WILLIAM PERKINS
NPI 1053195685
Nurse Anesthetist, Certified Registered in San Bernardino, CA

Active since August 23, 2023Accepts Medicare Assignment
2101 N WATERMAN AVE, SAN BERNARDINO, CA 92404(909) 883-8711 Get Directions Write a Review

NPPES record last updated: August 23, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1053195685
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameWILLIAM PERKINS
Location Address2101 N WATERMAN AVESan Bernardino, CA 92404-4836
Mailing Address5778 Christopher StSan Bernardino, CA 92407-2282 · (951) 966-6705
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateAugust 23, 2023
NPPES CertifiedAugust 23, 2023
✔ NPI 1053195685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 95067381
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
2101 N WATERMAN AVE, San Bernardino, CA 92404

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.

PECOS PAC ID345771770
PECOS Enrollment IDI20241009001118

Medicare Billing Reassignments

2

Medicare 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.

Anesthesiology
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 270 clinicians in this Medicare group
Anesthesiology
800 E WASHINGTON BLVD
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.

New Patient
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant (Medical)
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Student in an Organized Health Care Education/Training Program
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Student in an Organized Health Care Education/Training Program
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Physician Assistant
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Pharmacy Technician
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Student in an Organized Health Care Education/Training Program
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Emergency Medicine
2101 N WATERMAN AVE
SAN BERNARDINO, CA 92404
Anesthesiology
2101 N WATERMAN AVE
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.