Affiliated with a Castle Connolly Top Hospital
Who is Dr. Villanueva, Internist in Los Angeles, CA?
What languages does Dr. Villanueva speak?
Dr. Villanueva and their clinical team can communicate with patients in the following languages:
- English
What conditions does an Internist like Dr. Villanueva typically treat?
As an Internist, Dr. Villanueva 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. Villanueva. 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:
- Hormone Replacement Therapy
- HRT
- Hormone therapy
- Menopausal hormone treatment
ICD-10 Codes:
- Z79890: Hormone replacement therapy
Also known as:
- Nontoxic Multinodular Goiter
- Thyroid Disease
- Multinodular Goiter
- Lumpy Enlarged Thyroid
ICD-10 Codes:
- E042: Nontoxic multinodular goiter
Also known as:
- Hyperthyroidism
- Graves' Disease
- Hyperthyroidism (Overactive Thyroid)
- Graves' disease
- Graves Disease
- Overactive Thyroid
- Thyrotoxicosis
- High Thyroid Function
- Hyperthyroidism with Goiter
- Toxic Diffuse Goiter
- Overactive Thyroid with Enlarged Gland
ICD-10 Codes:
- E0590: Thyrotoxicosis, unspecified without thyrotoxic crisis or storm
- E0500: Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm
Also known as:
- Type 1 Diabetes with High Blood Sugar
- Diabetes Type 1
- Hyperglycemia
- Type 1 diabetes
- Diabetic Hyperglycemia
- High Glucose in Type 1 Diabetes
- High Blood Sugar Episode
ICD-10 Codes:
- E1065: Type 1 diabetes mellitus with hyperglycemia
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:
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Hyperglycemia
- Type 2 diabetes
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E1165: Type 2 diabetes mellitus with hyperglycemia
Also known as:
- Abnormal Thyroid Function Test Results
- Thyroid Disease
- Unusual thyroid test results
- Irregular thyroid function
- Thyroid hormone levels
ICD-10 Codes:
- R946: Abnormal results of thyroid function studies
What procedures does an Internist like Dr. Villanueva typically perform?
As an Internist, Dr. Villanueva 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. Villanueva. 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:
- 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
Does Dr. Villanueva accept my insurance?
Dr. Villanueva accepts most major insurance plans. Important: Please call our office at (323) 783-4011 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Villanueva accept in Los Angeles, CA?
Dr. Villanueva in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Centene Corporation
City of Los Angeles
Heritage Health
Kaiser Permanente
Medicare
Other Health Care Provider
View All Insurances
Where is Dr. Villanueva's office located?
Dr. Tish Villanueva's Primary Practice
4950 W Sunset Blvd
Los Angeles, CA 90027
(323) 783-4011
What hospitals are Dr. Villanueva affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Villanueva has admitting privileges at the following hospitals:

Ranked Cancer Surgery
Ranked Mastectomy
What is Dr. Villanueva's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Villanueva's National Provider Identifier (NPI) number is 1891953915.
What common questions do patients ask about Dr. Villanueva?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Villanueva
What is Dr. Tish Villanueva's specialty?
What does an Internist do?
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.