MARY ALESSI PA-C
NPI 1962711838
Physician Assistant in Irvine, CA
About Mary Alessi Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ALESSI PA-C (NPI 1962711838) is an individual physician assistant in Irvine, California, licensed in California (PA21093) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Westminster, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Alessi Pa-c 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.
Areas of Expertise CMS Part B claims 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92618 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92618
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 Mary Alessi's NPI number?
The NPI number for Mary Alessi is 1962711838. It was assigned to this individual provider in the NPPES registry on September 27, 2010.
Where is Mary Alessi located?
Mary Alessi practices at 1000 Fivepoint, Irvine, CA 92618. The listed phone number is (949) 671-8000.
What is Mary Alessi's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Mary Alessi enrolled in Medicare?
Yes. Mary Alessi 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.
When was this NPI record last updated?
The NPPES record for Mary Alessi was last updated on October 30, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
