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Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mao, Surgical Oncologist in Orange, CA?
Dr. Melissa Mao, MD is a Surgical Oncologist, who primarily practices in Orange, CA with 1 additional practice location. Dr. Mao graduated from Temple University School Of Medicine. Dr. Mao is fluent in English, and is currently seeing new patients. Dr. Mao’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mao’s office at (714) 456-8000.
Where did Dr. Mao go to medical school and complete their residency?
Medical School: Temple University School Of Medicine
What languages does Dr. Mao speak?
Dr. Mao and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Mao treat?
As a Surgical Oncologist, Dr. Mao 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. Mao. 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:
- Adrenal Gland Disorder
- Adrenal Problems
- Adrenal Disease
- Adrenal Dysfunction
ICD-10 Codes:
- E278: Other specified disorders of adrenal gland
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:
- Primary Hyperparathyroidism
- Other Hyperparathyroidism
- Hyperparathyroidism
- Parathyroid Disorder
- Familial isolated hyperparathyroidism
- Overactive Parathyroid Gland
- High Parathyroid Hormone
- PTH Overproduction
- Atypical Hyperparathyroidism
- Uncommon Hyperparathyroidism
- Tertiary Hyperparathyroidism
ICD-10 Codes:
- E210: Primary hyperparathyroidism
- E212: Other hyperparathyroidism
- E213: Hyperparathyroidism, unspecified
Also known as:
- Thyroid Cancer
- Thyroid Carcinoma
- Malignant Thyroid Nodule
- Thyroid Gland Cancer
ICD-10 Codes:
- C73: Malignant neoplasm of thyroid gland
Also known as:
- Nontoxic Multinodular Goiter
- Thyroid Disease
- Multinodular Goiter
- Lumpy Enlarged Thyroid
ICD-10 Codes:
- E042: Nontoxic multinodular goiter
Also known as:
- Overactive Parathyroid Glands due to Kidney Disease
- Low Parathyroid Hormone After Surgery
- Parathyroid Disorder
- Renal Hyperparathyroidism
- Secondary Hyperparathyroidism
- Postoperative hypoparathyroidism
- Surgical parathyroid deficiency
- Parathyroid problems after surgery
ICD-10 Codes:
- N2581: Secondary hyperparathyroidism of renal origin
- E892: Postprocedural hypoparathyroidism
Also known as:
- Neck Lump or Swelling
- Trunk Lump or Swelling
- Neck Mass
- Bump on Neck
- Neck Nodule
- Body Mass
- Torso Lump
- Trunk Nodule
ICD-10 Codes:
- R221: Localized swelling, mass and lump, neck
- R222: Localized swelling, mass and lump, trunk
Also known as:
- Benign Adrenal Gland Tumor
- Adrenal Gland Disorder
- Benign Tumor
- Non-cancerous growth in adrenal gland
- Adrenal adenoma
- Non-malignant adrenal mass
ICD-10 Codes:
- D3501: Benign neoplasm of right adrenal gland
- D3502: Benign neoplasm of left adrenal gland
Also known as:
- Adrenal Gland Hypofunction After Surgery
- Adrenal Gland Disorder
- Postoperative Adrenal Insufficiency
- Low Adrenal Function After Surgery
ICD-10 Codes:
- E896: Postprocedural adrenocortical (-medullary) hypofunction
Also known as:
- Gallstones
- Cholelithiasis
- Gallbladder stones
- Biliary calculi
ICD-10 Codes:
- K8020: Calculus of gallbladder without cholecystitis without obstruction
Also known as:
- Vascular Access Device Management
- Vascular Access Care
- Port Management
- Catheter Care
ICD-10 Codes:
- Z452: Encounter for adjustment and management of vascular access device
Also known as:
- Post-Surgery Hypothyroidism
- Hypothyroidism
- Postoperative Underactive Thyroid
- Thyroid Failure After Surgery
ICD-10 Codes:
- E890: Postprocedural hypothyroidism
Also known as:
- Other Post-Surgery Condition
- Postoperative State
- Recovery After Surgery
- Surgical Follow-up
ICD-10 Codes:
- Z98890: Other specified postprocedural states
Also known as:
- Widespread Swollen Lymph Nodes
- Generalized lymphadenopathy
- Multiple swollen glands
- Body-wide enlarged lymph nodes
ICD-10 Codes:
- R591: Generalized enlarged lymph nodes
Also known as:
- Nontoxic Goiter
- Thyroid Disease
- Enlarged Thyroid Gland
- Simple Goiter
- Thyroid Swelling
ICD-10 Codes:
- E049: Nontoxic goiter, unspecified
What procedures does Dr. Mao perform?
