Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. George William Marek III, MD, PHD

Individual provider Gastroenterology Physician · NPI 1578023537

Dr. George William Marek III, MD, PHD is a Gastroenterology in Rochester, Minnesota. Graduated from University of Florida College of Medicine in 2019, 7 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
7
Trained at
University of Florida College of Medicine
Licensed in
MN
In the registry since
2019
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1600 Sw Archer Rd Ste 4102, Gainesville, FL 32610-3003 — (352) 265-0239

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 71133 (MN)

Record details

NPI number1578023537
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMarch 24, 2019
Last updated in NPPESJuly 1, 2025
Certification dateJuly 1, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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