The 20 Best Vitamin B12 Deficiency Doctors Near Me in Ronkonkoma, NY

Find the Top Vitamin B12 Deficiency Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 168 doctor with experience in Vitamin B12 Deficiency near Ronkonkoma, NY. Of these, 149 are Experienced, 17 are Advanced and 2 are Distinguished.

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168 providers found
    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    North Shore Hematology Oncology Associates PC

    48 Route 25a, 
    Smithtown, NY 
     (4.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Sanjeev Jain is a Hematologist practicing medicine in Smithtown, New York. Dr. Jain is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Anemia, Blood Clots, Childhood Iron Deficiency Anemia, and Lung Cancer. Dr. Jain is board certified in American Board Of IM/Hematology and American Board Of IM/Medical Oncology.

    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology

    Endocrine Associates Of Long Island PC

    732 Smithtown Byp Ste 103, 
    Smithtown, NY 
     (5.6 miles away)
    Languages Spoken:
    English

    David Kugler is an Endocrinologist practicing medicine in Smithtown, New York. Dr. Kugler is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Type 2 Diabetes (T2D), Vitamin B12 Deficiency, and Milk-Alkali Syndrome.

    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    Distinguished in Vitamin B12 Deficiency
    Endocrinology
    6080 Jericho Turnpike, 
    Commack, NY 
     (9.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Edward Condon is an Endocrinologist practicing medicine in Commack, New York. Dr. Condon is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 58 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Polycystic Ovary Syndrome, Obesity in Children, and Infertility.

    Learn about our expert tiers
    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Anna M Mirski Primary Medical Care PLLC

    1690 Washington Ave Ste C, 
    Bohemia, NY 
     (2.1 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Adalbert Pilip is an Internal Medicine provider practicing medicine in Bohemia, New York. Dr. Pilip is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Peripheral Artery Disease, Arterial Insufficiency, Peroxisomal Acyl-CoA Oxidase Deficiency, and Carnitine-Acylcarnitine Translocase Deficiency.

    Experienced in Vitamin B12 Deficiency
    Hospital Medicine
    Experienced in Vitamin B12 Deficiency
    Hospital Medicine
    59 Southern Boulevard, 
    Nesconset, NY 
     (2.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Joanne Kechejian is a primary care provider, practicing in Hospital Medicine in Nesconset, New York. Dr. Kechejian is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 22 other conditions, according to our data. Her clinical expertise encompasses Subacute Combined Degeneration, Multiple Carboxylase Deficiency, Folate Deficiency, and Vitamin B12 Deficiency Anemia.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    Preferred Professional Medical Care PC

    3505 Veterans Memorial Hwy Ste C, 
    Ronkonkoma, NY 
     (0.7 miles away)
    Languages Spoken:
    English

    Wei Kao is a primary care provider, practicing in Internal Medicine in Ronkonkoma, New York. Dr. Kao is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 60 other conditions, according to our data. His clinical expertise encompasses Swallowing Difficulty, Painful Swallowing, Anemia, and Muscle Atrophy.

    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Office

    122 Portion Rd, 
    Ronkonkoma, NY 
     (1.6 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Ismail Ozcan is a Family Medicine provider practicing medicine in Ronkonkoma, New York. Dr. Ozcan is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Vitamin B12 Deficiency, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), and Folliculitis.

    Advanced in Vitamin B12 Deficiency
    Nurse Practitioner
    Advanced in Vitamin B12 Deficiency
    Nurse Practitioner

    Ismail Ozcan MD PC

    122 Portion Rd, 
    Ronkonkoma, NY 
     (1.6 miles away)
    Languages Spoken:
    English

    Turkan Ozcan is a Nurse Practitioner practicing medicine in Ronkonkoma, New York. Ms. Ozcan is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Vitamin B12 Deficiency, and Chronic Rhinosinusitis with Nasal Polyps (CRSwNP).

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    First Choice Medical PLLC

    203 Union Ave, 
    Holbrook, NY 
     (2.0 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Lawrence Goldman is a primary care provider, practicing in Internal Medicine in Holbrook, New York. Dr. Goldman is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol.

    Advanced in Vitamin B12 Deficiency
    Family Medicine
    Advanced in Vitamin B12 Deficiency
    Family Medicine

    Office

    1500 Ocean Ave Ste C, 
    Bohemia, NY 
     (2.1 miles away)
    Languages Spoken:
    English

    Sareth Pinnamaneni is a primary care provider, practicing in Family Medicine in Bohemia, New York. Dr. Pinnamaneni is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Lyme Disease, Hypothyroidism, Glossitis, and Pernicious Anemia.

    Advanced in Vitamin B12 Deficiency
    Gastroenterology
    Advanced in Vitamin B12 Deficiency
    Gastroenterology

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (3.8 miles away)
    Languages Spoken:
    English

    Augustus Mantia is a Gastroenterologist practicing medicine in Nesconset, New York. Dr. Mantia is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Vitamin D Deficiency, Vitamin B12 Deficiency, Ureteroscopy, and Endoscopy.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (3.8 miles away)
    Languages Spoken:
    English

    Andrew Radzik is a primary care provider, practicing in Internal Medicine in Nesconset, New York. Dr. Radzik is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Hypertension, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Low Sodium Level.

