JACOB ANDREW KAISER
NPI 1306336367
Hospitalist in Winfield, IL
About Jacob Andrew Kaiser NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB ANDREW KAISER (NPI 1306336367) is an individual hospitalist provider in Winfield, Illinois, licensed in Illinois (036.166883) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Delnor Community Hospital, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Jacob Andrew Kaiser 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 Jacob Kaiser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Carol Stream, IL 60122
- Reassigned Medicare billing, Illinois enrollment
- 1,664 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwestern Medicine Delnor Community Hospital
Acute Care Hospitals · Geneva, ILNorthwestern Medicine Central Dupage Hospital
Acute Care Hospitals · Winfield, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60190 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINFIELD, IL 60190
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 Jacob Kaiser's NPI number?
The NPI number for Jacob Kaiser is 1306336367. It was assigned to this individual provider in the NPPES registry on May 15, 2018.
Where is Jacob Kaiser located?
Jacob Kaiser practices at 25 N Winfield Rd, Winfield, IL 60190. The listed phone number is (630) 933-1600.
What is Jacob Kaiser's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Jacob Kaiser enrolled in Medicare?
Yes. Jacob Kaiser 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 Jacob Kaiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Kaiser reassigns Medicare benefits to Central Dupage Physician Group (Carol Stream, 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 Jacob Kaiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jacob Kaiser affiliated with any hospitals?
According to CMS data, Jacob Kaiser is affiliated with Northwestern Medicine Delnor Community Hospital and Northwestern Medicine Central Dupage Hospital.
When was this NPI record last updated?
The NPPES record for Jacob Kaiser was last updated on December 13, 2023. 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.
# Jacob Andrew Kaiser · NPI 1306336367
Hospitalist physician in Winfield, Illinois. Individual provider, active in the CMS NPPES registry since May 15, 2018.
## Identity
- **NPI:** 1306336367 (Entity type: Individual)
- **Enumerated:** May 15, 2018
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 036.166883 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 25 N WINFIELD RD, Winfield, IL 60190-1379
- **Phone:** (630) 933-1600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Central Dupage Physician Group (NPI 1033149844, Carol Stream, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** December 13, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1306336367) · Data from the CMS NPPES public registry.