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DR. WALTER BRUMMUND M.D.,PHD
NPI 1487708988
Allergy & Immunology - Clinical & Laboratory Immunology in Wauwatosa, WI

Active since January 22, 2007PECOS Enrolled
2500 N MAYFAIR RD, SUITE 220, WAUWATOSA, WI 53226(414) 475-9101(414) 475-9203 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Walter Brummund M.d.,phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WALTER BRUMMUND M.D.,PHD (NPI 1487708988) is an individual clinical & laboratory immunology provider in Wauwatosa, Wisconsin and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487708988
Entity TypeIndividualMale
Primary Taxonomy207KI0005X
Provider Legal NameDR. WALTER BRUMMUNDCredential: M.D.,PHD
Location Address2500 N MAYFAIR RD, SUITE 220Wauwatosa, WI 53226-1409
Mailing Address1701 Wedgewood Dr WElm Grove, WI 53122-1056
Phone(414) 475-9101
Fax(414) 475-9203
Sole ProprietorNo
Enumeration DateJanuary 22, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1487708988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · Clinical & Laboratory ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207KI0005X
Definition
An allergy and immunology physician who specializes in clinical and laboratory immunology disease management. Source: National Uniform Claim Committee, 2022 Additional Resources: A certification was, but is no longer, issued by the American Board of Allergy and Immunology.
Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X
2500 N MAYFAIR RD, Wauwatosa, WI 53226
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Other Identifiers 1

Medicaid30667400WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Quartz.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Walter Brummund M.d.,phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

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.

Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
73 services24 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
40 services35 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
39 services12 patients

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
4 suppliers11 claims11 services$25.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. TERRY S GRAVES M.D.
Allergy & Immunology
2500 N MAYFAIR RD, SUITE 220
WAUWATOSA, WI 53226
Milwaukee County (414) 475-9101
MARY SZCYGIEL OD
Optometrist
2500 N MAYFAIR RD
WAUWATOSA, WI 53226
Milwaukee County (414) 453-2866
DR. DAVID JAMES SIVERHUS M.D.
Orthopaedic Surgery (Hand Surgery)
2500 N MAYFAIR RD, SUITE 670
MILWAUKEE, WI 53226
Milwaukee County (414) 453-7418
DAVID W OLSON MD
Orthopaedic Surgery (Hand Surgery)
2500 N MAYFAIR RD, SUITE 670
MILWAUKEE, WI 53226
Milwaukee County (414) 453-7418
SEAN CARROLL TRACY MD
Orthopaedic Surgery
2500 N MAYFAIR RD, SUITE 500
WAUWATOSA, WI 53226
Milwaukee County (414) 257-2525
JAMES A CRANBERG M.D.
Allergy & Immunology (Allergy)
2500 N MAYFAIR RD, SUITE 220
WAUWATOSA, WI 53226
Milwaukee County (414) 475-9101
CARISSA L BRAUN OT
Occupational Therapist (Hand)
2500 N MAYFAIR RD, SUITE 570
MILWAUKEE, WI 53226
Milwaukee County (414) 453-7418
TAMMY A TRACY PT
Physical Therapist
2500 N MAYFAIR RD, SUITE 480
WAUWATOSA, WI 53226
Milwaukee County (414) 475-6043

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 Walter Brummund's NPI number?

The NPI number for Walter Brummund is 1487708988. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Walter Brummund located?

Walter Brummund practices at 2500 N Mayfair Rd Suite 220, Wauwatosa, WI 53226. The listed phone number is (414) 475-9101.

What is Walter Brummund's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Clinical & Laboratory Immunology, with taxonomy code 207KI0005X.

Is Walter Brummund enrolled in Medicare?

Yes. Walter Brummund is registered in the Medicare PECOS enrollment system.

What insurance does Walter Brummund accept?

Health plans from Quartz list Walter Brummund 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.

When was this NPI record last updated?

The NPPES record for Walter Brummund was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.