As a Surgical Oncologist, Dr. Mao 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. Mao. 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:
- Inserting a Long-Term IV Port (Central Line)
- Tunneled central venous catheter insertion
- Subcutaneous port placement
- Central line with port
CPT Codes:
- 36561: Insertion of tunneled centrally inserted central venous access device, with subcutaneous port; age 5 years or older
Also known as:
- Tunneled Central Venous Catheter Removal
- Central Line Explant
- Port-a-Cath Removal
- Implantable Venous Access Device Removal
- Tunneled Catheter Extraction
CPT Codes:
- 36590: Removal of tunneled central venous access device, with subcutaneous port or pump, central or peripheral insertion
Also known as:
- Parathyroid Gland Removal or Exploration
- Parathyroidectomy
- Parathyroid Gland Surgery
- Hyperparathyroidism Surgery
CPT Codes:
- 60500: Parathyroidectomy or exploration of parathyroid(s);
Also known as:
- Ultrasound-Guided Fine Needle Biopsy
- Biopsy
- Ultrasound
- FNA Biopsy with Ultrasound
- Image-Guided Biopsy
- Fine Needle Aspiration
- First Lesion Biopsy
CPT Codes:
- 10005: Fine needle aspiration biopsy, including ultrasound guidance; first lesion
Also known as:
- Removal of One Side of Thyroid Gland
- Unilateral Thyroid Lobectomy
- Thyroid Lobe Removal
- Partial Thyroidectomy
- Isthmusectomy
CPT Codes:
- 60220: Total thyroid lobectomy, unilateral; with or without isthmusectomy
Also known as:
- Laparoscopic Adrenal Gland Surgery
- Minimally Invasive Adrenalectomy
- Adrenal Gland Removal (Laparoscopic)
- Adrenal Gland Exploration
CPT Codes:
- 60650: Laparoscopy, surgical, with adrenalectomy, partial or complete, or exploration of adrenal gland with or without biopsy, transabdominal, lumbar or dorsal
Also known as:
- Laparoscopic Gallbladder Removal
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
Does Dr. Mao accept my insurance?
Dr. Mao accepts most major insurance plans. Important: Please call our office at (714) 456-8000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mao accept in Orange, CA?
Dr. Mao in Orange, CA 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 Shield of California
CalOptima
Centene
Crown Cork and Seal Company
Medicare
Monarch HealthCare
OptumRx
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Mao's office located?
Dr. Melissa Mao's Primary Practice
101 The City Dr S Bldg 23
Orange, CA 92868
(714) 456-8000
Dr. Melissa Mao's Practice 2
8815 Germantown Ave Ste 22
Philadelphia, PA 19118
(215) 248-8887
What is Dr. Mao's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mao's National Provider Identifier (NPI) number is 1245594498.
What common questions do patients ask about Dr. Mao?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mao
What is Dr. Melissa Mao's specialty?
Dr. Mao is a Surgical Oncologist near Orange, CA. A surgical oncologist is a highly qualified and trained surgeon with specialized expertise in the prevention, diagnosis, treatment, and rehabilitation of cancer patients. They have received additional training in a multidisciplinary approach and dedicate a significant portion of their practice to these areas, as well as to cancer research. Contact Dr. Mao to book an appointment today.
Is this Dr. Melissa Mao affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mao is affiliated with UCI Medical Center, Hoag Hospital Newport Beach, Eisenhower Health Main Campus 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
Where can I learn more about Surgical Oncologist?
Explore Surgical Oncologist 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 Melissa Mao accepting new patients in Orange, CA?
Yes, Dr. Melissa Mao is accepting new patients at this time.
Does Dr. Melissa Mao offer online booking?
Please contact Dr. Mao's office at (714) 456-8000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Melissa Mao?
Please contact Dr. Mao's office at (714) 456-8000 for information regarding telehealth appointment availability or for scheduling assistance.
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