Carpal Tunnel

Cold Sores

Diverticulitis

Fibromyalgia

Hemorrhoids

Hypothyroidism

Impetigo

Kidney Stones

Pancreatitis

Preeclampsia

Sepsis

Tonsillitis

Ulcerative Colitis

Urinary Tract Infection

Vitiligo

Conditions

CVS Health (formerly Aetna)

Florida Blue / Guidewell

Elevance Health (formerly Anthem)

Blue Cross Blue Shield (BCBS)

Cigna

Aflac

Allstate

Centene (Fidelis Care)

HealthFirst

Humana Health

Kaiser Permanente

Medicaid

Medicare

UnitedHealthcare

WellCare

Insurances

Los Angeles, CA

San Diego, CA

San Francisco, CA

Washington, DC

Miami, FL

Atlanta, GA

Chicago, IL

Baltimore, MD

Boston, MA

New York, NY

Brooklyn, NY

Houston, TX

Dallas, TX

Philadelphia, PA

Saint Louis, MO

Locations

Annual Physical

Annual Skin Screening

Colonoscopy

Couples Therapy

Dermatology Consultation

Hypnosis

Knee Replacement Surgery

Laser Hair Removal

Lasik Surgery

Liposuction

Marriage Counseling

Nexplanon Insertion

Plastic Surgery

Psychotherapy

Tattoo Removal

Procedures

Addiction Medicine Specialist

Cardiologist

Dermatology is the branch of medicine dealing with the skin. It is a speciality with both medical and surgical aspects. A dermatologist is a specialist medical doctor who manages diseases related to skin, hair, nails, and some cosmetic problems.

Dermatologist

Endocrinologist (Diabetes & Hormones Specialist)

Endocrinologist

Gastroenterologist (Stomach & Bowel Specialist)

Gastroenterologist

General Practitioner

An obstetrician-gynecologist, or OB-GYN, is a healthcare professional that specializes in female reproductive health.

OB/GYN

Ophthalmologist

Optometrist

Orthopedic Surgeon

Otolaryngologist

Pediatrician

Podiatrist

Psychiatrist / Neurologist

Urologist

Specialists

University Di Roma La Sapienza Faculty Di Med E Chirurgia Roma Italy

University degli Studi di Roma 'La Sapienza' Facolty di Farmacia e Medicina

University Campus Bio-Medico di Roma Facolty di Medicina e Chirurgia

Mather Hospital

St. Charles Hospital

Excellent Doctor!

Dr. Alfred Cossari, MD is a board certified Ophthalmologist in Port Jefferson, NY with over 50 years of experience.
  Learn more about Dr. Cossari, practice locations, insurances accepted, and read reviews on Everyday Health-CARE.

Dr. Alfred Cossari, MD | Ophthalmologist in Port Jefferson, NY

Dr. Alfred Cossari, MD

acceptsNewPatients

Cataract Removal

Corneal Specialist Consultation

Corneal Specialist Follow Up

Dark Adaptometry

Diabetes Care - Eye Exam

Electro-oculography (EOG)

Electroretinography (ERG)

Eye Emergency Visit

Eye Surgery Consultation

Eye Surgery Follow Up

Eye Tumor Consultation

General Eye Consultation

General Eye Follow Up

Glaucoma Consultation

Glaucoma Follow Up

Gonioscopy

Lasik Surgery Consultation

Lasik Surgery Follow up

Lower Eyelid Bag Removal

Neuro-Ophthalmology Consultation

Neuro-Ophthalmology Follow Up

Non-Surgical Consultation

Ocular Oncology Consultation

Ocular Oncology Follow Up

Ocular Tumor Consultation

Oculoplastic Surgery Consultation

Oculoplastic Surgery Follow Up

Ophthalmic Pathology Evaluation

Ophthalmologic Electrophysiology Evaluation

Ophthalmoscopy

Orbital Disease Consultation

Orbital Disease Follow Up

Orbital Fracture/Trauma Consultation

Orthokeratology / Corneal Refractive Therapy

Pachymetry

Pediatric Eye Consultation

Pediatric Eye Follow Up

Perimetry

Refractive Surgery Consultation

Refractive Surgery Follow Up

Retina Consultation

Retina Follow Up

Retina Surgery Consultation

Retina Surgery Follow Up

Revisional Eyelid Surgery Consultation

Tonometry

Uveitis Consultation

Uveitis Follow Up

Vitreous Surgery Consultation

Vitreous Surgery Follow Up

Dr. Alfred Cossari, MD is an Ophthalmologist, who primarily practices in Port Jefferson, NY. He has been practicing for over 50 years and is board certified by the American Board of Ophthalmology. Dr. Cossari graduated from University degli Studi di Roma 'La Sapienza' Facolty di Farmacia e Medicina and completed his residency at Children'S Natl Med Ctr, Pediatric Ophthalmology; Johns Hopkins Univ Sch Med, Ophthalmology; Nassau Co Med Ctr, Ophthalmology; Nassau Co Med Ctr, General Surgery.
  
