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

Daniel E Ruiz, MD

Individual provider Internal Medicine Physician · NPI 1578504759

Daniel E Ruiz, MD is an Internal Medicine Physician in Marion, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1040 Delaware Aveneue
Marion, OH 43301-1814
Phone: (740) 383-7000
Fax: (740) 383-7942
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 35100131R (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35100131R (OH)

Record details

NPI number1578504759
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2006
Last updated in NPPESJuly 13, 2026

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