MS. LEEZETT ANDREA LOPEZ RN, BSN, PHN, CCRN
NPI 1235650672
Nurse Anesthetist, Certified Registered in Fontana, CA
About Ms. Leezett Andrea Lopez Rn, Bsn, Phn, Ccrn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LEEZETT ANDREA LOPEZ RN, BSN, PHN, CCRN (NPI 1235650672) is an individual nurse anesthetist, certified registered in Fontana, California, licensed in California (95001634) and active in the NPI registry since July 2017. She maintains a secondary practice location in Los Angeles and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Ms. Leezett Andrea Lopez Rn, Bsn, Phn, Ccrn 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
3Medicare enrollment records show Leezett Lopez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 55 clinicians in this Medicare group
Redlands, CA 92374
- Reassigned Medicare billing, California enrollment
- 35 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 92335 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.
FONTANA, CA 92335
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 Leezett Lopez's NPI number?
The NPI number for Leezett Lopez is 1235650672. It was assigned to this individual provider in the NPPES registry on July 6, 2017.
Where is Leezett Lopez located?
Leezett Lopez practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (833) 574-2273.
What is Leezett Lopez's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Leezett Lopez enrolled in Medicare?
Yes. Leezett Lopez 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 Leezett Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leezett Lopez reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Fontana, CA), Jp Anesthesia Inc (Fontana, CA) and Marquee Anesthesia Consultants Inc (Redlands, 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 Leezett Lopez'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 Leezett Lopez was last updated on March 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ms. Leezett Andrea Lopez, RN, BSN, PHN, CCRN · NPI 1235650672
Nurse Anesthetist, Certified Registered physician in Fontana, California. Individual provider, active in the CMS NPPES registry since July 6, 2017.
## Identity
- **NPI:** 1235650672 (Entity type: Individual)
- **Enumerated:** July 6, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 95001634 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (833) 574-2273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA); Jp Anesthesia Inc (NPI 1609590926, Fontana, CA); Marquee Anesthesia Consultants Inc (NPI 1760942619, Redlands, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 30, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1235650672) · Data from the CMS NPPES public registry.