Dr. Cossari is fluent in English and Italian,  and is currently seeing new patients.  To book an appointment or to confirm insurance options, please call Dr. Cossari’s office at (631) 928-6400.

National Provider Identifier (NPI)

English

Italian

Pediatric Ophthalmologist and Strabismus Specialist

Humana Health 

Washington DC, DC

An orthopedic surgeon has specialization in preserving, investigating, and restoring the form and function of the extremities, spine, and related structures through medical, surgical, and physical methods. They care for patients with musculoskeletal issues, including congenital deformities, trauma, infections, tumors, metabolic disturbances, and degenerative diseases affecting the spine, hands, feet, knees, hips, shoulders, and elbows in both children and adults. Additionally, orthopedic surgeons address primary and secondary muscular problems and the impact of central or peripheral nervous system lesions on the musculoskeletal system.

An obstetrician/gynecologist has specialized knowledge, skills, and expertise in the medical and surgical management of the female reproductive system and related disorders. This physician acts as a consultant to other healthcare providers while also serving as a primary care physician for women, addressing their unique health needs throughout various stages of life.

Obstetrician / Gynecologist (OBGYN)

A pediatrician focuses on the physical, emotional, and social health of children from birth through young adulthood. Their care includes a wide range of health services, from preventive healthcare to diagnosing and treating acute and chronic diseases. Pediatricians consider the biological, social, and environmental influences on a child's development, as well as how diseases and dysfunctions can impact growth and overall development.


Dermatologists are medical professionals trained to diagnose and treat a wide range of skin conditions in both children and adults, including skin cancers, melanomas, and other tumors. They also manage disorders of the mouth, external genitalia, hair, and nails, and are skilled in treating conditions like dermatitis, allergic reactions, and skin manifestations of systemic diseases. Dermatologists receive specialized training in dermatopathology and dermatologic surgical techniques, and address cosmetic issues such as hair loss and scarring. Additionally, they use laboratory methods to diagnose immune-related skin disorders, often collaborating with immunohematologists for expert consultation and targeted therapies.

An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.

An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.

Dr. Alfred Cossari, MD

Ophthalmologist

Pediatric Ophthalmologist and Strabismus Specialist

50 Years of Experience

50 Years of Experience

Ratings & Reviews

Connect with DR. Cossari

311 Barnum Ave

Doctors by Category

Specialists

Addiction Medicine Specialist

Cardiologist

Dermatologist

Endocrinologist

Gastroenterologist

General Practitioner

OB/GYN

Ophthalmologist

Optometrist

Orthopedic Surgeon

Otolaryngologist

Pediatrician

Podiatrist

Psychiatrist / Neurologist

Urologist

Conditions

Carpal Tunnel

Cold Sores

Diverticulitis

Fibromyalgia

Hemorrhoids

Hypothyroidism

Impetigo

Kidney Stones

Pancreatitis

Preeclampsia

Sepsis

Tonsillitis

Ulcerative Colitis

Urinary Tract Infection

Vitiligo

Procedures

Annual Physical

Annual Skin Screening

Colonoscopy

Couples Therapy

Dermatology Consultation

Hypnosis

Knee Replacement Surgery

Laser Hair Removal

Lasik Surgery

Liposuction

Marriage Counseling

Nexplanon Insertion

Plastic Surgery

Psychotherapy

Tattoo Removal

Locations

Los Angeles, CA

San Diego, CA

San Francisco, CA

Washington, DC

Miami, FL

Atlanta, GA

Chicago, IL

Baltimore, MD

Boston, MA

New York, NY

Brooklyn, NY

Houston, TX

Dallas, TX

Philadelphia, PA

Saint Louis, MO

Insurances

CVS Health (formerly Aetna)

Florida Blue / Guidewell

Elevance Health (formerly Anthem)

Blue Cross Blue Shield (BCBS)

Cigna

Aflac