RENEE MARIE SIMPSON CRNA
NPI 1780114728
Nurse Anesthetist, Certified Registered in Colton, CA
About Renee Marie Simpson Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RENEE MARIE SIMPSON CRNA (NPI 1780114728) is an individual nurse anesthetist, certified registered in Colton, California, licensed in California (95000724) and active in the NPI registry since June 2017. She is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Renee Marie Simpson Crna 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
5Medicare enrollment records show Renee Simpson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Colton, CA 92324
- Reassigned Medicare billing, California enrollment
- 48 clinicians in this Medicare group
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 24 clinicians in this Medicare group
Thousand Oaks, CA 91361
- Reassigned Medicare billing, California enrollment
- 52 clinicians in this Medicare group
Chula Vista, CA 91911
- Reassigned Medicare billing, California enrollment
- 43 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92324 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
COLTON, CA 92324
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 Renee Simpson's NPI number?
The NPI number for Renee Simpson is 1780114728. It was assigned to this individual provider in the NPPES registry on June 13, 2017. The provider is also known as Renee Marie Thatcher.
Where is Renee Simpson located?
Renee Simpson practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-1000.
What is Renee Simpson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Renee Simpson enrolled in Medicare?
Yes. Renee Simpson 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 Renee Simpson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Renee Simpson reassigns Medicare benefits to 5 organizations: Inland Empire Anesthesia Medical Group, Inc (Colton, CA), Lgibson Anesthesia Inc (Rancho Cucamonga, CA), Liberty Anesthesia Consultants LLC (Murrieta, CA), Concierge Anesthesia (Thousand Oaks, CA) and Samantha Polikowski Anesthesia Inc (Chula Vista, CA). 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 Renee Simpson'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 Renee Simpson was last updated on October 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Renee Marie Simpson, CRNA · NPI 1780114728
Nurse Anesthetist, Certified Registered physician in Colton, California. Individual provider, active in the CMS NPPES registry since June 13, 2017.
## Identity
- **NPI:** 1780114728 (Entity type: Individual)
- **Enumerated:** June 13, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95000724 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 N PEPPER AVE, Colton, CA 92324-1801
- **Phone:** (909) 580-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Inland Empire Anesthesia Medical Group, Inc (NPI 1861502841, Colton, CA); Lgibson Anesthesia Inc (NPI 1417473323, Rancho Cucamonga, CA); Liberty Anesthesia Consultants LLC (NPI 1518626258, Murrieta, CA); Concierge Anesthesia (NPI 1447726997, Thousand Oaks, CA); Samantha Polikowski Anesthesia Inc (NPI 1851157028, Chula Vista, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** October 14, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1780114728) · Data from the CMS NPPES public registry.