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Dr. Marlon Decastro, MD
Family Medicine* Age 55
Dr. Marlon Decastro, MD

Offers telehealth
Map Pin Small Santa Rosa, CA
Dr. Marlon Decastro, MD is a Family Medicine Physician in Santa Rosa, CA.
Dr. Marlon Decastro, MD

Dr. Marlon Decastro, MD

Family Medicine* Age 55
Santa Rosa, CA
Accepting new patients
29 years of experience

Offers telehealth

Dr. Marlon Decastro, MD is a Family Medicine Physician in Santa Rosa, CA.
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About Dr. Marlon Decastro, MD

Dr. Decastro graduated from Afable College of Medicine and Surgery. Dr. Marlon Decastro, MD is a Family Medicine Physician in Santa Rosa, CA and has 29 years experience. Dr. Decastro currently practices at Santa Rosa-Family Medicine and is affiliated with Providence Santa Rosa Memorial Hospital. Dr. Decastro's office accepts new patients and telehealth appointments. Dr. Decastro also speaks Tagalog. Dr. Decastro is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

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Experience Check

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Nail Infection
Vitamin B Deficiency
All Headaches (incl. Migraine)
Nail Infection
Vitamin B Deficiency
All Headaches (incl. Migraine)
Nail Infection
Vitamin B Deficiency
All Headaches (incl. Migraine)
Foot Infection
Arterial Blood Gas Test (ABG)
Shortness of Breath
Immunization Administration
Limb Pain
Electrocardiogram (EKG)
Urinary Tract Infection (UTI)
Joint Pain
Constipation
Foot Sprain
Adult Failure to Thrive
Pharyngitis
Tobacco Use Disorder
Urinary Incontinence
Acute Upper Respiratory Infection
Mild Asthma
Fecal Occult Blood Test for Colorectal Cancer
Fever
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Leukocytopenia
Intestinal Diverticulitis
Administrative Physical
Abdominal Pain
Abnormal Thyroid
Achilles Tendinitis
Acne
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Actinic Keratosis
Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Laryngitis
Acute Lower Respiratory Infection
Acute Pharyngitis
Acute Sinusitis
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Adhesive Capsulitis Shoulder
Allergic Conjunctivitis
Allergic Rhinitis
Amenorrhea
Anal or Rectal Pain
Anaphylaxis
Anemia
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Animal Allergies
Ankle Sprains and Strains
Anxiety
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Arthritis
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Asphyxia and Hypoxemia
Asthma
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Asymptomatic Post-Menopausal Status
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Atherosclerosis
Athlete's Foot
Atrophic Vaginitis
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Black Hairy Tongue
Bladder Infection
Blood in Urine (Hematuria)
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Bronchiectasis
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Calcium Metabolism Disorders
Canker Sore
Carpal Tunnel Syndrome
Celiac Disease
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Chondromalacia
Chronic Deep Vein Thrombosis (DVT)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Chronic Sinusitis
Cluster Headache
Coccygeal Pain
Cold Sore
Common Cold
Confusion
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Deep Vein Thrombosis (DVT)
Dehydration
Dermatitis Due to Drugs
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Diabetes Type 1
Diabetes Type 2
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Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
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Dyslipidemia
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Eczema and Contact Dermatitis
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Essential Tremor
Excessive Menstrual Bleeding
Familial Hypercholesterolemia
Fibromyalgia
Gait Abnormality
Ganglion Cyst
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroptosis
Genital Herpes
Genu Valgum
Gout
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Hair Loss
Hammer Toe
Headache
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Heart Disease
Heart Palpitations
Heartburn
Hemorrhoids
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hip Pointer
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Hydrocele
Hypercalcemia
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Hyperlipidemia
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Hypoglycemia
Hypogonadism
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Impetigo
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Influenza (Flu)
Ingrown Nail
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Intestinal Diverticulosis
Iron Metabolism Disorders
Irritable Bowel Syndrome
Itchy Skin
Jock Itch
Knee Sprain
Laryngitis
Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
Leg and Foot Ulcers
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Long COVID Disorder
Low Back Pain
Lyme Disease
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Migraine
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Mineral Metabolism Disorders
Moles (Benign Skin Lesions)
Muscle Cramping
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Nasopharyngitis
Nausea
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Neck Strain (incl. Whiplash Injury)
Neurogenic Bladder
Nighttime Urination (Nocturia)
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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Onychomycosis
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
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Osteopenia
Osteoporosis
Otitis Media
Outer Ear Infection
Overactive Bladder
Overweight
Painful Urination (Dysuria)
Patellofemoral Pain Syndrome (PFPS)
Pericardial Disease
Perimenopause
Peripheral Nerve Disorders
Phlebitis and Thrombophlebitis
Pinkeye (Conjunctivitis)
Plantar Fasciitis
Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Postnasal Drip
Postpartum Depression
Proteinuria
Purpura
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Radiculopathy
Rash
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Raynaud's Disease
Restless Leg Syndrome
Rhabdomyolysis
Ringworm
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Salivary Gland Stones and Inflammation
Sarcoidosis
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Scrotal Pain
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Secondary Diabetes Mellitus
Secondary Hypertension
Secondary Renovascular Hypertension
Sexually Transmitted Diseases (STDs)
Shingles
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Shoulder Tendinitis and Tenosynovitis
Sinus Bradycardia
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Sinusitis
Skin Ulcer
Sleep Apnea
Sleep-Related Leg Cramp
Sprains and Strains (incl. Muscle Tear)
Strep Throat
Swine Flu
Symptomatic Menopause
Testicular Dysfunction
Thyroid Goiter
Tinea Versicolor
Tinnitus
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Transient Ischemic Attack (TIA)
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Viral Hepatitis
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Whooping Cough
Wrist Sprain or Strain
Yeast Infections
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Care Coordination for Complex Conditions and Procedures
Smoking Cessation Counseling
Wellness Examination

