See All Nephrologists in Fremont, OH
Dr. John Ranker, MD Icon-share Share Profile
icon-circle-check
Link Copied!
Profile link copied to clipboard!

Dr. John Ranker, MD

Nephrology*
Map Pin Small Fremont, OH
Accepting new patients
21 years of experience

Offers telehealth

Overview of Dr. John Ranker, MD

Dr. John Ranker, MD is a Nephrology Specialist in Fremont, OH. They specialize in Nephrology, has 21 years of experience, and is board certified in Nephrology. They graduated from UNIVERSITY OF CINCINNATI / MEDICAL CENTER and is affiliated with ProMedica Toledo Hospital, ProMedica Memorial Hospital, Wood County Hospital, Blanchard Valley Hospital, Bluffton Hospital and ProMedica Fostoria Community Hospital.

Dr. Ranker works at Practice in Fremont, OH with other offices in Findlay, OH and Bowling Green, OH. They frequently treat conditions like Chronic Kidney Disease Stage III and Chronic Kidney Diseases along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

Find providers based on your care needs

User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Ranker's Office Locations

  1. 1
    Promedica Physicians Family Medicine
    605 3rd Ave Ste B, Fremont, OH 43420 Icon Directions Right Arrow Directions Phone Icon (419) 874-3246
  2. 2
    Office
    1818 Chapel Dr Ste B, Findlay, OH 45840 Icon Directions Right Arrow Directions Phone Icon (419) 874-3246
  3. 3
    Rise Medical Group LLC
    960 W Wooster St Ste 107, Bowling Green, OH 43402 Icon Directions Right Arrow Directions Phone Icon (419) 874-3246

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • ProMedica Toledo Hospital
  • ProMedica Memorial Hospital
  • Wood County Hospital
  • Blanchard Valley Hospital
  • Bluffton Hospital
  • ProMedica Fostoria Community Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Chronic Kidney Disease Stage III
Chronic Kidney Diseases
Hyposmolality and Hyponatremia
Chronic Kidney Disease Stage III
Hyposmolality and Hyponatremia

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Chronic Kidney Disease Stage III
Chronic Kidney Diseases
Hyposmolality and Hyponatremia
Acute Kidney Failure
Calcium Metabolism Disorders
Chronic Kidney Disease Stage II
Chronic Kidney Disease Stage IV
Chronic Kidney Disease Stage V
Diabetes With Renal Manifestations
End-Stage Renal Disease
Gout
  • View other providers who treat Gout
Hydronephrosis
Hypercalcemia
Hyperkalemia
Hyperparathyroidism
Hypertension
Hypertensive Chronic Kidney Disease
Hypokalemia
Kidney Stones
Magnesium Metabolism Disorders
Mineral Metabolism Disorders
Nephritis and Nephropathy
Parathyroid (Gland) Disease
Proteinuria
Renal Hyperparathyroidism
Secondary Renovascular Hypertension
Vitamin D Deficiency
Acidosis
  • View other providers who treat Acidosis
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Chronic Kidney Disease Stage I
Chronic Kidney Infection
Chronic Tubulo Interstitial Nephritis
Congenital Cystic Kidney Disease
Congenital Renal Agenesis and Dysgenesis
Dehydration
Goodpasture's Disease
Hypertensive Heart and Chronic Kidney Disease
Hypotension (Excluding Maternal)
Kidney Infection
Limb Swelling
Limb Swelling Caused by Fluid Overload
Nephrotic Syndrome
Phosphorus Metabolism Disorders
Renal Artery Arteriosclerotic Disease
Renal Osteodystrophy
Small Kidney
Systemic Vasculitis
Traumatic Acute Kidney Injury
Ureteral Stones
Kidney Transplant Evaluation
Living Kidney Donor Evaluation
Peritoneal Dialysis
Renal Scan
Ultrasound, Kidney
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of Michigan
    • Cigna
    • Humana
    • Medical Mutual of Ohio
    • Paramount
    • Priority Health
    • SummaCare
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    Be the first to leave a review

    How was your appointment with Dr. Ranker?

    Photo: Dr. John Ranker, MD
    How would you rate your experience with Dr. John Ranker, MD?
    • Likelihood of recommending Dr. Ranker to family and friends

    Dr. Ranker's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Ranker

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

    Tell Us About Yourself

    • Your gender:
    • Your age group:
    • Number of office visits you've had in the last 2 years:

    Finish Here

    • How would you like to confirm your survey information?
      Standard text messaging and data rates may apply.
    Thank you for sharing your feedback about Dr. John Ranker, MD.

    About Dr. John Ranker, MD

    Specialties*
    • Nephrology

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 21 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1508069444
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • UNIVERSITY OF CINCINNATI / MEDICAL CENTER
    Medical Education
    Board Certifications
    • Nephrology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. John Ranker, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Ranker is offering online scheduling or call the provider’s office for more information.

    Dr. Ranker has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Ranker has seen patients for Chronic Kidney Disease Stage III and Chronic Kidney Diseases, and more. You can see other conditions treated by Dr. Ranker on their profile. Please call the provider’s office to confirm all visit reasons.

    Dr. Ranker has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Ranker.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Ranker, there are benefits to both methods. A person calling to schedule an with Dr. Ranker appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Ranker, or would you like to choose another provider and have an online appointment right now?
    Find provider online now
    Call now to make an appointment
    (419) 874-3246

    Are you Dr. John Ranker, MD?

    Claim your profile through Healthgrades to keep it updated and reach more patients.

    It’s free and only takes a minute.

    CLAIM MY PROFILE

    Search

    Primary Care
    Close Icon