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

Dr. Robert Parker Guinsler, DO

Individual provider Internal Medicine Physician · NPI 1720541253

Dr. Robert Parker Guinsler, DO is an Internal Medicine in Newark, Ohio. Graduated from Ohio University, College of Osteopathic Medicine in 2019, 7 years ago. Practices with Licking Memorial Professional Corporation, a 235-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
7
Trained at
Ohio University, College of Osteopathic Medicine
Licensed in
OH
In the registry since
2019
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

1717 W Main St Ste 200
Newark, OH 43055-1890
Phone: (220) 564-1700
Fax: (220) 564-1701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34.014854 (OH)

Record details

NPI number1720541253
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedApril 11, 2019
Last updated in NPPESJanuary 13, 2025
Certification dateJanuary 13, 2025
Mailing address1717 W Main St Ste 200, Newark, OH 43055-1890

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOHIO UNIVERSITY, COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2019 (7 years in practice)
Group practice Licking Memorial Professional Corporation — 235 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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