Doctor profile · Federal record

Dr. Wai Man Siu, MD

Geriatric Medicine (Family Medicine) Physician (CMS: Family Practice) · Family Medicine Physician · Portland, OR

  • NPI 1275854671
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8329 Sw Beaverton Hillsdale Hwy Bldg 2
Portland, OR 972252215
(503) 414-5160
Additional location
2222 Nw Lovejoy St Ste 315
Portland, OR 972105101
(503) 413-8018
Mailing address
8329 Sw Beaverton Hillsdale Hwy, Bldg 2
Portland, OR 97225

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207QG0300X — NUCC code
State license (1)
Oregon #MD168402

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275854671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
842
Distinct HCPCS
10
Medicare allowed
$64,032
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 335 78 $32
99215 Established patient office or other outpatient visit, 40-54 minutes 247 126 $132
36415 Insertion of needle into vein for collection of blood sample 68 57 $7
99205 New patient office or other outpatient visit, 60-74 minutes 57 57 $222
83036 Hemoglobin a1c level 36 21 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 33 31 $103
G0008 Administration of influenza virus vaccine 22 22 $28
0124A Adm sarscv2 bvl 30mcg/.3ml a 11 11 $42
90480 Admn sarscov2 vacc 1 dose 11 11 $39
90682 Influenza vaccine, quadrivalent derived from recombinant dna 11 11 $71

In context: peer comparison

Among 2 peers in this city , average services per provider: 71. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,243
Patients
585
Total drug cost
$45,165
Drug Type Claims Patients Total cost
Memantine Hcl Generic 324 83 $13,538
Donepezil Hcl Generic 262 72 $3,747
Sertraline Hcl Generic 261 69 $3,208
Levothyroxine Sodium Generic 191 42 $3,078
Trazodone Hcl Generic 181 50 $2,720
Mirtazapine Generic 163 36 $6,133
Atorvastatin Calcium Generic 123 40 $2,054
Losartan Potassium Generic 123 32 $2,225
Gabapentin Generic 102 24 $1,804
Lisinopril Generic 102 30 $1,052

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wai Man Siu's medical specialty?
Dr. Wai Man Siu practices Geriatric Medicine (Family Medicine) Physician in Portland, OR.
Where does Dr. Wai Man Siu practice?
Dr. Wai Man Siu practices at 8329 Sw Beaverton Hillsdale Hwy Bldg 2, Portland, OR 972252215. Office phone: 5034145160.
What is Dr. Wai Man Siu's NPI?
Dr. Wai Man Siu's National Provider Identifier (NPI) is 1275854671, issued by NPPES.
Does Dr. Wai Man Siu accept Medicare assignment?
Yes. Dr. Wai Man Siu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wai Man Siu commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99215); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.