WILLY CALINGASAN CRNA
NPI 1952502833
Nurse Anesthetist, Certified Registered in Fontana, CA
About Willy Calingasan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLY CALINGASAN CRNA (NPI 1952502833) is an individual nurse anesthetist, certified registered in Fontana, California, licensed in California (NA3454) and active in the NPI registry since May 2007. He is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
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
Willy Calingasan 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 Willy Calingasan reassigns Medicare billing to 5 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
- Also billed through NPI 1952333460 (California)
- 5,228 clinicians in this Medicare group
Monterey Park, CA 91755
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Lightning Anesthesia Nursing Services PC
- 20 clinicians in this Medicare group
Beverly Hills, CA 90211
- Reassigned Medicare billing, California enrollment
- 88 clinicians in this Medicare group
Beverly Hills, CA 90210
- Reassigned Medicare billing, California enrollment
- 57 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 36 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 Willy Calingasan's NPI number?
The NPI number for Willy Calingasan is 1952502833. It was assigned to this individual provider in the NPPES registry on May 30, 2007.
Where is Willy Calingasan located?
Willy Calingasan practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-3910.
What is Willy Calingasan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Willy Calingasan enrolled in Medicare?
Yes. Willy Calingasan 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 Willy Calingasan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Willy Calingasan reassigns Medicare benefits to 5 organizations: Southern California Permanente Medical Group (Fontana, CA), Lightning Anesthesia Nursing Services, P.C. (Monterey Park, CA), Tip Top Anesthesia Group Inc (Beverly Hills, CA), Precision Anesthesia Group Inc (Beverly Hills, CA) and Credence Anesthesia Corporation (Oxnard, 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 Willy Calingasan'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 Willy Calingasan was last updated on December 6, 2021. 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.
# Willy Calingasan, CRNA · NPI 1952502833
Nurse Anesthetist, Certified Registered physician in Fontana, California. Individual provider, active in the CMS NPPES registry since May 30, 2007.
## Identity
- **NPI:** 1952502833 (Entity type: Individual)
- **Enumerated:** May 30, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** NA3454 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (909) 427-3910
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA); Lightning Anesthesia Nursing Services, P.C. (NPI 1710672316, Monterey Park, CA); Tip Top Anesthesia Group Inc (NPI 1508283698, Beverly Hills, CA); Precision Anesthesia Group Inc (NPI 1205253929, Beverly Hills, CA); Credence Anesthesia Corporation (NPI 1881381002, Oxnard, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** December 6, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1952502833) · Data from the CMS NPPES public registry.