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Dr. Dian Feng, MD, PHD

Rockford, IL

Accepting patients

    Who is Dr. Feng, Anatomic Pathologist & Clinical Pathologist in Rockford, IL?

    Dr. Dian Feng, MD, PHD is an Anatomic Pathologist & Clinical Pathologist, who primarily practices in Rockford, IL with 2 additional practice locations. She is board certified by the American Board of Pathology. Dr. Feng is fluent in English, and is currently seeing new patients. Dr. Feng’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Feng’s office.

    Is Dr. Feng board certified in Anatomic Pathologist & Clinical Pathologist?

    Yes, Dr. Dian Feng, MD, PHD is board certified by the American Board of Pathology

    What languages does Dr. Feng speak?

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

    • English

    What conditions does Dr. Feng treat?

    As a Anatomic Pathologist & Clinical Pathologist, Dr. Feng 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. Feng. 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:

    • Gallstones with Chronic Gallbladder Inflammation
    • Gallstones with Acute and Chronic Gallbladder Inflammation
    • Gallstones with Acute Gallbladder Inflammation
    • Bile Duct Disease
    • Gallstones
    • Chronic cholecystitis with gallstones
    • Long-term gallbladder inflammation
    • Mixed cholecystitis with gallstones
    • Acute and chronic gallbladder attack
    • Acute cholecystitis with gallstones
    • Gallbladder attack with stones

    ICD-10 Codes:

    • K8010: Calculus of gallbladder with chronic cholecystitis without obstruction
    • K8012: Calculus of gallbladder with acute and chronic cholecystitis without obstruction
    • K8000: Calculus of gallbladder with acute cholecystitis without obstruction

    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:

    • Sepsis
    • Blood Poisoning
    • Septicemia
    • Systemic Bacterial Infection

    ICD-10 Codes:

    • A419: Sepsis, unspecified organism

    Also known as:

    • Heart Failure
    • Worsening Chronic Diastolic Heart Failure
    • Congestive Heart Failure
    • CHF
    • Cardiac Insufficiency
    • Acute Decompensated HFpEF
    • Sudden Worsening Diastolic Heart Failure
    • Acute on Chronic Filling Heart Failure

    ICD-10 Codes:

    • I509: Heart failure, unspecified
    • I5033: Acute on chronic diastolic (congestive) heart failure

    Also known as:

    • Chronic Stomach Inflammation
    • Stomach Disorder
    • Gastritis & Gastropathy
    • Chronic gastritis
    • Long-term stomach inflammation
    • Persistent stomach lining inflammation

    ICD-10 Codes:

    • K2950: Unspecified chronic gastritis without bleeding

    Also known as:

    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ®)
    • Prostatic Carcinoma
    • Prostate Gland Cancer
    • Malignant Prostate Tumor

    ICD-10 Codes:

    • C61: Malignant neoplasm of prostate

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation

    Also known as:

    • Pleural Effusion
    • Pleural Disorder
    • Fluid in lungs
    • Water on the lung
    • Fluid around lungs

    ICD-10 Codes:

    • J90: Pleural effusion, not elsewhere classified

    Also known as:

    • Uterine Fibroids
    • Leiomyoma
    • Fibromyoma
    • Myoma
    • Uterine growth

    ICD-10 Codes:

    • D259: Leiomyoma of uterus, unspecified

    Also known as:

    • Benign Left Breast Tumor
    • Benign Tumor
    • Breast Disease
    • Non-cancerous left breast growth
    • Left breast mass
    • Left breast lump

    ICD-10 Codes:

    • D242: Benign neoplasm of left breast

    Also known as:

    • Abnormal Cells in Lung Samples
    • Atypical Lung Cells
    • Lung Cytology Abnormal
    • Cell Changes in Respiratory Samples

    ICD-10 Codes:

    • R846: Abnormal cytological findings in specimens from respiratory organs and thorax

    Also known as:

    • Benign Breast Lump
    • Benign Tumor
    • Breast Disease
    • Non-cancerous breast mass
    • Breast fibroadenoma
    • Benign breast disease

    ICD-10 Codes:

    • D241: Benign neoplasm of right breast

    Also known as:

    • Single Nontoxic Thyroid Nodule
    • Thyroid Disease
    • Benign Thyroid Nodule
    • Solitary Thyroid Nodule

    ICD-10 Codes:

    • E041: Nontoxic single thyroid nodule

    Also known as:

    • Enlarged Prostate with Urinary Symptoms
    • Enlarged Prostate (BPH)
    • Enlarged Prostate (Benign Prostatic Hyperplasia)
    • BPH with LUTS
    • Prostate enlargement with urinary issues
    • Benign prostatic hyperplasia with urinary symptoms

    ICD-10 Codes:

    • N401: Benign prostatic hyperplasia with lower urinary tract symptoms

    Also known as:

    • Pneumonia
    • Lung Infection
    • Chest Infection
    • Pneumonitis

    ICD-10 Codes:

    • J189: Pneumonia, unspecified organism

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories

    Does Dr. Feng accept my insurance?

    Dr. Feng 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. Feng accept in Rockford, IL?

    Dr. Feng in Rockford, IL 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

    • CVS Health (formerly Aetna)

    • Department of Veterans Affairs

    • Express Scripts

    • Florida Blue / Guidewell

    • Humana

    • Medicare

    • Other Health Care Provider

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Feng's office located?

    Dr. Dian Feng's Primary Practice

    5666 E State St

    Rockford, IL 61108

    Get Directions

    Dr. Dian Feng's Practice 2

    1431 SW 1st Ave

    Ocala, FL 34471

    Get Directions

    Dr. Dian Feng's Practice 3

    1000 36th St Ste 2234

    Vero Beach, FL 32960

    Get Directions

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

    Dr. Feng's National Provider Identifier (NPI) number is 1710145453.

    What common questions do patients ask about Dr. Feng?

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

    What is Dr. Dian Feng's specialty?

    Dr. Feng is a Anatomic Pathologist & Clinical Pathologist near Rockford, IL. A pathologist focuses on the causes and nature of diseases, contributing to diagnosis, prognosis, and treatment by applying knowledge from biological, chemical, and physical sciences in the laboratory. They utilize microscopic examinations of tissue specimens, cells, and body fluids, along with clinical laboratory tests on fluids and secretions, to diagnose, exclude, or monitor diseases. Contact Dr. Feng to book an appointment today.

    Is this Dr. Dian Feng affiliated with a ranked Castle Connolly Top Hospital?

    No, Feng is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Cleveland Clinic Indian River 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 Anatomic Pathologist & Clinical Pathologist?

    Explore Anatomic Pathologist & Clinical Pathologist 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 Dian Feng accepting new patients in Rockford, IL?

    Yes, Dr. Dian Feng is accepting new patients at this time.

    Does Dr. Dian Feng offer online booking?

    Please contact Dr. Feng's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dian Feng?

    Please contact Dr. Feng's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Dian Feng have?

    Dr. Dian Feng is certified by the American Board of Pathology.

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