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Endocrinologists
Coverage
Medicare + 8 Networks
Telehealth
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About Dr. Maria Fernandez Renedo
Background and practice information
Dr. Maria Fernandez Renedo is an endocrinologist with over 45 years of clinical experience serving patients in the Atwater, CA area. She completed her medical training at Other and has been in practice since 1981. She currently practices at Castle Family Health Centers Inc.
Dr. Maria Fernandez Renedo's clinical practice focuses on treating patients with hypothyroidism (underactive thyroid), hyperthyroidism (overactive thyroid), type 2 diabetes, and related conditions.
Dr. Maria Fernandez Renedo is in-network with 8 insurance providers, including Aetna, Blue Shield of California, Cigna, and 5 more. Patients are encouraged to verify coverage with her office before scheduling an appointment.
At a Glance
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Claim this profilePractice Locations
1 location
Castle Family Health Centers Inc
Primary3605 Hospital Rd
Atwater, CA 95301
(209) 381-2000
Affiliations
Hospital and facility affiliations
Treatment & Experience
Clinical practice and procedure experience for Dr. Maria Fernandez Renedo
Treatment Approach
Dr. Maria Fernandez Renedo's treatment approach includes prescribing Levothyroxine Sodium, Methimazole, Metformin Hcl for her patients. These medications are commonly used for treating hypothyroidism (underactive thyroid), hyperthyroidism (overactive thyroid), type 2 diabetes. She prescribing profile reflects experience across a wide range of treatments, addressing multiple aspects of patient care within her specialty.
Source: CMS Medicare Provider Utilization and Payment Data, 2023.
Insurance Networks
Accepted insurance plans and networks
Dr. Maria Fernandez Renedo accepts 43 plans from 8 insurers, including Cigna, UnitedHealthcare, Aetna.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
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About Endocrinology
Specialty overview and common conditions
An endocrinologist is a physician who specializes in diagnosing and treating disorders of the endocrine system, which includes the glands and hormones that regulate metabolism, growth, reproduction, sleep, mood, and many other bodily functions. These medical specialists have extensive training in ma...
Common conditions treated by endocrinology specialists:
- Diabetes Mellitus (Type 1 and Type 2)
- Hypothyroidism (Underactive Thyroid)
- Hyperthyroidism (Overactive Thyroid)
- Thyroid Nodules and Thyroid Cancer
Frequently Asked Questions
Common questions about Maria Fernandez Renedo
Does Dr. Fernandez Renedo accept Medicare?
Yes, Dr. Fernandez Renedo accepts Medicare assignment. Patients with Medicare coverage can see Dr. Fernandez Renedo and typically pay less out of pocket when using a provider who accepts Medicare assignment.
What insurance does Dr. Fernandez Renedo accept?
Dr. Fernandez Renedo is in-network with 8 insurance providers, including Aetna, Blue Shield of California, Cigna, Humana, Medicare, and 3 more. Insurance networks can change, so patients should verify their specific plan coverage directly with Dr. Fernandez Renedo's office before scheduling.
Does Dr. Fernandez Renedo offer telehealth or virtual appointments?
Dr. Fernandez Renedo does not currently list telehealth services. For virtual care options, contact the office directly or consider other endocrinology providers in Atwater who offer telehealth.
What conditions does Dr. Fernandez Renedo treat?
As a endocrinology specialist, Dr. Fernandez Renedo commonly treats conditions including diabetes mellitus (type 1 and type 2), hypothyroidism (underactive thyroid), hyperthyroidism (overactive thyroid), thyroid nodules and thyroid cancer, osteoporosis and metabolic bone disease, and other related health concerns. Contact the office to discuss your specific healthcare needs.
What medications does Dr. Fernandez Renedo commonly prescribe?
Based on Medicare prescribing data, Dr. Fernandez Renedo commonly prescribes medications including Levothyroxine Sodium, Methimazole, Metformin Hcl. The specific medications prescribed depend on each patient's individual diagnosis and health needs. Patients should discuss treatment options directly with Dr. Fernandez Renedo during their consultation.
Where did Dr. Fernandez Renedo go to medical school?
Dr. Fernandez Renedo completed medical training at Other and has been practicing since 1981, bringing over 45 years of clinical experience.
Where is Dr. Fernandez Renedo's office located?
Dr. Fernandez Renedo practices at 3605 HOSPITAL RD, Atwater, CA 95301 at CASTLE FAMILY HEALTH CENTERS INC. You can reach the office by calling (209) 381-2000.
How do I make an appointment with Dr. Fernandez Renedo?
To schedule an appointment with Dr. Fernandez Renedo, call the office at (209) 381-2000. New patients should have their insurance information and medical records ready when calling.
Data source: CMS National Provider Registry ·
Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice. Learn more about our editorial standards