Quick answers
- Where does Kathleen B. Sullivan see patients?
- Medicare's clinician data lists 1 practice location in Laguna Hills, CA. Call before your visit to confirm the address.
- What is Kathleen B. Sullivan's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Kathleen B. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Kathleen B. Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Kathleen B. Sullivan?
- (949) 837-4500, as listed in official Medicare / NPI Registry data.
- What is Kathleen B. Sullivan's NPI number?
- 1144244476. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Kathleen B. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 24451 Health Ctr Dr, Suite 104Laguna Hills, CA 92653 (949) 837‑4500
Group practices
Medicare enrollment lists Kathleen B. Sullivan as a member of this group (CMS data updated 2026-10-02).
- California Anesthesia Associates Medical Group Inc49 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Laguna Hills
Clinicians with the same Medicare primary specialty in Laguna Hills, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Stanford University School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144244476 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians