Mark Day, DO
Mark Day, DO is a Family Practice in Las Vegas, Nevada. Graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1990, 36 years ago. Practices with Optum Medical Group II Rhodes P C, a 302-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Nevada.
- Years since qualifying
- 36
- Trained at
- Des Moines University of Osteopathic Medicine and Health Sciences
- Licensed in
- NV
- In the registry since
- 2006
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
1655 E Cactus Ave Ste 400Las Vegas, NV 89183-7723
Phone: (702) 724-8777
Fax: (702) 724-8749
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 56 N Pecos Rd, Henderson, NV 89074-0698 — (702) 456-9100
Specialties & licences
| Family Medicine Physician (primary) | Taxonomy 207Q00000X · Licence 656 (NV) |
|---|
Record details
| NPI number | 1164436994 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | July 28, 2006 |
| Last updated in NPPES | November 6, 2025 |
| Certification date | November 6, 2025 |
Medicare enrollment
| Medicare specialty | FAMILY PRACTICE |
|---|---|
| Medical school | DES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES |
| Graduated | 1990 (36 years in practice) |
| Group practice | Optum Medical Group Ii Rhodes P C — 302 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 5 on file with Medicare |
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