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Dr. Brian Gretta, MD
Internal Medicine* Age 66
Dr. Brian Gretta, MD
1.0 (1 Ratings)
Map Pin Small Lincoln, ME
Dr. Brian Gretta, MD is an Internist in Lincoln, ME.
Dr. Brian Gretta, MD
1.0 (1 Ratings)

Dr. Brian Gretta, MD

Internal Medicine* Age 66
Lincoln, ME
Accepting new patients
40 years of experience
Dr. Brian Gretta, MD is an Internist in Lincoln, ME.

About Dr. Brian Gretta, MD

Dr. Gretta graduated from Ohio State University. Dr. Brian Gretta, MD is an Internist in Lincoln, ME and has 40 years experience. Dr. Gretta has experience treating conditions like Tobacco Use Disorder, Acute Lower Respiratory Infection, Acute Bronchitis, Acute Upper Respiratory Infection and Fever among other conditions at varying frequencies. Dr. Gretta's office accepts new patients. Dr. Gretta is board certified in Internal Medicine and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Tobacco Use Disorder
Acute Lower Respiratory Infection
Acute Bronchitis
Tobacco Use Disorder
Acute Lower Respiratory Infection
Acute Bronchitis
Tobacco Use Disorder
Acute Lower Respiratory Infection
Acute Bronchitis
Acute Upper Respiratory Infection
Fever
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Nausea
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Foot Sprain
Dehydration
Arterial Blood Gas Test (ABG)
All Headaches (incl. Migraine)
Shortness of Breath
Electrocardiogram (EKG)
Constipation
Elbow Sprain
Pharyngitis
Tonsillitis
Urinary Tract Infection (UTI)
Joint Pain
Immunization Administration
Asphyxia and Hypoxemia
Limb Pain
Abdominal Pain
Acidosis
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Acute Deep Vein Thrombosis (DVT)
Acute Kidney Infection
Acute Laryngitis
Acute Pharyngitis
Acute Sinusitis
Acute Tonsillitis
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Administrative Physical
Adult Failure to Thrive
All Types of Food Poisoning
Allergic Conjunctivitis
Allergic Rhinitis
Anal or Rectal Pain
Anaphylactic Food Allergies
Anaphylactic Tree Nut Allergy
Anaphylaxis
Anemia
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Animal Allergies
Ankle Sprains and Strains
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Atherosclerosis
Athlete's Foot
Atopic Dermatitis (Eczema)
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Bird Flu
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Bladder Infection
Blepharitis
Blood in Urine (Hematuria)
Bronchitis
Bronchospasm
Bruise of Face, Scalp, or Neck
Burn Injuries
Bursitis
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Canker Sore
Celiac Disease
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Chronic Deep Vein Thrombosis (DVT)
Chronic Neck Pain
Chronic Pain
Chronic Pharyngitis
Chronic Sinusitis
Cold Sore
Common Cold
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Cyclothymia (Chronic Mood Disorder)
Deep Vein Thrombosis (DVT)
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dizziness
Dyslipidemia
Dysphagia
Ear Ache
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Earwax Buildup
Eczema and Contact Dermatitis
Eczema and Contact Dermatitis Due to Detergents
Emphysema
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Fibromyalgia
Food Poisoning
Foot Infection
Gait Abnormality
Ganglion Cyst
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gout
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Headache
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Heart Disease
Heart Palpitations
Hemorrhoids
Hernia
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Herpes Simplex Infection
Herpes Zoster Without Complication
Hip Pointer
Hip Sprain
Hives
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Human Immunodeficiency Virus (HIV)
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Impetigo
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Indigestion
Influenza (Flu)
Insomnia
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Intertrigo
Intestinal Diverticulitis
Intestinal Diverticulosis
Iron Metabolism Disorders
Irritable Bowel Syndrome
Itchy Skin
Kidney Infection
Kidney Stone Pain (Renal Colic)
Knee Sprain
Lactose Intolerance
Laryngitis
Leg and Foot Ulcers
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Menopausal and Postmenopausal Disorders
Menstrual Disorders
Migraine
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Mineral Metabolism Disorders
Mood Disorders (Dysthymia and Cyclothymia)
Muscle Cramping
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Nail Infection
Nasopharyngitis
Neck Strain (incl. Whiplash Injury)
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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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
Otitis Media
Outer Ear Infection
Overweight
Painful Urination (Dysuria)
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Perimenopause
Peripheral Autonomic Neuropathy
Peripheral Nerve Disorders
Phlebitis and Thrombophlebitis
Pinkeye (Conjunctivitis)
Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Pollen Allergy
Polyneuropathy
Polyuria
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Postnasal Drip
Prostatitis
Radiculopathy
Rash
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Raynaud's Disease
Reflux Esophagitis
Restless Leg Syndrome
Ringworm
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Rosacea
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Salivary Gland Stones and Inflammation
Sarcoidosis
Sciatica
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Seborrheic Dermatitis
Second-Degree Burns
Sexually Transmitted Diseases (STDs)
Shingles
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Sickle Cell Disease
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Strep Throat
Swine Flu
Tension Headache
Thrush
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Thyroid Goiter
Transient Ischemic Attack (TIA)
Tremor
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Trichomoniasis
Trigeminal Neuralgia
Urinary Incontinence
Urinary Stones
Vaginitis or Vaginosis
Venous Embolism and Thrombosis
Venous Insufficiency
Vertigo
  • View other providers who treat Vertigo
Viral Enteritis
Viral Hepatitis
Viral Infection
Wheezing
  • View other providers who treat Wheezing
Wrist Sprain or Strain
Yeast Infections
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Fecal Occult Blood Test for Colorectal Cancer
Nail Avulsion and Excision

