SH
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Hassan, Endocrinologist in Harlingen, TX?
Dr. Syed Hassan, MD is an Endocrinologist, who primarily practices in Harlingen, TX with 2 additional practice locations. He is board certified. Dr. Hassan is fluent in English, and is currently seeing new patients. Dr. Hassan’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hassan’s office at (956) 230-4971.
Is Dr. Hassan board certified as an Endocrinologist?
Yes, Dr. Syed Hassan, MD is board certified by the American Board of Internal Medicine since 2027
What languages does Dr. Hassan speak?
Dr. Hassan and their clinical team can communicate with patients in the following languages:
English
What conditions does an Endocrinologist like Dr. Hassan typically treat?
As an Endocrinologist, Dr. Hassan 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. Hassan. 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:
- Type 2 Diabetes with High Blood Sugar
- Type 2 Diabetes with Diabetic Neuropathy
- Diabetes Type 2
- Hyperglycemia
- Type 2 diabetes
- Diabetic Nerve Problems
- Diabetic Neuropathy
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
- Diabetic nerve damage
- Diabetes-related nerve pain
- Peripheral neuropathy from diabetes
ICD-10 Codes:
- E1165: Type 2 diabetes mellitus with hyperglycemia
- E1140: Type 2 diabetes mellitus with diabetic neuropathy, unspecified
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- Nontoxic Multinodular Goiter
- Thyroid Disease
- Multinodular Goiter
- Lumpy Enlarged Thyroid
ICD-10 Codes:
- E042: Nontoxic multinodular goiter
What procedures does an Endocrinologist like Dr. Hassan typically perform?
As an Endocrinologist, Dr. Hassan 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. Hassan. 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. Hassan accept my insurance?
Dr. Hassan accepts most major insurance plans. Important: Please call our office at (956) 230-4971 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hassan accept in Harlingen, TX?
Dr. Hassan in Harlingen, TX 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 Corporation
Cigna Group
Federal government of the United States
Health Care Service Corporation
Medicare
Molina Healthcare
Other Health Care Provider
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Hassan's office located?
What is Dr. Hassan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hassan's National Provider Identifier (NPI) number is 1043659345.
What common questions do patients ask about Dr. Hassan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hassan
What is Dr. Syed Hassan's specialty?
Dr. Hassan is a Endocrinologist near Harlingen, TX.
What does an Endocrinologist do?
An internist specializing in disorders of the endocrine glands, including the thyroid and adrenal glands. This specialist also manages a range of conditions such as diabetes, metabolic and nutritional disorders, obesity, pituitary disorders, and menstrual and sexual health issues.
Is this Dr. Syed Hassan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Hassan is affiliated with Dhr Health, Valley Baptist Medical Center — Brownsville, Valley Regional Medical Center, Christus Health 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 an Endocrinologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Endocrinologist. 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 Syed Hassan accepting new patients in Harlingen, TX?
Yes, Dr. Syed Hassan is accepting new patients at this time.
Does Dr. Syed Hassan offer online booking?
Please contact Dr. Hassan's office at (956) 230-4971 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Syed Hassan?
Please contact Dr. Hassan's office at (956) 230-4971 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Syed Hassan have?
Dr. Syed Hassan is certified by the American Board of Internal Medicine.
Other Endocrinologist Near Harlingen, TX
LC
Endocrinologist
Dr. Lourdes Concha, MD is an Endocrinologist, who primarily practices in Harlingen, TX. She is board certified.
Harlingen, TX

Endocrinologist
Dr. Alfredo Garcia, MD is an Endocrinologist, who primarily practices in Harlingen, TX. He has been practicing for over 42 years.
Harlingen, TX
WT
Endocrinologist
Dr. Willie Teo Ong, MD is an Endocrinologist, who primarily practices in Brownsville, TX with 1 additional practice location. He has been practicing for over 30 years and is board certified.
Brownsville, TX