CHARISSA OLSON CALDERA M.D.
NPI 1932359858
Obstetrics & Gynecology in Las Vegas, NV
About Charissa Olson Caldera M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARISSA OLSON CALDERA M.D. (NPI 1932359858) is an individual obstetrics & gynecology provider in Las Vegas, Nevada, licensed in Nevada (16761) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Las Vegas.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Charissa Olson Caldera M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Charissa Olson Caldera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Vegas, NV 89106
- Reassigned Medicare billing, Nevada enrollment
- 96 clinicians in this Medicare group
Las Vegas, NV 89148
- Reassigned Medicare billing, Nevada enrollment
- Medicare enrollment name: Nevada Womens Hospitalists Dickens PLLC
- 30 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.
Physician 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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Charissa Olson Caldera's NPI number?
The NPI number for Charissa Olson Caldera is 1932359858. It was assigned to this individual provider in the NPPES registry on September 28, 2008.
Where is Charissa Olson Caldera located?
Charissa Olson Caldera practices at 1707 W Charleston Blvd Ste 120, Las Vegas, NV 89102. The listed phone number is (702) 671-2312.
What is Charissa Olson Caldera's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Charissa Olson Caldera enrolled in Medicare?
Yes. Charissa Olson Caldera is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Charissa Olson Caldera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charissa Olson Caldera reassigns Medicare benefits to 2 organizations: Iriye Medical Group PLLC (Las Vegas, NV) and Nevada Womens Hospitalists - Storey PLLC (Las Vegas, NV). 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 Charissa Olson Caldera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Charissa Olson Caldera was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.