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DR. LILLIAN KIM LEE M.D.
NPI 1922276096
Anesthesiology in Mission Viejo, CA

Active since February 12, 2008PECOS EnrolledAccepts Medicare Assignment
26522 LA ALAMEDA STE 370, MISSION VIEJO, CA 92691(949) 600-7864 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Lillian Kim Lee M.d. NPPES

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

DR. LILLIAN KIM LEE M.D. (NPI 1922276096) is an individual anesthesiology provider in Mission Viejo, California, licensed in California (A100719) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of Loma Linda University School Of Medicine (2006).

NPPES Registry Identity

NPI1922276096
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. LILLIAN KIM LEECredential: M.D.
Location Address26522 LA ALAMEDA STE 370Mission Viejo, CA 92691-6330
Mailing Address26522 La Alameda Ste 370Mission Viejo, CA 92691-6330 · (949) 600-7864
Phone(949) 600-7864
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2006
Enumeration DateFebruary 12, 2008
Last NPPES UpdateMarch 17, 2018
✔ NPI 1922276096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CA · A100719✔ Licensed in OR · MD155857
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
26522 LA ALAMEDA STE 370, Mission Viejo, CA 92691
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Secondary Practice Location 1

Location 1707 SW Washington St, Suite 700Portland, OR 97205-3536 · Phone (503) 299-9906 · Fax (503) 225-9002

Other Identifiers 1

Medicaid500644448OR

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

Dr. Lillian Kim Lee M.d. 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 ID5799974366
PECOS Enrollment IDI20110112001023
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

2

Medicare enrollment records show Lillian Lee reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Western Anesthesia Medical Associates Inc
0.2 mi
Anesthesiology
27700 MEDICAL CENTER RD
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 56 clinicians in this Medicare group
NPI 1497796320 (949) 364-1400
Orange Coast Anesthesia Inc
18 mi
Anesthesiology
2601 E CHAPMAN AVE
Orange, CA 92869
  • Reassigned Medicare billing, California enrollment
  • 168 clinicians in this Medicare group
NPI 1508138256 (714) 633-0011

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 4

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 other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
32 services32 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
27 services27 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
21 services21 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
19 services19 patients

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ELLE R KAPLAN MD
Anesthesiology
26522 LA ALAMEDA STE 370
MISSION VIEJO, CA 92691
Orange County (949) 600-7864
DUSTIN EVERETT SINGER MD
Anesthesiology
26522 LA ALAMEDA STE 370
MISSION VIEJO, CA 92691
Orange County (949) 600-7864
GRETA JO
Anesthesiology
26522 LA ALAMEDA STE 370
MISSION VIEJO, CA 92691
Orange County (949) 600-7864
DR. ERIN NICOLE CRAWFORD M.D.
Anesthesiology
26522 LA ALAMEDA STE 370
MISSION VIEJO, CA 92691
Orange County (949) 600-7864
MARSHA KRISTEL BERNARDO MD
Anesthesiology
26522 LA ALAMEDA STE 370
MISSION VIEJO, CA 92691
Orange County (949) 600-7864

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 Lillian Lee's NPI number?

The NPI number for Lillian Lee is 1922276096. It was assigned to this individual provider in the NPPES registry on February 12, 2008.

Where is Lillian Lee located?

Lillian Lee practices at 26522 La Alameda Ste 370, Mission Viejo, CA 92691. The listed phone number is (949) 600-7864.

What is Lillian Lee's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Lillian Lee enrolled in Medicare?

Yes. Lillian Lee 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 Lillian Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Lee reassigns Medicare benefits to 2 organizations: Western Anesthesia Medical Associates Inc (Mission Viejo, CA) and Orange Coast Anesthesia Inc (Orange, 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 Lillian Lee'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 Lillian Lee was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.