DR. CORNELIA MUEHLHAUSER M.D.
NPI 1598867467
Anesthesiology in Newport Beach, CA

Active since September 02, 2006PECOS Enrolled
3333 W COAST HWY, STE 100, NEWPORT BEACH, CA 92663(818) 550-0900(505) 293-1524 Get Directions Write a Review

NPPES record last updated: March 24, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Cornelia Muehlhauser M.d. NPPES

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

DR. CORNELIA MUEHLHAUSER M.D. (NPI 1598867467) is an individual anesthesiology provider in Newport Beach, California, licensed in California (G61148) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598867467
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. CORNELIA MUEHLHAUSERCredential: M.D.
Location Address3333 W COAST HWY, STE 100Newport Beach, CA 92663-4036
Mailing AddressPo Box 5486Orange, CA 92863-5486 · (818) 550-0900 · Fax (505) 293-1524
Fax(505) 293-1524
Sole ProprietorNo
Enumeration DateSeptember 2, 2006
Last NPPES UpdateMarch 24, 2011
✔ NPI 1598867467 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · G61148
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.
3333 W COAST HWY, Newport Beach, CA 92663

Other Identifiers 2

Medicare UPINE67723CA
MedicaidOOG588180CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cornelia Muehlhauser M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Cornelia Muehlhauser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
23961 CALLE DE LA MAGDALENA, SUITE 541
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 20 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 3

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.
250 services236 patients
Anesthesia for procedure on eyelid 00103
Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.
20 services19 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.
11 services11 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.

Family Medicine
3333 W COAST HWY, SUITE 500
NEWPORT BEACH, CA 92663
Family Medicine
3333 W COAST HWY, # 500
NEWPORT BEACH, CA 92663
Clinic/Center (Ambulatory Surgical)
3333 W COAST HWY, SUITE 100
NEWPORT BEACH, CA 92663
Hospitalist
3333 W COAST HWY, STE. 530
NEWPORT BEACH, CA 92663
Anesthesiology
3333 W COAST HWY, STE 100
NEWPORT BEACH, CA 92663

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 Cornelia Muehlhauser's NPI number?

The NPI number for Cornelia Muehlhauser is 1598867467. It was assigned to this individual provider in the NPPES registry on September 2, 2006.

Where is Cornelia Muehlhauser located?

Cornelia Muehlhauser practices at 3333 W Coast Hwy Ste 100, Newport Beach, CA 92663. The listed phone number is (818) 550-0900.

What is Cornelia Muehlhauser's specialty?

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

Is Cornelia Muehlhauser enrolled in Medicare?

Yes. Cornelia Muehlhauser is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Cornelia Muehlhauser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cornelia Muehlhauser reassigns Medicare benefits to West Coast Anesthesia Inc A Medical Group (Laguna Hills, 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 Cornelia Muehlhauser'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 Cornelia Muehlhauser was last updated on March 24, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.