Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Mark Day, DO, Inc

Organization Family Medicine Physician · NPI 1023325529

Mark Day, DO, Inc provides Family Medicine Physician services 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 Not confirmed with CMS for 16 years — call before visiting
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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