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Dr. Thomas On, MD

Phoenix, AZ

Accepting patients

    Who is Dr. On, Anesthesiologist in Phoenix, AZ?

    Dr. Thomas On, MD is an Anesthesiologist, who primarily practices in Phoenix, AZ with 2 additional practice locations. He is board certified by the American Board of Anesthesiology. Dr. On completed his residency at Univ Of Mi Hosps, Anesthesiology West Suburban Hosp Med Ctr, Flexible Or Transitional Year. Dr. On is fluent in English, and is currently seeing new patients. Dr. On’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. On’s office at (602) 200-9021.

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

    • Residency: Univ Of Mi Hosps, Anesthesiology West Suburban Hosp Med Ctr, Flexible Or Transitional Year

    • Medical School: Loyola Univ of Chicago Stritch Sch of Med, Maywood Il

    Is Dr. On board certified in Anesthesiologist?

    Yes, Dr. Thomas On, MD is board certified by the American Board of Anesthesiology

    What languages does Dr. On speak?

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

    • English

    What conditions does Dr. On treat?

    As a Anesthesiologist, Dr. On 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. On. 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.

    Also known as:

    • Acute pain after medical procedure
    • Pain
    • Acute post-operative pain
    • Pain after surgery
    • Post-procedural pain

    ICD-10 Codes:

    • G8918: Other acute postprocedural pain

    Also known as:

    • Enlarged Tonsils and Adenoids
    • Chronic Tonsillitis and Adenoiditis
    • Adenoids
    • Tonsillitis
    • Tonsil and adenoid hypertrophy
    • Swollen tonsils and adenoids
    • Big tonsils and adenoids
    • Persistent tonsil and adenoid infection
    • Long-term tonsil and adenoid inflammation
    • Recurrent tonsil and adenoid issues

    ICD-10 Codes:

    • J353: Hypertrophy of tonsils with hypertrophy of adenoids
    • J3503: Chronic tonsillitis and adenoiditis

    Also known as:

    • Deviated Septum
    • Nose Injuries and Disorder
    • Crooked nose septum
    • Nasal blockage
    • Septal deviation

    ICD-10 Codes:

    • J342: Deviated nasal septum

    Also known as:

    • Osteoarthritis of the left knee
    • Primary Osteoarthritis in Right Knee
    • Osteoarthritis of the left shoulder
    • Osteoarthritis of the right shoulder
    • Osteoarthritis
    • Degenerative joint disease
    • Wear-and-tear arthritis
    • Arthrosis
    • Joint degeneration
    • Right Knee Arthritis
    • Right Knee Degenerative Joint Disease

    ICD-10 Codes:

    • M1712: Unilateral primary osteoarthritis, left knee
    • M1711: Unilateral primary osteoarthritis, right knee
    • M19012: Primary osteoarthritis, left shoulder
    • M19011: Primary osteoarthritis, right shoulder

    Also known as:

    • Other tear of the medial meniscus in the right knee
    • Other tear of the medial meniscus in the left knee
    • Cartilage Disorder
    • Knee Injuries and Disorder
    • Torn meniscus
    • Knee cartilage tear
    • Meniscal injury
    • Torn knee cartilage

    ICD-10 Codes:

    • S83241A: Other tear of medial meniscus, current injury, right knee, initial encounter
    • S83242A: Other tear of medial meniscus, current injury, left knee, initial encounter

    Also known as:

    • Right Rotator Cuff Tear
    • Left Rotator Cuff Tear
    • Complete Rotator Cuff Tear
    • Rotator Cuff Injuries
    • Right rotator cuff rupture
    • Right shoulder tendon tear
    • Right shoulder muscle tear
    • Left rotator cuff rupture
    • Left shoulder tendon tear
    • Left shoulder muscle tear
    • Full Rotator Cuff Tear
    • Complete Rotator Cuff Rupture
    • Severed Shoulder Tendon

    ICD-10 Codes:

