Doctor profile · Federal record

Dr. Mellena Giday, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Seattle, WA

  • NPI 1063830131
  • Accepts Medicare
  • MIPS 79.2 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 981042420
(206) 744-7749
Additional location
1959 Ne Pacific St, Room Bb-527
Seattle, WA 981956421
(206) 543-3605
Mailing address
10306 Meridian Ave N Apt 202
Seattle, WA 981339445

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Washington #MD60682151
Medicaid
WA #1063830131

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063830131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67
Distinct HCPCS
1
Medicare allowed
$5,676
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 25 $85

In context: peer comparison

Among 108 peers in Seattle Hospitalist Physician, average services per provider: 77. This provider delivers 0.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mellena Giday's medical specialty?
Dr. Mellena Giday practices Hospitalist Physician in Seattle, WA.
Where does Dr. Mellena Giday practice?
Dr. Mellena Giday practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067447749.
What is Dr. Mellena Giday's NPI?
Dr. Mellena Giday's National Provider Identifier (NPI) is 1063830131, issued by NPPES.
Does Dr. Mellena Giday accept Medicare assignment?
Yes. Dr. Mellena Giday accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mellena Giday commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.