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

Dr. Thomas Robert Geisler, DO

Individual provider Internal Medicine Physician · NPI 1740608538

Dr. Thomas Robert Geisler, DO is a Gastroenterology in Erie, Pennsylvania. Graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2014, 12 years ago. Practices with Triad Health Services LLC, a 253-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Ohio and Pennsylvania.

Years since qualifying
12
Trained at
Des Moines University of Osteopathic Medicine and Health Sciences
Licensed in
OH, PA
In the registry since
2014
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

145 W 23rd St Ste 101
Erie, PA 16502-2858
Phone: (814) 452-2767
Fax: (814) 459-2976
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3304 Stones Throw Ave, Poland, OH 44514-4204 — (330) 707-1115

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 012519 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 012519 (OH)
Gastroenterology Physician Taxonomy 207RG0100X · Licence OS020445 (PA)

Record details

NPI number1740608538
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 31, 2014
Last updated in NPPESMarch 6, 2023
Certification dateMarch 6, 2023

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolDES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduated 2014 (12 years in practice)
Group practice Triad Health Services Llc — 253 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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