Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARISSA OLSON CALDERA M.D.
NPI 1932359858
Obstetrics & Gynecology in Las Vegas, NV

Active since September 28, 2008PECOS Enrolled
1707 W CHARLESTON BLVD STE 120, LAS VEGAS, NV 89102(702) 671-2312 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Mar 24, 2021, Mar 15, 2017 (3 updates tracked since 2017).

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

NPI1932359858
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameCHARISSA OLSON CALDERACredential: M.D.
Location Address1707 W CHARLESTON BLVD STE 120Las Vegas, NV 89102-2352
Mailing Address1707 W Charleston Blvd Ste 120Las Vegas, NV 89102-2352
Sole ProprietorNo
Enumeration DateSeptember 28, 2008
Last NPPES UpdateSeptember 28, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1932359858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NV · 16761
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1707 W CHARLESTON BLVD STE 120, Las Vegas, NV 89102

Secondary Practice Location 1

Location 12011 Pinto Ln Ste 200Las Vegas, NV 89106-4007 · Phone (702) 299-6500 · Fax (702) 215-9740

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare 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.

Maternal & Fetal Medicine
2011 PINTO LANE, SUITE 200
Las Vegas, NV 89106
  • Reassigned Medicare billing, Nevada enrollment
  • 96 clinicians in this Medicare group
Obstetrics & Gynecology
8906 SPANISH RIDGE AVE STE 202
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.

New Patient
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
1707 W CHARLESTON BLVD STE 120
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 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.