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

Mark Day, DO, Inc

Organization Family Medicine Physician · NPI 1023325529

Mark Day, DO, Inc is a Family Medicine Physician in Henderson, Nevada. Licensed in Nevada. Registered with an NPI since 2010.

Licensed in
NV
In the registry since
2010
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

56 N Pecos Rd Ste A
Henderson, NV 89074-7332
Phone: (702) 456-9100
Fax: (702) 434-7354
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 656 (NV)

Record details

NPI number1023325529
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Day — Owner/President · (702) 456-9100
NPI enumeratedSeptember 3, 2010
Last updated in NPPESSeptember 23, 2010
Mailing address56 N Pecos Rd Ste A, Henderson, NV 89074-7332

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