MARK C HANSEN M.D.
NPI 1851566947
Internal Medicine - Critical Care Medicine in Las Vegas, NV
About Mark C Hansen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK C HANSEN M.D. (NPI 1851566947) is an individual critical care medicine provider in Las Vegas, Nevada, licensed in Nevada (20436) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Sunrise Hospital And Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark C Hansen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mark Hansen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Vegas, NV 89102
- Reassigned Medicare billing, Nevada enrollment
- 286 clinicians in this Medicare group
Las Vegas, NV 89169
- Reassigned Medicare billing, Nevada enrollment
- 67 clinicians in this Medicare group
Klamath Falls, OR 97601
- Reassigned Medicare billing, Oregon enrollment
- 355 clinicians in this Medicare group
Edna Bay, AK 99901
- Reassigned Medicare billing, Texas enrollment
- 640 clinicians in this Medicare group
Palmer, AK 99645
- Reassigned Medicare billing, Alaska enrollment
- 60 clinicians in this Medicare group
Anchorage, AK 99503
- Reassigned Medicare billing, Alaska enrollment
- 128 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sunrise Hospital And Medical Center
Acute Care Hospitals · Las Vegas, NVMountainview Hospital
Acute Care Hospitals · Las Vegas, NVSouthern Hills Hospital And Medical Center
Acute Care Hospitals · Las Vegas, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
LAS VEGAS, NV 89102
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Hansen's NPI number?
The NPI number for Mark Hansen is 1851566947. It was assigned to this individual provider in the NPPES registry on April 29, 2008.
Where is Mark Hansen located?
Mark Hansen practices at 1707 W Charleston Blvd Ste 230, Las Vegas, NV 89102. The listed phone number is (702) 671-5070.
What is Mark Hansen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Mark Hansen enrolled in Medicare?
Yes. Mark Hansen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Hansen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hansen reassigns Medicare benefits to 6 organizations: Unlv Medicine (Las Vegas, NV), Sunrise Mountainview Multispecialty Clinics, LLC (Las Vegas, NV), Sky Lakes Medical Center Inc (Klamath Falls, OR), Southeast Alaska Regional Health Consortium (Edna Bay, AK), Mat-Su Valley Medical Center LLC (Palmer, AK) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Hansen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Hansen accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Molina Healthcare list Mark Hansen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Hansen affiliated with any hospitals?
According to CMS data, Mark Hansen is affiliated with Sunrise Hospital And Medical Center, Mountainview Hospital and Southern Hills Hospital And Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Hansen was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark C Hansen, M.D. · NPI 1851566947
Critical Care Medicine physician in Las Vegas, Nevada. Individual provider, active in the CMS NPPES registry since April 29, 2008.
## Identity
- **NPI:** 1851566947 (Entity type: Individual)
- **Enumerated:** April 29, 2008
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 20436 (Nevada)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1707 W CHARLESTON BLVD STE 230, Las Vegas, NV 89102-2353
- **Phone:** (702) 671-5070
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Unlv Medicine (NPI 1407397235, Las Vegas, NV); Sunrise Mountainview Multispecialty Clinics, LLC (NPI 1043402522, Las Vegas, NV); Sky Lakes Medical Center Inc (NPI 1659340370, Klamath Falls, OR); Southeast Alaska Regional Health Consortium (NPI 1518403906, Edna Bay, AK); Mat-Su Valley Medical Center LLC (NPI 1417975061, Palmer, AK); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 2008
## Record status
- **NPPES last updated:** June 23, 2025
- **Other identifiers:** Medicaid 1851566947 (NV); Other 20436 (NV); Medicaid 1851566947 (IA)
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Source: [NPI Profile](https://npiprofile.com/npi/1851566947) · Data from the CMS NPPES public registry.