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Dr. Michael Mills, MD

Dr. Michael Mills, MD

Phoenix, AZ

28 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mills, Gastroenterologist in Phoenix, AZ?

    Dr. Michael Mills, MD is a Gastroenterologist, who primarily practices in Phoenix, AZ with 2 additional practice locations. He has been practicing for over 28 years and is board certified. Dr. Mills graduated from Tulane Univ School of Medicine and completed his residency at Good Samaritan Reg Med Ctr, Gastroenterology; Univ Of Co Sch Of Med, Internal Medicine. Dr. Mills is fluent in English and Spanish, and is currently seeing new patients. Dr. Mills’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mills’s office at (602) 266-5678.

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

    • Residency: Good Samaritan Reg Med Ctr, Gastroenterology; Univ Of Co Sch Of Med, Internal Medicine | University of Colorado Program A

    • Medical School: Tulane Univ Sch of Med, New Orleans La | Tulane Univ School of Medicine

    Is Dr. Mills board certified as a Gastroenterologist?

    Yes, Dr. Michael Mills, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Mills speak?

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

    • English

    • Spanish

    What conditions does a Gastroenterologist like Dr. Mills typically treat?

    As a Gastroenterologist, Dr. Mills 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. Mills. 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 here.

    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

    Also known as:

    • Difficulty Swallowing
    • Swallowing Disorder
    • Dysphagia
    • Trouble swallowing
    • Painful swallowing

    ICD-10 Codes:

    • R1310: Dysphagia, unspecified

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Also known as:

    • Diarrhea
    • Loose stools
    • Runny poop
    • Frequent bowel movements

    ICD-10 Codes:

    • R197: Diarrhea, unspecified

    What procedures does a Gastroenterologist like Dr. Mills typically perform?

    As a Gastroenterologist, Dr. Mills 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. Mills. 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 here.

    Also known as:

    • Colonoscopy with Polyp Removal
    • Colonoscopy with Biopsy
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 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
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    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
    • Esophagus Widening Procedure (Endoscopic)
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening

    CPT Codes:

    • 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:

    • Wireless Esophageal pH Test
    • Esophageal pH Test
    • Bravo pH Test
    • Esophageal Reflux Monitoring
    • Acid Reflux Test

    CPT Codes:

    • 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation

    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. Mills accept my insurance?

    Dr. Mills accepts most major insurance plans. Important: Please call our office at (602) 266-5678 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mills accept in Phoenix, AZ?

    Dr. Mills in Phoenix, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Capital Blue Cross

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Humana

    • Medicare

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Mills' office located?

    Dr. Michael Mills' Primary Practice

    349 E Coronado Rd

    Phoenix, AZ 85004

    (602) 266-5678

    Get Directions

    Dr. Michael Mills' Practice 2

    1441 N 12th St Fl 23

    Phoenix, AZ 85006

    Get Directions

    Dr. Michael Mills' Practice 3

    9305 W Thomas Rd Ste 370

    Phoenix, AZ 85037

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

    Dr. Mills's National Provider Identifier (NPI) number is 1811948359.

    What common questions do patients ask about Dr. Mills?

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

    What is Dr. Michael Mills's specialty?

    Dr. Mills is a Gastroenterologist near Phoenix, AZ.

    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. Michael Mills affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mills is affiliated with Banner - University Medical Center Phoenix, Banner Boswell Medical Center, Banner Gateway Medical Center, Honorhealth John C. Lincoln Medical Center, Banner Thunderbird Medical Center, Banner Del E. Webb 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 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 Michael Mills accepting new patients in Phoenix, AZ?

    Yes, Dr. Michael Mills is accepting new patients at this time.

    Does Dr. Michael Mills offer online booking?

    Please contact Dr. Mills's office at (602) 266-5678 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Michael Mills?

    Please contact Dr. Mills's office at (602) 266-5678 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Michael Mills have?

    Dr. Michael Mills is certified by the American Board of Internal Medicine.

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>