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Dr. Peter Mazolewski, MD

Surgeon, Specialist

Walnut Creek, CA

25 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mazolewski, Surgeon in Walnut Creek, CA?

    Dr. Peter Mazolewski, MD is a Surgeon, who primarily practices in Walnut Creek, CA with 2 additional practice locations. He has been practicing for over 25 years and is board certified. Dr. Mazolewski graduated from Keck School of Medicine of the University of Southern California and completed his residency at Univ Of Nv Sch Of Med, General Surgery. Dr. Mazolewski is fluent in English and Spanish, and is currently seeing new patients. Dr. Mazolewski’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mazolewski’s office at (925) 932-6330.

    Where did Dr. Mazolewski go to medical school and complete their residency?

    • Residency: Univ Of Nv Sch Of Med, General Surgery | University of Nevada School of Medicine Program

    • Medical School: University of Southern Ca Sch of Med, Los Angeles Ca | Keck School of Medicine of the University of Southern California

    Is Dr. Mazolewski board certified as a Surgeon?

    Yes, Dr. Peter Mazolewski, MD is board certified by the American Board of Surgery

    What languages does Dr. Mazolewski speak?

    Dr. Mazolewski and their clinical team can communicate with patients in the following languages:

    • English
    • Spanish

    What conditions does a Surgeon like Dr. Mazolewski typically treat?

    As a Surgeon, Dr. Mazolewski 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. Mazolewski. 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:

    • Acute Appendicitis with Localized Abdominal Infection
    • Acute Appendicitis
    • Appendicitis
    • Peritoneal Disorder
    • Appendicitis with Local Peritonitis
    • Localized Abdominal Infection from Appendix
    • Early Appendicitis with Infection
    • Inflamed Appendix
    • Sudden Appendix Inflammation
    • Appendicitis Attack

    ICD-10 Codes:

    • K3530: Acute appendicitis with localized peritonitis, without perforation or gangrene
    • K3580: Unspecified acute appendicitis

    Also known as:

    • Intestinal Obstruction
    • Bowel Obstruction
    • Blocked Intestines
    • Gut Blockage

    ICD-10 Codes:

    • K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction

    Also known as:

    • Acute Gallbladder Inflammation
    • Gallbladder Disease
    • Sudden Gallbladder Attack
    • Acute Cholecystitis
    • Sudden Gallbladder Infection

    ICD-10 Codes:

    • K810: Acute cholecystitis

    What procedures does a Surgeon like Dr. Mazolewski typically perform?

    As a Surgeon, Dr. Mazolewski 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. Mazolewski. 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:

    • Laparoscopic Gallbladder Removal
    • Keyhole Gallbladder Surgery
    • Cholecystectomy Laparoscopic
    • Minimally Invasive Gallbladder Surgery

    CPT Codes:

    • 47562: Laparoscopy, surgical; cholecystectomy

    Also known as:

    • Inguinal Hernia Repair (Adults and Children 5+)
    • Groin Hernia Surgery
    • Reducible Inguinal Hernia Repair
    • First Inguinal Hernia Fix
    • Adult Inguinal Hernia Surgery

    CPT Codes:

    • 49505: Repair initial inguinal hernia, age 5 years or older; reducible

    Also known as:

    • Laparoscopic Appendectomy
    • Minimally Invasive Appendectomy
    • Keyhole Appendectomy
    • Scope Appendectomy

    CPT Codes:

    • 44970: Laparoscopy, surgical, appendectomy

    Also known as:

    • Emergency Abdominal Hernia Repair with Mesh
    • Incarcerated Hernia Repair
    • Strangulated Hernia Surgery
    • Ventral Hernia Repair with Mesh
    • Umbilical Hernia Repair

    CPT Codes:

    • 49594: Repair of anterior abdominal hernia(s) (ie, epigastric, incisional, ventral, umbilical, spigelian), any approach (ie, open, laparoscopic, robotic), initial, including implantation of mesh or other prosthesis when performed, total length of defect(s); 3 cm to 10 cm, incarcerated or strangulated

    Does Dr. Mazolewski accept my insurance?

    Dr. Mazolewski accepts most major insurance plans. Important: Please call our office at (925) 932-6330 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mazolewski accept in Walnut Creek, CA?

    Dr. Mazolewski in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Shield of California

    • Centene Corporation

    • Contra Costa

    • CVS Health (formerly Aetna)

    • Hill Physicians Medical Group

    • Medicaid

    • Medicare

    • Molina Healthcare

    • Other Health Care Provider

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Mazolewski's office located?

    Dr. Peter Mazolewski's Primary Practice

    1601 Ygnacio Valley Rd Ste 100

    Walnut Creek, CA 94598

    (925) 932-6330

    Get Directions

    Dr. Peter Mazolewski's Practice 2

    5601 Norris Canyon Rd Ste 100

    San Ramon, CA 94583

    Get Directions

    Dr. Peter Mazolewski's Practice 3

    2637 Shadelands Dr

    Walnut Creek, CA 94598

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    What is Dr. Mazolewski's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Mazolewski's National Provider Identifier (NPI) number is 1710076773.

    What common questions do patients ask about Dr. Mazolewski?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mazolewski

    What is Dr. Peter Mazolewski's specialty?

    Dr. Mazolewski is a Surgeon near Walnut Creek, CA.

    What does a Surgeon do?

    General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery.

    Is Dr. Peter Mazolewski affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mazolewski is affiliated with John Muir Health Concord Medical Center, John Muir Health Walnut Creek Medical Center 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 Surgeon?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Surgeon. 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 Dr. Peter Mazolewski accepting new patients in Walnut Creek, CA?

    Yes, Dr. Peter Mazolewski is accepting new patients at this time.

    Does Dr. Peter Mazolewski offer online booking?

    Please contact Dr. Mazolewski's office at (925) 932-6330 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Peter Mazolewski?

    Please contact Dr. Mazolewski's office at (925) 932-6330 to schedule an appointment.

    Where is Dr. Mazolewski's office located?

    Dr. Mazolewski's offices are located in Walnut Creek, CA and San Ramon, CA.

    Which board certifications does Dr. Peter Mazolewski have?

    Dr. Peter Mazolewski is certified by the American Board of Surgery.