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

Ralph Villaran, MD

Individual provider Infectious Disease Physician · NPI 1699858985

Ralph Villaran, MD is an Infectious Disease in Highland, Indiana. Qualified in 1999, 27 years ago. Practices with Infectious Disease Specialists PC, a 12-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
27
Licensed in
IL
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

9143 Indianapolis Blvd
Highland, IN 46322-2504
Phone: (219) 972-1547
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 036111376 (IL)

Record details

NPI number1699858985
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 23, 2006
Last updated in NPPESSeptember 13, 2012
Mailing address9201 Calumet Ave, Munster, IN 46321-2807

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Infectious Disease Specialists Pc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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