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Dr Ratnasingam Nithiyananthan
Trust score 8/100 Accepting new patients

Dr

Dr Ratnasingam Nithiyananthan

Endocrinology & Diabetes

English Tamil
6,720+ Patients seen
13 Years in practice
7 Publications
2 Languages spoken

About

Clinical Interests:

Diabetes, endocrinology, general medicine, polycystic ovarian syndrome, thyroid disease, obesity and metabolism, parathyroid disease and calcium metabolism, hypertension, pituitary disease and hypogonadism.

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr Ratnasingam Nithiyananthan

Education & training

  1. 2003–2009 MD · Medicine and Surgery
    Universidad Complutense de Madrid
  2. 2009–2013 Residency · Endocrinology & Diabetes
    Universitat de València

Career & appointments

  1. 2013-09–2014-08 Junior consultant
    Universidad Complutense de Madrid Teaching Hospital — Endocrinology & Diabetes

Licenses & insurance

Medical licenses

— Organización Médica Colegial de España (OMC)
#-319009 active · expires 2028-12-31

Board certifications

European Board of Endocrinology & Diabetes
#EB-2048F0B2 · issued 2014 · renewal 2024
Malpractice insurance: AmTrust Europe · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 1,344
Annual physical exam 99395 2,710
Vaccination administration 90471 230
Minor procedure (skin) 17110 1,481

Services & pricing

ServiceDurationModalityPrice
New patient consultation (60m) 60 min in_clinic|telemed 180.00 EUR
Follow-up consultation (30m) 30 min in_clinic|telemed|phone 90.00 EUR
Vaccination administration 90 min in_clinic 270.00 EUR
Minor procedure (skin) 60 min in_clinic 360.00 EUR

Office, team & in practice

Ratnasingam Nithiyananthan
HEADSHOT
Ratnasingam Nithiyananthan in consultation
IN OFFICE
Ratnasingam Nithiyananthan with the team
WITH TEAM
Ratnasingam Nithiyananthan at a conference
CONFERENCE

Videos

introduction · 123s
Meet Ratnasingam Nithiyananthan

Research & publications

h-index: 10 · i10: 11

  1. Validation of clinical scoring in Endocrinology & Diabetes
    Ratnasingam Nithiyananthan, et al. · European Journal of Medicine, 2026
    DOI: 10.7671/euroclin.2026.0 · PMID: 33252926 · cited by 24
  2. Long-term follow-up of Endocrinology & Diabetes across
    Ratnasingam Nithiyananthan, et al. · European Journal of Medicine, 2025
    DOI: 10.3527/euroclin.2025.1 · PMID: 35218622 · cited by 82
  3. Validation of clinical scoring in Endocrinology & Diabetes
    Ratnasingam Nithiyananthan, et al. · European Journal of Medicine, 2024
    DOI: 10.1663/euroclin.2024.2 · PMID: 33882753 · cited by 172

Invited talks

  • Practical updates in Endocrinology & Diabetes European Annual Congress (Endocrinology & Diabetes) · Vienna · 2024 · invited
  • Single-centre experience in Endocrinology & Diabetes National Society Meeting · · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Endocrinology & Diabetes — · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · since 2014
  • national college of family doctors — Member · since 2014
  • European Union of Medical Specialists (UEMS) — Member · since 2014

Patient reviews

★ 0.00 440 verified reviews
Bedside Manner
0.05
Knowledge
0.08
Wait Time
3.80
Staff Friendliness
0.02
Ease Of Appointment
4.00
Value For Money
4.10
Would Recommend Pct
4
  • ★ 5 verified visit

    “Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.”

    — Anna B. · 2026-05-21

  • ★ 5 verified visit

    “Took time to listen and reviewed all my previous results. I would absolutely recommend.”

    — Marco V. · 2026-04-12

  • ★ 4 verified visit

    “Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.”

    — Helena F. · 2026-04-23

Articles by this doctor

  • Patient education Patient guide to Endocrinology & Diabetes 2026-03-10 · 9 min read
  • Awareness When should you see a endocrinology & diabetes? 2026-01-08 · 8 min read

For international patients

Coordinator
Patient liaison · ratnasingam.nithiyananthan@euroclinics.example

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