DR. ZEE SHAN CHATTHA
NPI 1841995735
Internal Medicine in Milwaukee, WI
About Dr. Zee Shan Chattha NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZEE SHAN CHATTHA (NPI 1841995735) is an individual internal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (85983) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Zee Shan Chattha 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 Zee Chattha reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53233 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.
MILWAUKEE, WI 53233
MILWAUKEE, WI 53233
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 Zee Chattha's NPI number?
The NPI number for Zee Chattha is 1841995735. It was assigned to this individual provider in the NPPES registry on April 3, 2023. The provider is also known as Zeeshan Chattha.
Where is Zee Chattha located?
Zee Chattha practices at 945 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-7136.
What is Zee Chattha's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Zee Chattha enrolled in Medicare?
Yes. Zee Chattha 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 Zee Chattha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zee Chattha reassigns Medicare benefits to Aurora Medical Group, Inc. (Milwaukee, WI). 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 Zee Chattha's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Zee Chattha accept?
Health plans from CareSource (Common Ground Healthcare) list Zee Chattha 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 Zee Chattha affiliated with any hospitals?
According to CMS data, Zee Chattha is affiliated with Aurora St Lukes Medical Center.
When was this NPI record last updated?
The NPPES record for Zee Chattha was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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. Zee Shan Chattha · NPI 1841995735
Internal Medicine physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since April 3, 2023.
## Identity
- **NPI:** 1841995735 (Entity type: Individual)
- **Enumerated:** April 3, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 85983 (Wisconsin)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 945 N 12TH ST, Milwaukee, WI 53233-1305
- **Phone:** (414) 219-7136
## 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:** Aurora Medical Group, Inc. (NPI 1427271378, Milwaukee, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 9, 2026
- **Other identifiers:** Medicaid 100333660 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1841995735) · Data from the CMS NPPES public registry.