Physician Profile
Unclaimed ProfileAbout DAY
Mark Day, DO practises family practice in Las Vegas, NV. Mark is a 1990 graduate of Des Moines University of Osteopathic Medicine and Health Sciences. Mark is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Day?
Dr. Day is a family practice in Las Vegas, NV. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Day's address?
Dr. Day is listed at 1655 E CACTUS AVE STE 400, Las Vegas, NV 89183. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Day?
The number on file is (702) 724-8777. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Day's NPI number?
Dr. Day's National Provider Identifier is 1164436994. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Day train?
Dr. Day attended Des Moines University of Osteopathic Medicine and Health Sciences, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Day been practising?
Dr. Day has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Day perform?
According to Medicare billing data, Dr. Day performs procedures including removal of deep lymph nodes of neck and removal or exploration of parathyroid glands; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, trivalent derived from cell cultures, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Day confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Day. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (702) 724-8777
- Email not available
Practice Locations
1655 E CACTUS AVE STE 400
Las Vegas, NV 89183
Procedures Most Often Billed to Medicare
731 services · 432 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of deep lymph nodes of neck | Procedure | 38542 |
15 |
| Removal or exploration of parathyroid glands | Procedure | 60500 |
14 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
17 |
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
13 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
619 |
| Administration of influenza virus vaccine | Billing code | G0008 |
20 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Las Vegas 8
Same specialty, same city.
Trained at Des Moines University of Osteopathic Medicine and Health Sciences 8
Other providers in the same specialty who trained at the same institution.
More connections — 9 related providers in 2 groups
Class of 1990 at Des Moines University of Osteopathic Medicine and Health Sciences 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of deep lymph nodes of neck 1
Providers in NV who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.