Doctor profile · Federal record

Dr. Mackenzie Brewer, RD

Registered Dietitian (CMS: Registered Dietitian or Nutrition Professional) · Registered Dietitian · Seattle, WA

  • NPI 1396484655
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1124 Columbia St Ste 400
Seattle, WA 981042053
(206) 215-2440
fax (206) 215-2457
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
December 14, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
133V00000X — NUCC code
State licenses (2)
Washington #DI60814613 · California #86107038
Medicaid
WA #2211339

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396484655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
167
Distinct HCPCS
2
Medicare allowed
$5,055
HCPCS Description Services Patients Avg allowed
97803 Therapy procedure reassessment for nutrition management, each 15 minutes 92 24 $28
97802 Therapy procedure for nutrition management, each 15 minutes 75 21 $33

In context: peer comparison

Among 3 peers in this city , average services per provider: 86. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mackenzie Brewer's medical specialty?
Dr. Mackenzie Brewer practices Registered Dietitian in Seattle, WA.
Where does Dr. Mackenzie Brewer practice?
Dr. Mackenzie Brewer practices at 1124 Columbia St Ste 400, Seattle, WA 981042053. Office phone: 2062152440.
What is Dr. Mackenzie Brewer's NPI?
Dr. Mackenzie Brewer's National Provider Identifier (NPI) is 1396484655, issued by NPPES.
Does Dr. Mackenzie Brewer accept Medicare assignment?
Yes. Dr. Mackenzie Brewer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mackenzie Brewer commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure reassessment for nutrition management (HCPCS 97803); Therapy procedure for nutrition management (HCPCS 97802). Source: CMS Medicare Physician & Other Practitioners file.