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

Dr. Ronald Alan Ringwald, MD

Individual provider Family Medicine Physician · NPI 1912945049

Dr. Ronald Alan Ringwald, MD is a Family Practice in Spencerville, Ohio. Graduated from University of Toledo College of Medicine in 1993, 33 years ago. Practices with Mercy Health Physicians Lima, LLC, a 54-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
33
Trained at
University of Toledo College of Medicine
Licensed in
OH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

107 N Canal St
Spencerville, OH 45887-1121
Phone: (419) 647-4188
Fax: (419) 647-4421
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 35067497 (OH)

Record details

NPI number1912945049
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESAugust 21, 2019
Mailing address424 E 4th St, Spencerville, OH 45887-1210

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF TOLEDO COLLEGE OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Mercy Health Physicians Lima, Llc — 54 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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