Doctor profile · Federal record

Dr. Susan Lodenquai, O.D.

Optometrist (CMS: Optometry) · Los Altos, CA

  • NPI 1336146257
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
668B Fremont Ave
Los Altos, CA 940244812
(650) 948-5061
fax (650) 948-5090

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
November 4, 2011
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #12700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336146257. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
128
Distinct HCPCS
5
Medicare allowed
$11,159
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 42 26 $109
92083 Exam of visual field with extended testing 24 17 $77
92250 Photography of the retina 23 23 $45
92134 Imaging of retina 21 16 $45
92014 Established patient complete exam of visual system 18 18 $152

In context: peer comparison

Among 2 peers in this city , average services per provider: 28. This provider delivers 4.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$405
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Sight Sciences, Inc. 1 $149.71
RxSight Inc 1 $114.02
Amgen Inc. 1 $97.45
Johnson & Johnson Vision Care, