SL
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Lewin, Internist in San Francisco, CA?
Dr. Sara Lewin, MD is an Internist, who primarily practices in San Francisco, CA with 1 additional practice location. Dr. Lewin is fluent in English, and is currently seeing new patients. Dr. Lewin’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lewin’s office.
What languages does Dr. Lewin speak?
Dr. Lewin and their clinical team can communicate with patients in the following languages:
English
What conditions does an Internist like Dr. Lewin typically treat?
As an Internist, Dr. Lewin diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Lewin. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
- Colitis
- Chronic Colitis
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
- K51918: Ulcerative colitis, unspecified with other complication
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Non-Infectious Gastroenteritis and Colitis
- Digestive Disease
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Irritable Bowel Syndrome with Diarrhea
- Irritable Bowel Syndrome
- Irritable Bowel Syndrome (IBS)
- IBS-D
- Diarrhea-Predominant IBS
- Spastic Colon with Diarrhea
ICD-10 Codes:
- K580: Irritable bowel syndrome with diarrhea
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
What procedures does an Internist like Dr. Lewin typically perform?
As an Internist, Dr. Lewin performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Lewin. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Flexible Sigmoidoscopy with Biopsy
- Diagnostic Upper Endoscopy with Biopsy
- Esophagus Widening Procedure (Endoscopic)
- Colorectal Cancer Screening Tests
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Esophageal Dilation
- EGD with Dilation
- Upper Endoscopy with Widening
CPT Codes:
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Does Dr. Lewin accept my insurance?
Dr. Lewin accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Lewin accept in San Francisco, CA?
Dr. Lewin in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene Corporation
Community Health Network of Washington
Conifer Health Solutions
Health Plan of San Joaquin
Hill Physicians Medical Group
Medicare
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Lewin's office located?
What is Dr. Lewin's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Lewin's National Provider Identifier (NPI) number is 1558627059.
What common questions do patients ask about Dr. Lewin?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lewin
What is Dr. Sara Lewin's specialty?
Dr. Lewin is a Internist near San Francisco, CA.
What does an Internist do?
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Is this Dr. Sara Lewin affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Lewin is affiliated with Ucsf Medical Center At Parnassus, Sutter Medical Center, Sacramento, John Muir Health Walnut Creek Medical Center, Mills-Peninsula Medical Center, Ucsf Health St. Mary's Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Internist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Internist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Sara Lewin accepting new patients in San Francisco, CA?
Yes, Dr. Sara Lewin is accepting new patients at this time.
Does Dr. Sara Lewin offer online booking?
Please contact Dr. Lewin's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Sara Lewin?
Please contact Dr. Lewin's office for information regarding telehealth appointment availability or for scheduling assistance.
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