MONICA MARY ESSAK N.P.-C
NPI 1619202165
Nurse Practitioner in Newport Beach, CA
About Monica Mary Essak N.p.-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA MARY ESSAK N.P.-C (NPI 1619202165) is an individual nurse practitioner in Newport Beach, California, licensed in California (670263) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Monica Mary Essak N.p.-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.
Medicare Billing Reassignments
2Medicare enrollment records show Monica Essak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 684 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWPORT BEACH, CA 92660
NEWPORT BEACH, CA 92660
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 Monica Essak's NPI number?
The NPI number for Monica Essak is 1619202165. It was assigned to this individual provider in the NPPES registry on October 15, 2009.
Where is Monica Essak located?
Monica Essak practices at 2161 San Joaquin Hills Rd, Newport Beach, CA 92660. The listed phone number is (949) 386-5700.
What is Monica Essak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Monica Essak enrolled in Medicare?
Yes. Monica Essak 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 Monica Essak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Essak reassigns Medicare benefits to 2 organizations: Providence Facey Medical Foundation (Irvine, CA) and Uc Regents (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 Monica Essak'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 Monica Essak was last updated on January 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.