ASHWIN UTTAM D.O.
NPI 1891948089
Hospitalist in Waukesha, WI
About Ashwin Uttam D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASHWIN UTTAM D.O. (NPI 1891948089) is an individual hospitalist provider in Waukesha, Wisconsin, licensed in Wisconsin (5629721) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS, is affiliated with Ascension St Francis Hospital, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
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 and accepts Medicare assignment
Ashwin Uttam D.o. 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
6Medicare enrollment records show Ashwin Uttam reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waukesha, WI 53188
- Reassigned Medicare billing, Wisconsin enrollment
- 81 clinicians in this Medicare group
Glendale, WI 53212
- Reassigned Medicare billing, Wisconsin enrollment
- 1,343 clinicians in this Medicare group
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Darien, WI 53114
- Reassigned Medicare billing, Wisconsin enrollment
- 194 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Francis Hospital
Acute Care Hospitals · Milwaukee, WIAscension All Saints Hospital
Acute Care Hospitals · Racine, WIAscension SE Wisconsin Hospital
Acute Care Hospitals · Milwaukee, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53188 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WAUKESHA, WI 53188
WAUKESHA, WI 53188
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 Ashwin Uttam's NPI number?
The NPI number for Ashwin Uttam is 1891948089. It was assigned to this individual provider in the NPPES registry on October 31, 2008.
Where is Ashwin Uttam located?
Ashwin Uttam practices at 725 American Ave Rm 2036 Phc Hospitalist Program, Waukesha, WI 53188. The listed phone number is (262) 928-5400.
What is Ashwin Uttam's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ashwin Uttam enrolled in Medicare?
Yes. Ashwin Uttam 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 Ashwin Uttam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashwin Uttam reassigns Medicare benefits to 6 organizations: Apogee Medical Group Waukesha, Sc (Waukesha, WI), Ascension Medical Group-Southeast Wisconsin Inc (Glendale, WI), Columbia St. Mary's Hospital Milwaukee Inc (Milwaukee, WI), Beloit Health System, Inc (Darien, WI), Mercy Health System Corporation (Janesville, WI) and 1 more organization, listed in the Medicare section above. 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 Ashwin Uttam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ashwin Uttam affiliated with any hospitals?
According to CMS data, Ashwin Uttam is affiliated with Ascension St Francis Hospital, Ascension All Saints Hospital and Ascension SE Wisconsin Hospital.
When was this NPI record last updated?
The NPPES record for Ashwin Uttam was last updated on May 8, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ashwin Uttam, D.O. · NPI 1891948089
Hospitalist physician in Waukesha, Wisconsin. Individual provider, active in the CMS NPPES registry since October 31, 2008.
## Identity
- **NPI:** 1891948089 (Entity type: Individual)
- **Enumerated:** October 31, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 5629721 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 AMERICAN AVE RM 2036, PHC HOSPITALIST PROGRAM, Waukesha, WI 53188-5031
- **Phone:** (262) 928-5400
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Apogee Medical Group Waukesha, Sc (NPI 1528544608, Waukesha, WI); Ascension Medical Group-Southeast Wisconsin Inc (NPI 1609881077, Glendale, WI); Columbia St. Mary's Hospital Milwaukee Inc (NPI 1225071491, Milwaukee, WI); Beloit Health System, Inc (NPI 1265575195, Darien, WI); Mercy Health System Corporation (NPI 1669685129, Janesville, WI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** May 8, 2012
- **Other identifiers:** Medicaid 1891948089 (WI); Medicare PIN 683750695
---
Source: [NPI Profile](https://npiprofile.com/npi/1891948089) · Data from the CMS NPPES public registry.