DAVID ZULL MD
NPI 1265582530
Emergency Medicine in Chicago, IL
About David Zull Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID ZULL MD (NPI 1265582530) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036-056274) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Northwestern University Feinberg Medical School (1976).
NPPES Registry Identity
Specialties & Licenses
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
David Zull 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
4Medicare enrollment records show David Zull reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 4,817 clinicians in this Medicare group
Waukegan, IL 60085
- Reassigned Medicare billing, Illinois enrollment
- 91 clinicians in this Medicare group
Waukegan, IL 60085
- Reassigned Medicare billing, Illinois enrollment
- 166 clinicians in this Medicare group
Miami Lakes, FL 33014
- Reassigned Medicare billing, Illinois enrollment
- 54 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Memorial Hospital
Acute Care Hospitals · Chicago, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
CHICAGO, IL 60611
CHICAGO, IL 60611
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 David Zull's NPI number?
The NPI number for David Zull is 1265582530. It was assigned to this individual provider in the NPPES registry on January 11, 2007.
Where is David Zull located?
David Zull practices at 680 N Lake Shore Dr Suite 1000, Chicago, IL 60611. The listed phone number is (312) 695-9797.
What is David Zull's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is David Zull enrolled in Medicare?
Yes. David Zull 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 David Zull's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Zull reassigns Medicare benefits to 4 organizations: Northwestern Medical Faculty Foundation (Carol Stream, IL), App Of Illinois Ed PLLC (Waukegan, IL), Waukegan Clinic Corp (Waukegan, IL) and Vital Health Partners LLC (Miami Lakes, FL). 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 David Zull's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Zull accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list David Zull 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 David Zull affiliated with any hospitals?
According to CMS data, David Zull is affiliated with Northwestern Memorial Hospital.
When was this NPI record last updated?
The NPPES record for David Zull was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# David Zull, MD · NPI 1265582530
Emergency Medicine physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since January 11, 2007.
## Identity
- **NPI:** 1265582530 (Entity type: Individual)
- **Enumerated:** January 11, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 036-056274 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 680 N LAKE SHORE DR, SUITE 1000, Chicago, IL 60611-4546
- **Phone:** (312) 695-9797
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Northwestern Medical Faculty Foundation (NPI 1346235314, Carol Stream, IL); App Of Illinois Ed PLLC (NPI 1053860080, Waukegan, IL); Waukegan Clinic Corp (NPI 1306937289, Waukegan, IL); Vital Health Partners LLC (NPI 1043101207, Miami Lakes, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 1976
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN C43746
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Source: [NPI Profile](https://npiprofile.com/npi/1265582530) · Data from the CMS NPPES public registry.