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Frank Sager

Internist Endokrinologe Diabetologe Ruesselsheim

Frank Sager

7 years of experience

9,697+
Patients seen
7
Years in practice
12
Publications

PROFILE SUMMARY

About Frank Sager at a glance

Frank Sager is an Internist Endokrinologe Diabetologe practitioner based in Ruesselsheim, Germany, practising at Ludwig-Maximilians-Universität München Teaching Hospital. Procedures focus on gp consultation, annual physical exam, vaccination administration, minor procedure (skin). Educated at Ludwig-Maximilians-Universität München (MD, 2015). Serves patients in Ruesselsheim, Germany and the surrounding area.

About

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

— Frank Sager

Education & training

  1. 2009–2015 MD · Medicine and Surgery
    Ludwig-Maximilians-Universität München, ruesselsheim (DE)
  2. 2015–2019 Residency · Internist Endokrinologe Diabetologe
    Ludwig-Maximilians-Universität München, ruesselsheim (DE)

Career & appointments

  1. 2019-09–2020-08 Junior consultant
    Ludwig-Maximilians-Universität München Teaching Hospital — Internist Endokrinologe Diabetologe

Licenses & insurance

Medical licenses

DE — Bundesärztekammer
#DE-973818 active · expires 2028-12-31

Board certifications

European Board of Internist Endokrinologe Diabetologe
#EB-8995E841 · issued 2020 · renewal 2030
Malpractice insurance: AXA Healthcare Liability · 1,000,000 EUR coverage · No claims on file

Procedures performed

ProcedureCodeLifetime count
GP consultation 99213 815
Annual physical exam 99395 529
Vaccination administration 90471 2,985
Minor procedure (skin) 17110 190

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 60 min in_clinic 360.00 EUR
Minor procedure (skin) 90 min in_clinic 270.00 EUR

Office, team & in practice

Frank Sager
HEADSHOT
Frank Sager in consultation
IN OFFICE
Frank Sager with the team
WITH TEAM
Frank Sager at a conference
CONFERENCE

Videos

introduction · 92s
Meet Frank Sager

Research & publications

h-index: 11 · i10: 9

  1. Long-term follow-up of Internist Endokrinologe Diabetologe across DE
    Frank Sager, et al. · European Journal of Medicine, 2026
    DOI: 10.6353/euroclin.2026.0 · PMID: 31734106 · cited by 55
  2. Validation of clinical scoring in Internist Endokrinologe Diabetologe
    Frank Sager, et al. · European Journal of Medicine, 2025
    DOI: 10.7194/euroclin.2025.1 · PMID: 33897550 · cited by 37
  3. Long-term follow-up of Internist Endokrinologe Diabetologe across DE
    Frank Sager, et al. · European Journal of Medicine, 2024
    DOI: 10.6803/euroclin.2024.2 · PMID: 30976139 · cited by 195

Invited talks

  • Practical updates in Internist Endokrinologe Diabetologe European Annual Congress (Internist Endokrinologe Diabetologe) · Vienna · 2024 · invited
  • Single-centre experience in Internist Endokrinologe Diabetologe National Society Meeting · ruesselsheim · 2023 · oral abstract

Awards & memberships

Awards

  • 🏆 Top-rated Internist Endokrinologe Diabetologe — ruesselsheim · EuroClinics Patient Choice · 2025 · regional

Society memberships

  • WONCA Europe — Family Doctors — Member · Since 2020
  • national college of family doctors — Member · Since 2020
  • European Union of Medical Specialists (UEMS) — Member · Since 2020

Articles by this doctor

  • Patient education Patient guide to Internist Endokrinologe Diabetologe
  • Awareness When should you see a internist endokrinologe diabetologe?

For international patients

Coordinator
Patient liaison · jameda.frank.sager@euroclinics.example

Location

1 tag

Patient reviews

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Recent reviews

  • ★★★★★ ✓ Verified
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verified
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verified
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Frank Sager's Areas of Specialty

Each specialty below reflects the conditions and procedures Frank Sager treats, with the size of the national pool of Germany doctors offering the same care.

Internist Endokrinologe Diabetologe

Frank Sager is one of 959 internist endokrinologe diabetologe doctors indexed in Germany. Browse internist endokrinologe diabetologe doctors in Germany →

LOCAL CARE CONTEXT

Why local healthcare in Ruesselsheim matters

Medical practice in Germany is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Germany medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Ruesselsheim carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in Ruesselsheim or all doctors in Germany.

Frequently asked questions

Quick answers to the questions patients ask most. The same answers are surfaced to AI assistants via structured data.

  • What does Frank Sager specialise in?

    Frank Sager specialises in Internist Endokrinologe Diabetologe in ruesselsheim, DE.

  • What conditions does Frank Sager treat?

    Frank Sager treats conditions within Internist Endokrinologe Diabetologe. View the full conditions-treated list on the profile.

  • Where does Frank Sager practise?

    Frank Sager practises in ruesselsheim, DE. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • How do I book an appointment with Frank Sager?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

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