    Advanced in Vitamin B12 Deficiency
    Internal Medicine
    Advanced in Vitamin B12 Deficiency
    Internal Medicine

    North Shore Medical Group Of The Mount Sinai School Of Medicine

    59 Southern Blvd, 
    Nesconset, NY 
     (3.8 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Glenn Rosett is a primary care provider, practicing in Internal Medicine in Nesconset, New York. Dr. Rosett is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, Bronchitis, High Cholesterol, and Familial Hypertension.

    Advanced in Vitamin B12 Deficiency
    Endocrinology
    Advanced in Vitamin B12 Deficiency
    Endocrinology

    Endocrine Associates Of Long Island PC

    732 Smithtown Byp Ste 103, 
    Smithtown, NY 
     (5.6 miles away)
    Languages Spoken:
    English

    Michael Shanik is an Endocrinologist practicing medicine in Smithtown, New York. Dr. Shanik is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Thyroid Nodule, Hashimoto Thyroiditis, Type 2 Diabetes (T2D), and Adrenal Gland Adenoma.

    Experienced in Vitamin B12 Deficiency
    Endocrinology
    Experienced in Vitamin B12 Deficiency
    Endocrinology

    Northwell Health Physician Partners Diabetes & Endocrinology At Medford

    1723 North Ocean Avenue, Suite A, 
    Medford, NY 
     (7.5 miles away)
    Languages Spoken:
    English, Spanish
    Offers Telehealth

    Clara Lengyel is an Endocrinologist practicing medicine in Medford, New York. Dr. Lengyel is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Hypothyroidism, Type 2 Diabetes (T2D), Obesity in Children, and Type 1 Diabetes (T1D). Dr. Lengyel is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Endocrinology, Diabetes & Metabolism.

    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology | Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Hematology | Oncology | Internal Medicine

    Northwell Health Imbert Cancer Center

    440 East Main Street, 
    Bay Shore, NY 
     (7.8 miles away)
    Languages Spoken:
    English

    Kenneth D. Gold, MD joined Northwell Health Physician Partners and the Northwell Health Cancer Institute as an attending physician of the Department of Medicine.Kenneth D. Gold, MD graduated magna cum laude from Amherst College. He earned his medical degree at Baylor College of Medicine in Houston, Texas, and then trained in Internal Medicine at George Washington University, where he also served as Chief Medical Resident. His fellowship in Hematology and Medical Oncology was completed at Columbia Presbyterian Medical Center. Dr. Gold is board-certified in Internal medicine, Hematology and medical Oncology.Previously Chief of Hematology and Medical Oncology at Good Samaritan Hospital, West Islip, and an attending physician at Southside Hospital, Dr. Gold has been a leader in Suffolk County in the diagnosis and treatment of cancer and blood diseases since 1983. He served for many years as the Chair of the Transfusion Committees at both Good Samaritan Hospital Medical Center and Southside Hospital. Dr. Gold is a member of the American Society of Clinical Oncology. Dr. Gold is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 20 other conditions, according to our data. His clinical expertise encompasses ALK-Positive Non-Small Cell Lung Cancer, Multiple Myeloma, Anemia, and Muscle Invasive Bladder Cancer. Dr. Gold is board certified in American Board Of Internal Medicine, American Board Of Internal Medicine/Hematology, and American Board Of Internal Medicine/Medical Oncology.

    Experienced in Vitamin B12 Deficiency
    Internal Medicine
    Experienced in Vitamin B12 Deficiency
    Internal Medicine

    Preferred Professional Medical Care PC

    3505 Veterans Memorial Hwy Ste C, 
    Ronkonkoma, NY 
     (0.7 miles away)
    Languages Spoken:
    English

    Olga Kouruklis is a primary care provider, practicing in Internal Medicine in Ronkonkoma, New York. Dr. Kouruklis is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her clinical expertise encompasses Vitamin B12 Deficiency, Subacute Combined Degeneration, Tracheitis, and Vitamin D Deficiency.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Office

    601 Portion Rd Ste 2, 
    Lk Ronkonkoma, NY 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    Blessan Thomas is a primary care provider, practicing in Family Medicine in Lk Ronkonkoma, New York. Dr. Thomas is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 64 other conditions, according to our data. His clinical expertise encompasses High Cholesterol, Vitamin D Deficiency, Vitamin B12 Deficiency Anemia, and Folate Deficiency.

    Experienced in Vitamin B12 Deficiency
    Family Medicine
    Experienced in Vitamin B12 Deficiency
    Family Medicine

    Peter Taormino

    622 Hawkins Ave Ste 8, 
    Ronkonkoma, NY 
     (0.7 miles away)
    Languages Spoken:
    English

    Andrea Nomberg is a primary care provider, practicing in Family Medicine in Ronkonkoma, New York. Dr. Nomberg is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses High Cholesterol, Benign Paroxysmal Positional Vertigo, Atrial Septal Defect (ASD), and Patent Foramen Ovale.

    Experienced in Vitamin B12 Deficiency
    Hematology
    Experienced in Vitamin B12 Deficiency
    Hematology

    North Shore Hematology Oncology Associates PC

    501 Hawkins Ave, 
    Lk Ronkonkoma, NY 
     (0.7 miles away)
    Languages Spoken:
    English
    Offers Telehealth

    David Chu is a Hematologist practicing medicine in Lk Ronkonkoma, New York. Dr. Chu is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. He is also highly rated in 54 other conditions, according to our data. His clinical expertise encompasses Blood Clots, Anemia, Lung Cancer, and Thrombocytopenia.

    Showing 1-20 of 168

    Last Updated: 04/28/2026