Search

See All Internal Medicine Doctors in Watsonville, CA
Dr. Mark Byrne, MD
Internal Medicine* Age 66
Dr. Mark Byrne, MD
4.0 (1 Ratings)
Dr. Mark Byrne, MD is an Internist in Watsonville, CA.
Dr. Mark Byrne, MD
4.0 (1 Ratings)

Dr. Mark Byrne, MD

Internal Medicine* Age 66
Watsonville, CA
Accepting new patients
37 years of experience
Dr. Mark Byrne, MD is an Internist in Watsonville, CA.

About Dr. Mark Byrne, MD

Dr. Byrne graduated from University of Illinois College of Medicine in 1989 and completed a residency at University Mich. Dr. Mark Byrne, MD is an Internist in Watsonville, CA and has 37 years experience. Dr. Byrne has experience treating conditions like Joint Pain, Shortness of Breath and Acute Lower Respiratory Infection among other conditions at varying frequencies. Dr. Byrne's office accepts new patients. Dr. Byrne is board certified in Internal Medicine and accepts multiple insurance plans.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Care Coordination for Complex Conditions and Procedures
Joint Pain
Shortness of Breath
Care Coordination for Complex Conditions and Procedures
Care Coordination for Complex Conditions and Procedures
Joint Pain
Shortness of Breath
Acute Lower Respiratory Infection
All Headaches (incl. Migraine)
Acute Bronchitis
Venous Embolism and Thrombosis
Limb Pain
Arterial Blood Gas Test (ABG)
Chronic Care Management
Throat Pain
Urinary Incontinence
Muscle Spasm
Electrocardiogram (EKG)
Immunization Administration
Urinary Tract Infection (UTI)
Nausea
  • View other providers who treat Nausea
Acute Upper Respiratory Infection
Long COVID Disorder
Nail Infection
Foot Infection
Smoking Cessation Counseling
Muscle Cramping
Leukocytopenia
Tobacco Use Disorder
Constipation
Advance Directive End of Life Planning
Fever
  • View other providers who treat Fever
Abdominal Pain
Acute Deep Vein Thrombosis (DVT)
Acute Sinusitis
Acute Venous Embolism Thrombosis
Adhesive Capsulitis Shoulder
Allergic Rhinitis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Ankle Sprains and Strains
Anxiety
  • View other providers who treat Anxiety
Arthritis
Arthritis of the Elbow
Arthritis of the Neck
Asthma
  • View other providers who treat Asthma
Ataxia
  • View other providers who treat Ataxia
Atherosclerosis
Back Pain
Benign Chronic Pain Syndrome
Blood in Urine (Hematuria)
Bronchiectasis
Bronchitis
Bunion
  • View other providers who treat Bunion
Chest Pain
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
  • View other providers who treat Cough
Deep Vein Thrombosis (DVT)
Diabetes Type 2
Diabetes With Renal Manifestations
Difficulty With Walking
Dizziness
Dyslipidemia
Dysphagia
Earwax Buildup
Emphysema
Enlarged Prostate (BPH)
Esophagitis
Essential Tremor
Fibromyalgia
Gait Abnormality
Ganglion Cyst
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroptosis
Genu Valgum
Gout
  • View other providers who treat Gout
Hammer Toe
Headache
  • View other providers who treat Headache
Heart Disease
Heart Palpitations
Hernia
  • View other providers who treat Hernia
Hydrocele
Hyperlipidemia
Hypertension
Hypoglycemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Insomnia
  • View other providers who treat Insomnia
Intestinal Diverticulitis
Intestinal Diverticulosis
Irritable Bowel Syndrome
Knee Sprain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Low Back Pain
Malaise and Fatigue
Muscle Weakness
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Painful Urination (Dysuria)
Patellofemoral Pain Syndrome (PFPS)
Pericardial Disease
Peripheral Autonomic Neuropathy
Peripheral Nerve Disorders
Pneumonia
Pollen Allergy
Radiculopathy
Reflux Esophagitis
Restless Leg Syndrome
Sarcoidosis
Shoulder Tendinitis and Tenosynovitis
Sinus Bradycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Thyroid Goiter
Tinnitus
  • View other providers who treat Tinnitus
Tremor
  • View other providers who treat Tremor
Urinary Stones
Vaginitis or Vaginosis
Vertigo
  • View other providers who treat Vertigo
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
  • View other providers who treat Wheezing
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Diabetes Counseling
Pap Smear

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • First Health (Coventry Health Care) PPO
  • Bronze Full 4500 PPO
    Silver 70 PPO
    Bronze 60 SHOP PPO
    Platinum 90 PPO
    Blue Shield of California
  • Prudent Buyer Large Group CA PPO
    Prudent Buyer Individual CA PPO
    Pathway EPO
    Prudent Buyer Small Group CA PPO
  • Advantage Preferred DirectAccess Plus PPO
    Select PPO
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • Managed Choice (Open Access) POS
    Premier Care Network Plus - Innovation Health
    Elect Choice (Open Access) EPO
    Open Choice PPO
    Choice Plus POS II
  • Blue Card PPO

Where Dr. Mark Byrne, MD Sees Patients

What Patients Say

Likelihood to recommend Dr. Byrne
4.0
Based on 1 Reviews
5 Stars (0)
4 Stars (1)
3 Stars (0)
2 Stars (0)
1 Star (0)

Leave a review

How likely are you to recommend Dr. Byrne?

(Select your rating)
Patient Reviews
Sep 25, 2025
Dr Byrne is the BEST! Unfortunately the ladies up front are very rude. Tried one time to collect 100.00 more and insulted me because I disputed it. 2 weeks later received a new bill with a zero balance. ??
Carole Millet — Sep 25, 2025
See more reviews on Healthgrades
Claim Your Profile
Are you Dr. Mark Byrne, MD?
Respond to reviews, add information, and reach more patients. Claiming is free and only takes a minute.

Claim my profile

Meet Dr. Mark Byrne, MD

Specialties*
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Byrne communicate via email?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne offer telehealth services or virtual visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne offer an online patient portal?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne have free onsite parking?
1 user said yes.
Yes
(1)
No
(0)
Does Dr. Byrne offer weekend visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne offer evening visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Byrne accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Byrne's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Mark Byrne, MD. To arrange an appointment, call the number on Dr. Byrne's profile.

Dr. Byrne frequently treats the following conditions: Joint Pain, Shortness of Breath and Acute Lower Respiratory Infection. See more on Sharecare.

Dr. Mark Byrne, MD is affiliated with Watsonville Community Hospital.

Yes, Dr. Mark Byrne, MD holds board certification in Internal Medicine.

Training & Medical Education
Medical Education
  • University of Illinois College of Medicine
    1989
Medical Education
Board Certifications
  • Internal Medicine
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.
Internship
  • University of Michigan Hospitals
    1990
Internship
Residency Hospital
  • University Mich
    1992
Residency Hospital
Fellowship Hospital
  • Stanford University
    1996
Fellowship Hospital

Hospitals Where Dr. Mark Byrne, MD Practices

  • Watsonville Community Hospital

    75 Nielson St, Watsonville, CA

Explore More Providers