WILLIAM PERKINS
NPI 1053195685
Nurse Anesthetist, Certified Registered in San Bernardino, CA
About William Perkins NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM PERKINS (NPI 1053195685) is an individual nurse anesthetist, certified registered in San Bernardino, California, licensed in California (95067381) and active in the NPI registry since August 2023. He is a graduate of Other (2023).
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
William Perkins 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
2Medicare enrollment records show William Perkins reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
Crescent City, CA 95531
- Reassigned Medicare billing, California enrollment
- 134 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 92404 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.
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
SAN BERNARDINO, CA 92404
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 William Perkins's NPI number?
The NPI number for William Perkins is 1053195685. It was assigned to this individual provider in the NPPES registry on August 23, 2023.
Where is William Perkins located?
William Perkins practices at 2101 N Waterman Ave, San Bernardino, CA 92404. The listed phone number is (909) 883-8711.
What is William Perkins's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is William Perkins enrolled in Medicare?
Yes. William Perkins 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 William Perkins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Perkins reassigns Medicare benefits to 2 organizations: Palm Springs Anesthesia Services, PC (San Bernardino, CA) and Sda Services Of Ca (Crescent City, 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 William Perkins'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 William Perkins was last updated on August 23, 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.