YAZEN ASSAF MD
NPI 1962938118
Surgery in Hobart, IN
About Yazen Assaf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YAZEN ASSAF MD (NPI 1962938118) is an individual surgery provider in Hobart, Indiana, licensed in Indiana (01089366A) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Insight Hospital And Medical Center Chicago, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Yazen Assaf Md 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 Yazen Assaf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St John, IN 46373
- Reassigned Medicare billing, Indiana enrollment
- 607 clinicians in this Medicare group
Chicago, IL 60616
- Reassigned Medicare billing, Illinois enrollment
- 354 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 10
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Insight Hospital And Medical Center Chicago
Acute Care Hospitals · Chicago, ILSt Mary Medical Center Inc
Acute Care Hospitals · Hobart, INCommunity Hospital
Acute Care Hospitals · Munster, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46342 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOBART, IN 46342
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 Yazen Assaf's NPI number?
The NPI number for Yazen Assaf is 1962938118. It was assigned to this individual provider in the NPPES registry on May 10, 2017.
Where is Yazen Assaf located?
Yazen Assaf practices at 1400 S Lake Park Ave Ste 200, Hobart, IN 46342. The listed phone number is (630) 656-8792.
What is Yazen Assaf's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Yazen Assaf enrolled in Medicare?
Yes. Yazen Assaf 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 Yazen Assaf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yazen Assaf reassigns Medicare benefits to 2 organizations: Community Care Network Inc (St John, IN) and Insight Chicago, Inc. (Chicago, IL). 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 Yazen Assaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yazen Assaf accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield list Yazen Assaf 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 Yazen Assaf affiliated with any hospitals?
According to CMS data, Yazen Assaf is affiliated with Insight Hospital And Medical Center Chicago, St Mary Medical Center Inc and Community Hospital.
When was this NPI record last updated?
The NPPES record for Yazen Assaf was last updated on July 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Yazen Assaf, MD · NPI 1962938118
Surgery physician in Hobart, Indiana. Individual provider, active in the CMS NPPES registry since May 10, 2017.
## Identity
- **NPI:** 1962938118 (Entity type: Individual)
- **Enumerated:** May 10, 2017
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 01089366A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1400 S LAKE PARK AVE STE 200, Hobart, IN 46342-6790
- **Phone:** (630) 656-8792
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Community Care Network Inc (NPI 1457610487, St John, IN); Insight Chicago, Inc. (NPI 1881261006, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1962938118) · Data from the CMS NPPES public registry.