DR. MAUREEN ELIZABETH LI M.D.
NPI 1083868152
Anesthesiology in Anaheim, CA

Active since November 15, 2008PECOS EnrolledAccepts Medicare Assignment
1211 W LA PALMA AVE STE 301, ANAHEIM, CA 92801(760) 419-0687 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Maureen Elizabeth Li M.d. NPPES

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

DR. MAUREEN ELIZABETH LI M.D. (NPI 1083868152) is an individual anesthesiology provider in Anaheim, California, licensed in California (A99565) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS and is a graduate of Drexel University College Of Medicine (2005).

NPPES Registry Identity

NPI1083868152
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. MAUREEN ELIZABETH LICredential: M.D.
Location Address1211 W LA PALMA AVE STE 301Anaheim, CA 92801-2811
Mailing AddressPo Box 5486Orange, CA 92863-5486 · (818) 550-0900
Sole ProprietorYes
Medical School CMSDrexel University College Of MedicineGraduated 2005
Enumeration DateNovember 15, 2008
Last NPPES UpdateApril 17, 2025
NPPES CertifiedApril 17, 2025
✔ NPI 1083868152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A99565
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.
1211 W LA PALMA AVE STE 301, Anaheim, CA 92801

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. Maureen Elizabeth Li 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 ID6608915152
PECOS Enrollment IDI20091123000613
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

5

Medicare enrollment records show Maureen Li reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
1211 W LA PALMA AVE STE 301
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
  • 3 clinicians in this Medicare group
Anesthesiology
1211 W LA PALMA AVE STE 301
Anaheim, CA 92801
  • Reassigned Medicare billing, California enrollment
Anesthesiology
100 W CALIFORNIA BLVD
Pasadena, CA 91105
  • Reassigned Medicare billing, California enrollment
  • 214 clinicians in this Medicare group
Ambulatory Surgical
23164 VENTURA BLVD
Woodland Hills, CA 91364
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
Foot & Ankle Surgery
23164 VENTURA BLVD
Woodland Hills, CA 91364
  • Reassigned Medicare billing, California enrollment
  • 6 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.

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 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.
12 services12 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.
12 services12 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.

Anesthesiology
1211 W LA PALMA AVE STE 301
ANAHEIM, CA 92801
Anesthesiology
1211 W LA PALMA AVE STE 301
ANAHEIM, CA 92801
Anesthesiology
1211 W LA PALMA AVE STE 301
ANAHEIM, CA 92801
Anesthesiology
1211 W LA PALMA AVE STE 301
ANAHEIM, CA 92801
Anesthesiology
1211 W LA PALMA AVE STE 301
ANAHEIM, CA 92801

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 Maureen Li's NPI number?

The NPI number for Maureen Li is 1083868152. It was assigned to this individual provider in the NPPES registry on November 15, 2008.

Where is Maureen Li located?

Maureen Li practices at 1211 W La Palma Ave Ste 301, Anaheim, CA 92801. The listed phone number is (760) 419-0687.

What is Maureen Li's specialty?

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

Is Maureen Li enrolled in Medicare?

Yes. Maureen Li 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 Maureen Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maureen Li reassigns Medicare benefits to 5 organizations: Daydream Anesthesiology, Inc (Anaheim, CA), Maureen Elizabeth Li Medical Corporation (Anaheim, CA), Pacific Valley Medical Group (Pasadena, CA), Cutting Edge Surgical Institute, Inc (Woodland Hills, CA) and International Center For Minimally Invasive Foot Surgery (Woodland Hills, 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 Maureen Li'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 Maureen Li was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.