ANNA ALLEY CRNA
NPI 1518399732
Nurse Anesthetist, Certified Registered in Ontario, CA
About Anna Alley Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA ALLEY CRNA (NPI 1518399732) is an individual nurse anesthetist, certified registered in Ontario, California, licensed in California (4441) and active in the NPI registry since July 2013. She is a graduate of Other (2013).
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
Anna Alley 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
6Medicare enrollment records show Anna Alley reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Chino Hills, CA 91709
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1952333460 (California)
- 5,228 clinicians in this Medicare group
City Of Industry, CA 91748
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
Pasadena, CA 91105
- Reassigned Medicare billing, California enrollment
- 25 clinicians in this Medicare group
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, California enrollment
- 5 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
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 91761 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.
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 Anna Alley's NPI number?
The NPI number for Anna Alley is 1518399732. It was assigned to this individual provider in the NPPES registry on July 30, 2013.
Where is Anna Alley located?
Anna Alley practices at 2295 S Vineyard Ave, Ontario, CA 91761. The listed phone number is (909) 427-5000.
What is Anna Alley's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Anna Alley enrolled in Medicare?
Yes. Anna Alley 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 Anna Alley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Alley reassigns Medicare benefits to 6 organizations: Lgibson Anesthesia Inc (Rancho Cucamonga, CA), Southern California Permanente Medical Group (Chino Hills, CA), Surgical Anesthesia Medical Associates Inc (City Of Industry, CA), Regents Of The University Of (Orange, CA), Anesthesia Provider Group Inc (Pasadena, CA) and 1 more organization, listed in the Medicare section above. 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 Anna Alley'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 Anna Alley was last updated on July 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Anna Alley, CRNA · NPI 1518399732
Nurse Anesthetist, Certified Registered physician in Ontario, California. Individual provider, active in the CMS NPPES registry since July 30, 2013.
## Identity
- **NPI:** 1518399732 (Entity type: Individual)
- **Enumerated:** July 30, 2013
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4441 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2295 S VINEYARD AVE, Ontario, CA 91761-7925
- **Phone:** (909) 427-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Lgibson Anesthesia Inc (NPI 1417473323, Rancho Cucamonga, CA); Southern California Permanente Medical Group (NPI 1396287082, Chino Hills, CA); Surgical Anesthesia Medical Associates Inc (NPI 1104923358, City Of Industry, CA); Regents Of The University Of (NPI 1487602546, Orange, CA); Anesthesia Provider Group Inc (NPI 1538404256, Pasadena, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1518399732) · Data from the CMS NPPES public registry.