MARK DAY DO NPI 1164436994

NPI Information

  • NPI: 1164436994
  • Provider Name: MARK DAY, DO
  • Classification: Family Medicine - 207Q00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 1655 E CACTUS AVE STE 400
    LAS VEGAS, NV
    ZIP 89183
  • Phone: (702) 724-8777

Map and Directions

Get Directions

NPI Details

Mark Day, DO is a family medicine in Las Vegas, NV with 35 years of experience. The provider is family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity. Mark Day, DO NPI is 1164436994. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: DES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduation Year:1990

The provider's business location address is:

1655 E CACTUS AVE STE 400
LAS VEGAS, NV
ZIP 89183-723
Phone: (702) 724-8777
Fax: (702) 724-8749

The NPI 1164436994 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS:G0439)
  • Administration of influenza virus vaccine (HCPCS:G0008)
  • Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS:90694)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)

The enumeration date for this NPI number is 7/28/2006 and was last updated on 11/6/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207Q00000XFamily Medicine656NEVADAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.