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • California - Northern HMO
    Kaiser Permanente
  • BlueCard PPO
  • CA Cigna + Oscar Open Access Plus
  • Western Health Advantage
  • Premier Care Network Plus - Innovation Health
    Open Choice PPO
    Managed Choice (Open Access) POS
  • HealthyBlue Advantage
  • Cigna HMO
    Cigna PPO
    Open Access Plus
    LocalPlus
  • Pathway EPO
    California Care Small Group HMO
    Anthem Blue Connection EPO
    Prudent Buyer Large Group CA PPO
    Advantage HMO
    Prudent Buyer Individual CA PPO
  • Access Plus Savenet
    Local Access Plus HMO
    Access Plus HMO
  • Blue Cross CA Vivity HMO
    Blue Cross CA PPO Prudent Buyer Small Group PPO
    Advantage Preferred DirectAccess Plus PPO
    Select PPO

Where Dr. Marlon Decastro, MD Sees Patients

  1. 1 Santa Rosa-Family Medicine
    1162 Montgomery Dr Fl 2, Santa Rosa, CA 95405
    Icon Directions Right Arrow Directions Phone Icon (707) 303-8301
  2. 2 Redwood Urology Medical Group
    500 Doyle Park Dr Ste 303, Santa Rosa, CA 95405
    Icon Directions Right Arrow Directions Phone Icon (707) 303-8300

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Telehealth Options
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(707) 303-8301

Meet Dr. Marlon Decastro, MD

Languages Spoken
Tagalog
Languages Spoken
Specialties*
Family Medicine
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. Decastro communicate via email?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Decastro offer telehealth services or virtual visits?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Decastro offer an online patient portal?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Decastro have free onsite parking?
2 users said yes.
Yes
(2)
No
(0)
Does Dr. Decastro offer weekend visits?
No users said yes.
Yes
(0)
No
(3)
Does Dr. Decastro offer evening visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Decastro specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Decastro specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Decastro specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Decastro specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Decastro accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Decastro'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. Marlon Decastro, MD. To arrange an appointment, call the number on Dr. Decastro's profile.

Dr. Marlon Decastro, MD is affiliated with Providence Santa Rosa Memorial Hospital.

Yes, Dr. Marlon Decastro, MD holds board certification in Internal Medicine.
Training & Medical Education
Medical Education
  • Afable College of Medicine and Surgery
    1997
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.

Hospitals Where Dr. Marlon Decastro, MD Practices

  • Providence Santa Rosa Memorial Hospital

    1165 Montgomery Dr, Santa Rosa, CA

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