AI-XUAN L HOLTERMAN M.D.
NPI 1649228032
Surgery - Pediatric Surgery in Chicago, IL
About Ai-xuan L Holterman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AI-XUAN L HOLTERMAN M.D. (NPI 1649228032) is an individual pediatric surgery provider in Chicago, Illinois, licensed in Indiana (01057253) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ai-xuan L Holterman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ai-xuan Holterman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockford, IL 61114
- Reassigned Medicare billing, Illinois enrollment
- 1,375 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.
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 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
CHICAGO, IL 60612
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 Ai-xuan Holterman's NPI number?
The NPI number for Ai-xuan Holterman is 1649228032. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Ai-xuan Holterman located?
Ai-xuan Holterman practices at 1725 W Harrison St Suite 818, Chicago, IL 60612. The listed phone number is (312) 942-5397.
What is Ai-xuan Holterman's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Pediatric Surgery, with taxonomy code 2086S0120X.
Is Ai-xuan Holterman enrolled in Medicare?
Yes. Ai-xuan Holterman is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ai-xuan Holterman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ai-xuan Holterman reassigns Medicare benefits to Rockford Health Physicians (Rockford, 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 Ai-xuan Holterman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ai-xuan Holterman was last updated on January 18, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Ai-Xuan L Holterman, M.D. · NPI 1649228032
Pediatric Surgery physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since May 5, 2006.
## Identity
- **NPI:** 1649228032 (Entity type: Individual)
- **Enumerated:** May 5, 2006
- **Primary specialty:** Surgery - Pediatric Surgery · taxonomy 2086S0120X
- **State license:** 01057253 (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1725 W HARRISON ST, SUITE 818, Chicago, IL 60612-3841
- **Phone:** (312) 942-5397
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rockford Health Physicians (NPI 1043242886, Rockford, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 18, 2017
- **Other identifiers:** Medicare ID-Type Unspecified L91510 (IL); Medicare UPIN F16996 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1649228032) · Data from the CMS NPPES public registry.