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

Dr. John Conrad Mastrud, DDS

Individual provider Dentist · NPI 1366577652

Dr. John Conrad Mastrud, DDS is a Dentist in Lemont, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

15947 W 127th St Ste H
Lemont, IL 60439-7421
Phone: (630) 257-2133
Fax: (630) 257-2146
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 019-023242 (IL)

Record details

NPI number1366577652
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedFebruary 23, 2007
Last updated in NPPESOctober 21, 2014

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