BRIAN MAU MD
NPI 1548794845
Pathology - Anatomic Pathology in Portland, OR
About Brian Mau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN MAU MD (NPI 1548794845) is an individual anatomic pathology provider in Portland, Oregon, licensed in Oregon (MD203424) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2017).
NPPES Registry Identity
Specialties & Licenses
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
Brian Mau Md 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 Brian Mau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 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.
Areas of Expertise CMS Part B claims 12
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, OROhsu Hospital And Clinics
Acute Care Hospitals · Portland, ORHillsboro Medical Center
Acute Care Hospitals · Hillsboro, ORSky Lakes Medical Center
Acute Care Hospitals · Klamath Falls, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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 Brian Mau's NPI number?
The NPI number for Brian Mau is 1548794845. It was assigned to this individual provider in the NPPES registry on April 13, 2017.
Where is Brian Mau located?
Brian Mau practices at 3181 SW Sam Jackson Park Rd # L-113, Portland, OR 97239. The listed phone number is (503) 494-8276.
What is Brian Mau's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Brian Mau enrolled in Medicare?
Yes. Brian Mau 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 Brian Mau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Mau reassigns Medicare benefits to University Professional Services (Portland, OR). 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 Brian Mau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brian Mau affiliated with any hospitals?
According to CMS data, Brian Mau is affiliated with Providence St Vincent Medical Center, Ohsu Hospital And Clinics, Hillsboro Medical Center and Sky Lakes Medical Center.
When was this NPI record last updated?
The NPPES record for Brian Mau was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Brian Mau, MD · NPI 1548794845
Anatomic Pathology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since April 13, 2017.
## Identity
- **NPI:** 1548794845 (Entity type: Individual)
- **Enumerated:** April 13, 2017
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** MD203424 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD # L-113, Portland, OR 97239-3011
- **Phone:** (503) 494-8276
## 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:** University Professional Services (NPI 1376709535, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kansas School Of Med, class of 2017
## Record status
- **NPPES last updated:** March 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548794845) · Data from the CMS NPPES public registry.