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Blue Choice Option POS
    Blue Choice HMO
    Blue Choice PPO
    BlueChoice Option POS
  • Pathway HMO
  • Blue Open Access Alternate Network POS
  • Blue Card PPO
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • First Health (Coventry Health Care) PPO
  • Flex Connecticut EPO

What Patients Say

Likelihood to recommend Dr. Gretta
1.0
Based on 1 Reviews
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1 Star (1)

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Patient Reviews
Aug 02, 2025
Horrible, very dismissive
— Aug 02, 2025
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Meet Dr. Brian Gretta, 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. Gretta communicate via email?
No users said yes.
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No
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Does Dr. Gretta offer telehealth services or virtual visits?
1 user said yes.
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Does Dr. Gretta offer an online patient portal?
No users said yes.
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Does Dr. Gretta have free onsite parking?
No users said yes.
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No
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Does Dr. Gretta offer weekend visits?
1 user said yes.
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Does Dr. Gretta offer evening visits?
1 user said yes.
Yes
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No
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Does Dr. Gretta specialize in working with children or adolescents?
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Does Dr. Gretta specialize in working with seniors?
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Does Dr. Gretta specialize in couples therapy?
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Does Dr. Gretta specialize in working with LGBTQ+ community?
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Does Dr. Gretta accept insurance?
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FAQs About Dr. Gretta'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. Brian Gretta, MD. To arrange an appointment, call the number on Dr. Gretta's profile.

Dr. Gretta frequently treats the following conditions: Tobacco Use Disorder, Acute Lower Respiratory Infection, Acute Bronchitis, Acute Upper Respiratory Infection and Fever. See more on Sharecare.

Dr. Brian Gretta, MD is affiliated with Parkland Medical Center and Liberty Regional Medical Center.

Yes, Dr. Brian Gretta, MD holds board certification in Internal Medicine.
Training & Medical Education
Medical Education
  • Ohio State University
    1986
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. Brian Gretta, MD Practices

  • Parkland Medical Center

    1 Parkland Dr, Derry, NH

  • Liberty Regional Medical Center

    462 E G Miles Pkwy, Hinesville, GA

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