    • M75101: Unspecified rotator cuff tear or rupture of right shoulder, not specified as traumatic
    • M75102: Unspecified rotator cuff tear or rupture of left shoulder, not specified as traumatic
    • M75121: Complete rotator cuff tear or rupture of right shoulder, not specified as traumatic

    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:

    • Chronic Tonsillitis
    • Tonsillitis
    • Persistent tonsil infection
    • Long-term tonsil inflammation
    • Recurrent tonsillitis

    ICD-10 Codes:

    • J3501: Chronic tonsillitis

    Also known as:

    • Obstructive Sleep Apnea
    • Sleep Apnea
    • Obstructive sleep apnea
    • OSA
    • Blocked airway during sleep
    • Snoring and gasping during sleep

    ICD-10 Codes:

    • G4733: Obstructive sleep apnea (adult) (pediatric)

    Also known as:

    • Depression
    • Clinical depression
    • Major depressive disorder
    • Mood disorder

    ICD-10 Codes:

    • F32A: Depression, unspecified

    Also known as:

    • Nose and Sinus Disorder
    • Nose Injuries and Disorder
    • Nasal problems
    • Sinus problems
    • Nose and sinus conditions

    ICD-10 Codes:

    • J3489: Other specified disorders of nose and nasal sinuses

    Also known as:

    • Enlarged Adenoids
    • Adenoids
    • Adenoid hypertrophy
    • Swollen adenoids
    • Big adenoids

    ICD-10 Codes:

    • J352: Hypertrophy of adenoids

    Also known as:

    • Chronic Sinusitis
    • Sinusitis
    • Chronic sinus infection
    • Long-term sinus problems
    • Persistent sinus inflammation

    ICD-10 Codes:

    • J329: Chronic sinusitis, unspecified

    Does Dr. On accept my insurance?

    Dr. On accepts most major insurance plans. Important: Please call our office at (602) 200-9021 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Blue Cross Blue Shield of Arizona

    • Centene

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Express Scripts

    • Medicare

    • Mercy Care Plan

    • Mercy Maricopa Integrated Care

    • OptumRx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. On's office located?

    Dr. Thomas On's Primary Practice

    4605 E Elwood St Ste 500

    Phoenix, AZ 85040

    (602) 200-9021

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    Dr. Thomas On's Practice 2

    8901 E Raintree Dr Ste 100

    Scottsdale, AZ 85260

    (602) 200-9021

    Get Directions

    Dr. Thomas On's Practice 3

    77 E Columbus Ave Ste 201

    Phoenix, AZ 85012

    Get Directions

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

    Dr. On's National Provider Identifier (NPI) number is 1831166685.

    What common questions do patients ask about Dr. On?

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

    What is Dr. Thomas On's specialty?

    Dr. On is a Anesthesiologist near Phoenix, AZ. A physician specialist in pain management and maintaining or restoring a stable state during and right after surgical, obstetric, or diagnostic operations is known as an anesthesiologist. This specialist assesses each patient's risk of surgery and tries to improve their condition before to, during, and following the procedure. Anesthesiologists provide medical management, pain management, and critical care consults in addition to these vital management responsibilities. They are responsible for managing patients with severe illnesses or injuries, supervising the recovery period following anesthesia, directing resuscitation efforts for patients experiencing cardiac or respiratory emergencies that may require artificial ventilation, and diagnosing and treating both acute and chronic pain, including pain related to cancer. Contact Dr. On to book an appointment today.

    Is this Dr. Thomas On affiliated with a ranked Castle Connolly Top Hospital?

    No, On is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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

    Where can I learn more about Anesthesiologist?

    Explore Anesthesiologist with 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 Thomas On accepting new patients in Phoenix, AZ?

    Yes, Dr. Thomas On is accepting new patients at this time.

    Does Dr. Thomas On offer online booking?

    Please contact Dr. On's office at (602) 200-9021 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Thomas On?

    Please contact Dr. On's office at (602) 200-9021 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Thomas On have?

    Dr. Thomas On is certified by the American Board of Anesthesiology.

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