Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Krims, Gastroenterologist in Acton, MA?
Dr. Peter Krims, MD is a Gastroenterologist, who primarily practices in Acton, MA. He is board certified. Dr. Krims graduated from Boston University School of Medicine and completed his residency at Univ Ca San Diego Med Ctr, Gastroenterology; Boston City Hosp, Internal Medicine. Dr. Krims is fluent in English, French, and Spanish, and is currently seeing new patients. Dr. Krims’s practice accepts Medicaid, Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Krims’s office.
Where did Dr. Krims go to medical school and complete their residency?
Residency: Univ Ca San Diego Med Ctr, Gastroenterology; Boston City Hosp, Internal Medicine | Boston Medical Center | University of California, San Diego (UCSD) Affiliated Hospitals | UCSD-Kaiser San Diego
Medical School: Boston Univ Sch of Med, Boston Ma | Boston University School of Medicine
Is Dr. Krims board certified as a Gastroenterologist?
Yes, Dr. Peter Krims, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Krims speak?
Dr. Krims and their clinical team can communicate with patients in the following languages:
English
French
Spanish
What conditions does a Gastroenterologist like Dr. Krims typically treat?
As a Gastroenterologist, Dr. Krims 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. Krims. 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:
- Ulcerative Colitis
- Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Colitis
ICD-10 Codes:
- K5190: Ulcerative colitis, unspecified, without complications
Also known as:
- Crohn's Disease
- Crohn’s Disease
- Regional Enteritis
- Inflammatory Bowel Disease (IBD)
- Terminal Ileitis
ICD-10 Codes:
- K5090: Crohn's disease, unspecified, without complications
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:
- 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
What procedures does a Gastroenterologist like Dr. Krims typically perform?
As a Gastroenterologist, Dr. Krims 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. Krims. 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:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 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:
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy with Injections
- EGD with Esophageal Balloon Dilation
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
Also known as:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Krims accept my insurance?
Dr. Krims 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. Krims accept in Acton, MA?
Dr. Krims in Acton, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Massachusetts
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Guidewell Mutual Holding Corporation
Mass General Brigham
Medicare
Point32Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Krims' office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
Awards
Gastrointestinal Endoscopy
What is Dr. Krims's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Krims's National Provider Identifier (NPI) number is 1962400366.
What common questions do patients ask about Dr. Krims?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Krims
What is Dr. Peter Krims's specialty?
Dr. Krims is a Gastroenterologist near Acton, MA.
What does a Gastroenterologist do?
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.
Is this Dr. Peter Krims affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Krims is affiliated with Emerson Health, Massachusetts General 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 a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. 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 Peter Krims accepting new patients in Acton, MA?
Yes, Dr. Peter Krims is accepting new patients at this time.
Does Dr. Peter Krims offer online booking?
Please contact Dr. Krims's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Peter Krims?
Please contact Dr. Krims's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Peter Krims have?
Dr. Peter Krims is certified by the American Board of Internal Medicine.
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Connect with DR. Krims
45B Discovery Way
Acton, MA 01720