MATTHEW T TALLAR M.D.
NPI 1376785691
Allergy & Immunology in Milwaukee, WI
About Matthew T Tallar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW T TALLAR M.D. (NPI 1376785691) is an individual allergy & immunology provider in Milwaukee, Wisconsin, licensed in Wisconsin (55777) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Childrens Hospital Of Wisconsin, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Matthew T Tallar M.d. 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
2Medicare enrollment records show Matthew Tallar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Childrens Specialty Group Inc
- 424 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
Childrens Hospital Of Wisconsin
Childrens · Milwaukee, WIMedicare 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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Matthew Tallar's NPI number?
The NPI number for Matthew Tallar is 1376785691. It was assigned to this individual provider in the NPPES registry on April 1, 2009.
Where is Matthew Tallar located?
Matthew Tallar practices at 9000 W Wisconsin Ave Pediatric Allergy And Immunology, Milwaukee, WI 53226. The listed phone number is (414) 266-6840.
What is Matthew Tallar's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Matthew Tallar enrolled in Medicare?
Yes. Matthew Tallar 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 Matthew Tallar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Tallar reassigns Medicare benefits to 2 organizations: Children's Specialty Group, Inc. (Milwaukee, WI) and The Medical College Of Wisconsin, Inc. (Milwaukee, WI). 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 Matthew Tallar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Tallar accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and UnitedHealthcare list Matthew Tallar 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 Matthew Tallar affiliated with any hospitals?
According to CMS data, Matthew Tallar is affiliated with Childrens Hospital Of Wisconsin.
When was this NPI record last updated?
The NPPES record for Matthew Tallar was last updated on March 13, 2024. 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.
# Matthew T Tallar, M.D. · NPI 1376785691
Allergy & Immunology physician in Milwaukee, Wisconsin. Individual provider, active in the CMS NPPES registry since April 1, 2009.
## Identity
- **NPI:** 1376785691 (Entity type: Individual)
- **Enumerated:** April 1, 2009
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 55777 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 9000 W WISCONSIN AVE, PEDIATRIC ALLERGY AND IMMUNOLOGY, Milwaukee, WI 53226-4874
- **Phone:** (414) 266-6840 · **Fax:** (414) 266-6437
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Specialty Group, Inc. (NPI 1942970405, Milwaukee, WI); The Medical College Of Wisconsin, Inc. (NPI 1699720086, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2009
## Record status
- **NPPES last updated:** March 13, 2024
- **Other identifiers:** Medicaid 1376785691 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1376785691) · Data from the CMS NPPES public registry.