JASON CHARLES WILLIAMS RN CRNA
NPI 1821154949
Nurse Anesthetist, Certified Registered in Santa Clara, CA

Q: What is Jason Williams's NPI number?

The NPI number for Jason Williams is 1821154949. It was assigned to this individual provider in the NPPES registry on January 1, 2007.

Q: What is Jason Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Jason Williams was last updated on December 30, 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.

Active since January 01, 2007PECOS EnrolledAccepts Medicare Assignment

900 KIELY BLVD, SANTA CLARA, CA 95051(408) 236-5742 Get Directions Write a Review

NPPES record last updated: December 30, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Jason Charles Williams Rn Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JASON CHARLES WILLIAMS RN CRNA (NPI 1821154949) is an individual nurse anesthetist, certified registered in Santa Clara, California, licensed in California (541396) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with North Memorial Health Hospital, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1821154949

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameJASON CHARLES WILLIAMSCredential: RN CRNA

Location Address900 KIELY BLVDSanta Clara, CA 95051-5329

Mailing AddressPo Box 3704Carmel, CA 93921-3704 · (831) 621-1706

Phone(408) 236-5742

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateJanuary 1, 2007

Last NPPES UpdateDecember 30, 2021

NPPES CertifiedDecember 30, 2021

✔ NPI 1821154949 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 · 541396

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.

900 KIELY BLVD, Santa Clara, CA 95051

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

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

Jason Charles Williams Rn 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.

PECOS PAC ID4486636362

PECOS Enrollment IDI20250213002441, I20260306001944

Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Jason Williams reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc

1.1 mi

Internal Medicine

710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1073606299 (408) 851-1000

Sedaze Anesthesia Consultants A Professional Nursing Corporation

25 mi

Nurse Anesthetist, Certified Registered

20998 REDWOOD RD
Castro Valley, CA 94546

Reassigned Medicare billing, California enrollment
45 clinicians in this Medicare group

NPI 1366209629 (510) 576-8500

Mai Nursing Anesthesia PC

39 mi

Anesthesiology

88 SUTTER ST
San Francisco, CA 94104

Reassigned Medicare billing, California enrollment
94 clinicians in this Medicare group

NPI 1003572769 (628) 777-7064

Santa Rosa Surgical Services LLC

86 mi

Ambulatory Surgical

1739 4TH ST
Santa Rosa, CA 95404

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1497407894 (707) 931-5599

Poudre Valley Medical Group, LLC

938 mi

General Practice

2695 ROCKY MOUNTAIN AVE STE 110
Loveland, CO 80538

Reassigned Medicare billing, Colorado enrollment
2,596 clinicians in this Medicare group

NPI 1225356868 (970) 624-4443

Anesthesiology, P.A.

1,575 mi

Anesthesiology

3300 OAKDALE AVE N
Robbinsdale, MN 55422

Reassigned Medicare billing, Minnesota enrollment
246 clinicians in this Medicare group

NPI 1013960798 (763) 520-5370

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 2

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.

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

117 services108 patients

Anesthesia for other procedure on eye 00140

Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.

15 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Memorial Health Hospital

Acute Care Hospitals · Robbinsdale, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240001

Location3300 Oakdale NorthRobbinsdale, MN 55422 · Hennepin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95051 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

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

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.

MS. MARY JULIE DIGERONIMO OTR

Occupational Therapist