Dr. Matthew S Loewenstein, MD



Internal Medicine   -  Massachusetts,  Cambridge

 Overview

Dr. Matthew S Loewenstein, MD works in Cambridge, Massachusetts is a specialist in Internal Medicine, Gastroenterology and graduated Boston City Hospital in 1968. Dr. Loewenstein is affiliated with Cambridge Hospital Alliance - Cambridge Hosptial, Mount Auburn Hospital and practicing for 56 years

 Specialties

  • Internal Medicine
  • Gastroenterology

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Blood Cancer
• Chronic Pain Management
• Cirrhosis
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Dystonia 7, Torsion
• Endophthalmitis
  ...
• Ethmoidectomy (Sinus Surgery)
• Female Pelvic Disorders
• Guar Gum Allergy
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Maxillary and Malar Fractures
• Minimally Invasive Resection of Mediastinal Tumor
• Optic Ataxia
• Orbital Lymphoma
• Pinkeye (Conjunctivitis)
• Polycystic Ovarian Syndrome
• Primary Progressive Multiple Sclerosis
• Pterygium
• Radical Retropubic Prostate Removal
• Renal Artery Stenosis (RAS)
• Restylane® Injections
• Retinal Laser Photocoagulation
• Retinal Testing
• Retrograde Pyetograms
• Scrambler Therapy (ST5)
• Screening Colonoscopy
• Septal Perforation Repair
• Shoulder Arthroscopy
• Stomach Surgery
• Throat Culture
• Throat Swab
• Thromboendarterectomy or Excision of Infected Graft
• Tonsillitis
• Vaginal Cancer
• Vulvar Cancer
 more details

 Procedures

• Abdominal Pain
• Anemia
• Barrett's Esophagus
• Benign Neoplasm of the Digestive System
• Cholecystitis and Gallstones
• Cirrhosis
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
  ...
• Diverticulitis, Intestinal
• Diverticulosis, Intestinal
• Diverticulum of Esophagus
• Duodenal Ulcer
• Duodenitis
• Dysentery
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• Esophageal Ulcer
• Esophageal Varices
• Esophagitis
• Fecal Impaction Removal
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastrointestinal Malabsorption
• Gastrojejunal Ulcer
• Gastroparesis
• Hemochromatosis
• Hemorrhoids
• Hepatitis C
• Ileus
• Intestinal Obstruction
• Lactose Intolerance
• Liver Biopsy
• Malnutrition
• Megacolon
• Pancreatitis
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Ulcerative Colitis
• Unexplained Weight Loss
• Vomiting Disorders
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 56

 State License

  • Massachusetts

 Education & Training

Internship Hospital

Boston City Hospital

Boston, MA, USA

Year completed: 1968

Medical School

Harvard Medical School

Boston, MA, United States

Graduated: 1967

 Awards

1   AGA
2   ASGE
3   N Eng Endo S
4   N England Endocrinology Society

 Dr. Loewenstein Reviews

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 Office Locations


Primary location

 Cambridge Gastroenterology
300 Mount Auburn Street Suite 507
Massachusetts (MA)
Cambridge
2138
 Phone:(617) 876-5674

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Cambridge Gastroenterology, 300 Mount Auburn Street Suite 507, Cambridge, Massachusetts (MA), 2138




 Insurances Accepted (check insurance plans)

  • Aetna
  • Aetna HMO
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Blue with Managed Care Behavioral Health HMO
  • BlueConnect HMO
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna HMO
  • Cigna PPO
  • Commercial Insurance Company
  • Fallon Community Health Plan
  • Great West Healthcare-Cigna PPO
  • Health Net
  • Humana
  • LocalPlus
  • Medicare
  • Medicare Advantage PFFS
  • Medicare MCR
  • MultiPlan
  • MultiPlan PPO
  • Navigate HMO
  • Navigate POS
  • Neighborhood Health Plan
  • Open Access Plus
  • Options PPO
  • PHCS Network PPO
  • Preferred Blue PPO
  • Simplifi
  • Tufts Health Plan
  • Tufts Health Plans
  • Tufts PPO
  • United Healthcare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Matthew S Loewenstein, MD are not present.

 Patients Questions

Patients questions for Dr. Matthew S Loewenstein, MD are not present.

 Affiliated Hospitals


Cambridge Hospital Alliance - Cambridge Hosptial photo


Cambridge Hospital Alliance - Cambridge Hosptial

1493 Cambridge Street Massachusetts MA, Cambridge, 2139

Cambridge Hospital Alliance - Cambridge Hosptial is a Local Government owned hospital located in Cambridge, MA. This hospital reports jointly with Somerville Hospital. Therefore the ratings and awards apply to multiple hospitals and this specific hospital may not provide all rated services. Procedur...



Mount Auburn Hospital photo


Mount Auburn Hospital

330 Mount Auburn Street Massachusetts MA, Cambridge, 2138

Mount Auburn Hospital is a hospital located in Cambridge, MA. Procedures/Diagnosis costs are above the state average in 8 of 12 procedures. Length of Stay is at the state average in 11 of 12 procedures.



  •  Latest reviews for Internal Medicine specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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