Doctor profile · Federal record

Dr. Loretta Chou, MD

Orthopaedic Foot and Ankle Surgery Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery Physician · Stanford, CA

  • NPI 1720174287
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 23, 2024
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207XX0004X — NUCC code
State license (1)
California #G60695

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720174287. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
217
Distinct HCPCS
4
Medicare allowed
$20,936
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 96 62 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 67 58 $109
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $151
76000 Imaging guidance for procedure, 60 minutes or less 13 13 $18

In context: peer comparison

Among 1 peers in Stanford Orthopaedic Foot and Ankle Surgery Physician, average services per provider: 54. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,851
Transactions
22
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Evolution Surgical, INC 2 $1,443.90
Stryker Corporation 5 $1,244.65
Arthrex, INC. 14 $1,063.70
Exactech, INC. 1 $98.99

By nature of payment

Travel and Lodging
$3,253
Food and Beverage
$599

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Loretta Chou's medical specialty?
Dr. Loretta Chou practices Orthopaedic Foot and Ankle Surgery Physician in Stanford, CA.
Where does Dr. Loretta Chou practice?
Dr. Loretta Chou practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Loretta Chou's NPI?
Dr. Loretta Chou's National Provider Identifier (NPI) is 1720174287, issued by NPPES.
Does Dr. Loretta Chou accept Medicare assignment?
Yes. Dr. Loretta Chou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loretta Chou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.