Doctor profile · Federal record

Dr. Wendy Ahn, OD

Optometrist (CMS: Optometry) · Los Altos, CA

  • NPI 1932324670
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
261 Main St
Los Altos, CA 940222909
(650) 947-3937
fax (650) 947-3935
Mailing address
26 del Monte Avenue
Los Altos, CA 94022

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
April 4, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #12738T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932324670. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
74
Distinct HCPCS
2
Medicare allowed
$6,902
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 44 42 $47
92014 Established patient complete exam of visual system 30 30 $160

In context: peer comparison

Among 2 peers in Los Altos Optometrist, average services per provider: 28. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$168
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
RxSight INC 1 $114.02
Oyster Point Pharma, INC. 1 $30.11
Bausch & Lomb Americas INC. 1 $23.54

By nature of payment

Food and Beverage
$168

Frequently asked questions

Auto-generated from federal data
What is Dr. Wendy Ahn's medical specialty?
Dr. Wendy Ahn practices Optometrist in Los Altos, CA.
Where does Dr. Wendy Ahn practice?
Dr. Wendy Ahn practices at 261 Main St, Los Altos, CA 940222909. Office phone: 6509473937.
What is Dr. Wendy Ahn's NPI?
Dr. Wendy Ahn's National Provider Identifier (NPI) is 1932324670, issued by NPPES.
Does Dr. Wendy Ahn accept Medicare assignment?
Yes. Dr. Wendy Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wendy Ahn commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.