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

Dr. Mark G. O'Farrell, DDS

Individual provider Dentist · NPI 1174677900

Dr. Mark G. O'Farrell, DDS is a Dentist in Rock Springs, Wyoming. Practices as a sole proprietor. Licensed in Wyoming.

Licensed in
WY
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

916 Dewar Dr
Rock Springs, WY 82901-5915
Phone: (307) 362-1720
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 842 (WY)

Record details

NPI number1174677900
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 22, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1827 Walnut St, Rock Springs, WY 82901-7343

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