Comprehensive Diabetes Management
Diagnosis, treatment, and follow-up for type 1, type 2, and gestational diabetes. Education on self-monitoring and prevention of complications.
Dra. Claudia Michahelles Barreno — Specialist Endocrinologist at Arzobispo Loayza National Hospital. Consultations with the time needed to listen, explain, and support you throughout your treatment.

Focused on
Your overall wellbeing
Years of experience
Patients treated
Doctoralia rating
International fellowships
Each condition requires a precise and personalized approach. These are the areas where I can accompany you.
Diagnosis, treatment, and follow-up for type 1, type 2, and gestational diabetes. Education on self-monitoring and prevention of complications.
Evaluation and treatment of hypothyroidism, hyperthyroidism, thyroid nodules, and thyroiditis. Specialized hormonal control.
Endocrinological approach to obesity with comprehensive treatment plans. Complete metabolic evaluation and personalized follow-up.
Diagnosis and treatment of osteoporosis and osteopenia. Evaluation of calcium metabolism and fracture prevention.
Complete hormonal evaluation for PCOS. Management of menstrual irregularities, insulin resistance, and hyperandrogenism.
Answer 4 simple Yes/No questions to discover if your symptoms could be related to a hormonal or thyroid imbalance.
Calculate your Body Mass Index to find out if your weight is in a healthy range. This tool is indicative and does not replace a medical evaluation.
We know that visiting a specialist can raise doubts or concerns. That's why we take the necessary time in each consultation so you understand your diagnosis, the reason behind each recommendation, and how to move forward with confidence.
Book my ConsultationEach appointment has the necessary time to listen to you, explain clearly, and resolve all your doubts without rushing.
Your treatment is unique. We design plans adapted to your condition, lifestyle, and health goals.
Experience as Assistant Physician at Arzobispo Loayza National Hospital, one of the most important reference centers in the country.
We work with private insurance so you can access quality care without complications.
We want you to feel at ease and prepared. Here's what your experience will be like from first contact.
Write to us via WhatsApp or use our Doctoralia online system to book the time that suits you best.
Bring your recent tests, current medication list, and any previous studies (ultrasounds, bone density scans, etc.).
In your first consultation (40-60 min) we listen to you without rushing, review your studies, and perform a comprehensive evaluation.
You will receive a clear diagnosis, a personalized treatment plan, and all your questions answered before leaving.
Our patients' trust is our best indicator of quality.
“Dr. Claudia took all the time needed to explain my thyroid diagnosis. For the first time, I felt someone was really listening to me. My treatment has greatly improved my quality of life.”
María G.
Patient · Hypothyroidism
“I had gone years without good control of my diabetes. The doctor designed a plan I can actually follow and now my levels are stable. Very grateful for her patience and dedication.”
Carlos R.
Patient · Type 2 Diabetes
“I was looking for an endocrinologist specializing in PCOS and found Dr. Michahelles. Her comprehensive approach and the calm way she resolves every doubt gave me great confidence. Highly recommended.”
Sandra M.
Patient · PCOS
“After many failed attempts with diets, Dr. Claudia was the first to explain that my problem was metabolic. With her personalized plan, I have safely lost 12 kilos in 6 months.”
Lucía P.
Patient · Obesity
“I was diagnosed with osteoporosis and was very scared. The doctor explained everything very clearly and designed a treatment that has improved my densitometry. She is an exceptional professional.”
Rosa T.
Patient · Osteoporosis
“I was diagnosed with hypothyroidism during my pregnancy. Dr. Michahelles accompanied me throughout the entire process with precise medication adjustments. My baby was born healthy, and I felt safe at all times.”
Andrea V.
Patient · Thyroid in pregnancy
Select the time that suits you best. Immediate confirmation through the Doctoralia system.

Endocrinologist committed to close care, where each patient receives the time and dedication they deserve. I base my practice on the most up-to-date scientific medical evidence.
Endocrinologist trained in national reference institutions.
Attending Physician of the Endocrinology Service in one of the most important hospitals in Peru.
Registered specialist. You can verify her credentials at the Medical College of Peru.
Each consultation has the necessary time to listen to your doubts, explain clearly, and design a personalized treatment plan.





“My commitment is to provide you with unhurried care, answering all your questions and supporting you at every step of your treatment. Because your health deserves time and dedication.”
— Dra. Claudia Michahelles Barreno
Here you'll find answers to the most common questions from our patients.
We provide care in a modern and private space, with the time needed for each medical evaluation. **Strictly by appointment.**

Bentarelli 264, San Borja
Lima, Perú
By Appointment
We arrange a time that works for you.
Private patients
We work with private patients. If you have private insurance (EPS), we can issue the necessary documentation for you to request your reimbursement.