Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MARK DAY, DO
ActiveMARK DAY, DO is a Family Medicine healthcare provider located in LAS VEGAS, Nevada. NPI 1164436994 is currently active in the NPPES registry. Verify at CMS.
Family Medicine · LAS VEGAS, NV
Registration Details
- NPI Number
- 1164436994
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jul 28, 2006 (20.035957792614 yrs)
- Last Updated
- Nov 6, 2025
- License
-
656 (NV)
Practice Information
- Address
-
1655 E CACTUS AVE STE 400LAS VEGAS, NV, 891837723Browse NV providers · Browse ZIP 89183
- Phone
- 7027248777
- Fax
- 7027248749
- Primary Specialty
-
Family Medicine
207Q00000X
Other Family Medicine Providers in LAS VEGAS, NV
| Name | Credential | NPI |
|---|---|---|
| EARL K PLUNKETT | M.D. | 1225031792 |
| DENISE ANN DAVIS | M.D. | 1851394373 |
| DR. NICOLE R. FLORA | MD | 1275538126 |
| DR. DONALD KENNETH PENNELLE | M.D. | 1093710733 |
| LESLIE FARBER | M.D. | 1730184276 |
| HARRY S STROTHERS III | MD | 1861492720 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.