DR. PHILLIP ZARET M.D.
NPI 1851387120
Surgery in Libertyville, IL
About Dr. Phillip Zaret M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILLIP ZARET M.D. (NPI 1851387120) is an individual surgery provider in Libertyville, Illinois, licensed in Illinois (036-060541) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Francis Hospital, and maintains a secondary practice location in Libertyville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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. Phillip Zaret 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.
Medicare Billing Reassignment
Medicare enrollment records show Phillip Zaret reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Advocate Health And Hospitals Corporation
- 4,870 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 8
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Presence Saint Francis Hospital
Acute Care Hospitals · Evanston, ILAdvocate Condell Medical Center
Acute Care Hospitals · Libertyville, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60048 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.
LIBERTYVILLE, IL 60048
LIBERTYVILLE, IL 60048
LIBERTYVILLE, IL 60048
LIBERTYVILLE, IL 60048
LIBERTYVILLE, IL 60048
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 Phillip Zaret's NPI number?
The NPI number for Phillip Zaret is 1851387120. It was assigned to this individual provider in the NPPES registry on September 22, 2005.
Where is Phillip Zaret located?
Phillip Zaret practices at 114 W Rockland Rd, Libertyville, IL 60048. The listed phone number is (847) 353-8802.
What is Phillip Zaret's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Phillip Zaret enrolled in Medicare?
Yes. Phillip Zaret 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 organization bills Medicare for Phillip Zaret's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Zaret reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, IL). 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 Phillip Zaret's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Phillip Zaret accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Phillip Zaret as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Phillip Zaret affiliated with any hospitals?
According to CMS data, Phillip Zaret is affiliated with Presence Saint Francis Hospital and Advocate Condell Medical Center.
When was this NPI record last updated?
The NPPES record for Phillip Zaret was last updated on June 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Phillip Zaret, M.D. · NPI 1851387120
Surgery physician in Libertyville, Illinois. Individual provider, active in the CMS NPPES registry since September 22, 2005.
## Identity
- **NPI:** 1851387120 (Entity type: Individual)
- **Enumerated:** September 22, 2005
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 036-060541 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 114 W ROCKLAND RD, Libertyville, IL 60048-2700
- **Phone:** (847) 353-8802 · **Fax:** (847) 316-7086
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Lutheran General Hospital (NPI 1801809306, Park Ridge, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Illinois College Of Med, class of 1978
## Record status
- **NPPES last updated:** June 15, 2022
- **Other identifiers:** Medicaid 036-060541-2 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1851387120) · Data from the CMS NPPES public registry.