MRS. KAREN ROTHSCHILD-DUNST CRNA
NPI 1154529550
Nurse Anesthetist, Certified Registered in Fontana, CA

Active since July 06, 2007Accepts Medicare Assignment
KAISER PERMANENTE HOSPITAL, 9985 SIERRA AVE, FONTANA, CA 92335(909) 427-7162 Get Directions Write a Review

NPPES record last updated: October 23, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Karen Rothschild-dunst Crna NPPES

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

MRS. KAREN ROTHSCHILD-DUNST CRNA (NPI 1154529550) is an individual nurse anesthetist, certified registered in Fontana, California, licensed in California (1149) and active in the NPI registry since July 2007. She is a graduate of Other (1986).

NPPES Registry Identity

NPI1154529550
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMRS. KAREN ROTHSCHILD-DUNSTCredential: CRNA
Location AddressKAISER PERMANENTE HOSPITAL, 9985 SIERRA AVEFontana, CA 92335
Mailing Address1527 Lemon AveBradbury, CA 91008-1030 · (909) 427-7162
Sole ProprietorYes
Medical School CMSOtherGraduated 1986
Enumeration DateJuly 6, 2007
Last NPPES UpdateOctober 23, 2021
NPPES CertifiedOctober 23, 2021
✔ NPI 1154529550 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 · 1149
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.
KAISER PERMANENTE HOSPITAL, Fontana, CA 92335

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

Mrs. Karen Rothschild-dunst 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 ID2860434842
PECOS Enrollment IDI20050531001035

Medicare Billing Reassignment

Medicare enrollment records show Karen Rothschild-dunst reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
9961 SIERRA AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • 5,228 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.

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.

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 Karen Rothschild-dunst's NPI number?

The NPI number for Karen Rothschild-dunst is 1154529550. It was assigned to this individual provider in the NPPES registry on July 6, 2007.

Where is Karen Rothschild-dunst located?

Karen Rothschild-dunst practices at Kaiser Permanente Hospital 9985 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-7162.

What is Karen Rothschild-dunst's specialty?

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

Is Karen Rothschild-dunst enrolled in Medicare?

Yes. Karen Rothschild-dunst 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 organization bills Medicare for Karen Rothschild-dunst's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Rothschild-dunst reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, CA). The 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 Karen Rothschild-dunst'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 Karen Rothschild-dunst was last updated on October 23, 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.