Harker is fluent in English and Spanish, and is currently seeing new patients. Dr. Harker’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Harker’s office at (603) 431-2516.

    What are Areas of Expertise for Dr. Harker?

    Dr. Phenton Harker, MD is a highly-rated, board-certified Public Health & General Preventive Medicine Specialist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Harker empowers patients to confidently navigate their health journey, specializing in Primary Care, and comprehensive wellness support. Serving the Portsmouth, NH community, Dr. Harker is dedicated to enhancing lives through expert, patient-centered care.

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

    • Medical School: Ohio State University / College of Medicine

    Is Dr. Harker board certified as a Public Health & General Preventive Medicine Specialist?

    Yes, Dr. Phenton Harker, MD is board certified by the American Board of Family Medicine , American Board of Preventative Medicine

    What languages does Dr. Harker speak?

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

    • English
    • Spanish

    What conditions does a Public Health & General Preventive Medicine Specialist like Dr. Harker typically treat?

    As a Public Health & General Preventive Medicine Specialist, Dr. Harker 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. Harker. 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.

    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:

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

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

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

    ICD-10 Codes:

    • F419: Anxiety disorder, unspecified

    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:

    • 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:

    • Routine Child Health Examination (Normal Findings)
    • Health Checkup
    • Normal Well-Child Checkup
    • Child Physical Exam (No Issues)
    • Routine Pediatric Exam (Clear)

    ICD-10 Codes:

    • Z00129: Encounter for routine child health examination without abnormal findings

    What procedures does a Public Health & General Preventive Medicine Specialist like Dr. Harker typically perform?

    As a Public Health & General Preventive Medicine Specialist, procedures performed by Dr. Phenton Harker may include:

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

    Does Dr. Harker accept my insurance?

    Dr. Harker accepts most major insurance plans. Important: Please call our office at (603) 431-2516 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Harker accept in Portsmouth, NH?

    Dr. Harker in Portsmouth, NH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • AMA Insurance Services

    • Cigna Group

    • Elevance Health Inc. (formerly Anthem)

    • H & R Block

    • Humana

    • Martin's Point

    • Martin's Point Health Care

    • Medicare

    • Point32Health

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Harker's office located?

    Dr. Phenton Harker's Primary Practice

    25 NH Ave Ste 100

    Portsmouth, NH 03801

    (603) 431-2516

    Get Directions

    Crfhc

    250 Pleasant St

    Concord, NH 03301

    Get Directions

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

    Dr. Harker's National Provider Identifier (NPI) number is 1629148911.

    What common questions do patients ask about Dr. Harker?

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

    What is Dr. Phenton Harker's specialty?

    Dr. Harker is a Public Health & General Preventive Medicine Specialist near Portsmouth, NH.

    What does a Public Health & General Preventive Medicine Specialist do?

    Public health and general preventive medicine emphasize the promotion of health, disease prevention, and the management of community health for specific populations. Practitioners in this field integrate population-based public health expertise with an understanding of clinical practices aimed at primary, secondary, and tertiary prevention across diverse settings.

    Is Dr. Phenton Harker affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Harker is affiliated with Portsmouth Regional Hospital which is a Castle Connolly Top Hospital. 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

    When to see a Public Health & General Preventive Medicine Specialist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Public Health & General Preventive Medicine Specialist. 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 Dr. Phenton Harker accepting new patients in Portsmouth, NH?

    Yes, Dr. Phenton Harker is accepting new patients at this time.

    Does Dr. Phenton Harker offer online booking?

    Please contact Dr. Harker's office at (603) 431-2516 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Phenton Harker?

    Please contact Dr. Harker's office at (603) 431-2516 to schedule an appointment.

    Where is Dr. Harker's office located?

    Dr. Harker's offices are located in Portsmouth, NH and Concord, NH.

    Which board certifications does Dr. Phenton Harker have?

    Dr. Phenton Harker is certified by the American Board of Family Medicine and American Board of Preventative Medicine.