Doctor profile · Federal record

Dr. Sai-Hong I Ou, MD

Hematology & Oncology Physician · Orange, CA

  • NPI 1639259872
  • MIPS 91.2 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Uci Medical Center, 101 the City Drive South
Orange, CA 92868
(714) 456-8978
Mailing address
Uci Department of Medicine, Po Box 54509
Los Angeles, CA 900544509

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
January 14, 2008
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #000000A83672

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639259872. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
599
Distinct HCPCS
4
Medicare allowed
$76,795
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 337 101 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 223 81 $154
99205 New patient office or other outpatient visit, 60-74 minutes 20 20 $194
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $186

In context: peer comparison

Among 20 peers in Orange Hematology & Oncology Physician, average services per provider: 1,067. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,503
Transactions
9
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $2,100.00
Pfizer INC. 4 $1,792.63
E.R. Squibb & Sons, L.L.C. 1 $1,300.00
AstraZeneca Pharmaceuticals Lp 1 $127.57
Genentech USA, INC. 1 $113.76
Daiichi Sankyo INC. 1 $69.40

By nature of payment

Consulting Fee
$3,400
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,540
Food and Beverage
$491
Travel and Lodging
$73

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
398
Patients
18
Total drug cost
$3,668,644
Drug Type Claims Patients Total cost
Tagrisso (Osimertinib Mesylate) Brand 143 18 $2,723,637
Eliquis (Apixaban) Brand 34 0 $24,414
Iressa (Gefitinib) Brand 26 0 $214,684
Alecensa (Alectinib Hcl) Brand 23 0 $414,746
Megestrol Acetate Generic 20 0 $1,063
Atorvastatin Calcium Generic 18 0 $133
Furosemide Generic 18 0 $70
Ondansetron Hcl Generic 18 0 $209
Codeine Sulfate Generic 16 0 $1,262
Dexamethasone Generic 16 0 $227

Frequently asked questions

Auto-generated from federal data
What is Dr. Sai-Hong I Ou's medical specialty?
Dr. Sai-Hong I Ou practices Hematology & Oncology Physician in Orange, CA.
Where does Dr. Sai-Hong I Ou practice?
Dr. Sai-Hong I Ou practices at Uci Medical Center, Orange, CA 92868. Office phone: 7144568978.
What is Dr. Sai-Hong I Ou's NPI?
Dr. Sai-Hong I Ou's National Provider Identifier (NPI) is 1639259872, issued by NPPES.
What procedures does Dr. Sai-Hong I Ou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.