Doctor profile · Federal record

Dr. Ethan Sim, PA-C

Physician Assistant · Stanford, CA

  • NPI 1114546488
  • MIPS 75.5 / 100 · 2023
  • 6 yrs on file
  • Male
  • Group 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
April 2020 — 6 yrs on file
Profile last updated
February 4, 2022
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #59743

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114546488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
17
Distinct HCPCS
1
Medicare allowed
$2,357
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 17 14 $139

In context: peer comparison

Among 89 peers in this city , average services per provider: 64. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$432
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $225.79
Teleflex LLC 1 $177.40
ABBVIE INC. 1 $28.73

By nature of payment

Food and Beverage
$432

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
89
Patients
27
Total drug cost
$10,323
Drug Type Claims Patients Total cost
Acyclovir Generic 55 15 $1,541
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 18 12 $172
Atovaquone Generic 16 0 $8,609

Frequently asked questions

Auto-generated from federal data
What is Dr. Ethan Sim's medical specialty?
Dr. Ethan Sim practices Physician Assistant in Stanford, CA.
Where does Dr. Ethan Sim practice?
Dr. Ethan Sim practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Ethan Sim's NPI?
Dr. Ethan Sim's National Provider Identifier (NPI) is 1114546488, issued by NPPES.
What procedures does Dr. Ethan Sim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.