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

Individual provider Internal Medicine Physician · NPI 1821085952

Dr. John Joseph Hiestand, MD is an Internal Medicine in Fremont, Ohio. Graduated from Ohio State University College of Medicine in 1987, 39 years ago. Practices with Memorial Professional Services Ltd, a 40-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
39
Trained at
Ohio State University College of Medicine
Licensed in
OH
In the registry since
2005
Specialties on file
2
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

2575 Hayes Ave Ste 1
Fremont, OH 43420-5201
Phone: (419) 332-1551
Fax: (419) 332-1132
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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 35-061218 (OH)
Pediatrics Physician Taxonomy 208000000X · Licence 35-061218 (OH)

Record details

NPI number1821085952
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 4, 2005
Last updated in NPPESOctober 29, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Memorial Professional Services Ltd — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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