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

Dr. Ryan Christian Guillory, DO

Individual provider Internal Medicine Physician · NPI 1083153423

Dr. Ryan Christian Guillory, DO is an Internal Medicine in Athens, Ohio. Graduated from William Carey University College of Osteopathic Medicine in 2017, 9 years ago. Practices with Fairfield Healthcare Professionals Inc, a 146-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
9
Trained at
William Carey University College of Osteopathic Medicine
Licensed in
OH
In the registry since
2017
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.

See every abbreviation used in this directory →

Practice location Address checks out

55 Hospital Dr # 1
Athens, OH 45701-2302
Phone: (740) 593-5551
Fax: (614) 566-0401
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34.014146 (OH)

Record details

NPI number1083153423
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 17, 2017
Last updated in NPPESSeptember 20, 2021
Certification dateSeptember 20, 2021
Mailing address1550 Sheridan Dr, Suite 203, Lancaster, OH 43130-1381

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesEMERGENCY MEDICINE
Medical schoolWILLIAM CAREY UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2017 (9 years in practice)
Group practice Fairfield Healthcare Professionals Inc — 146 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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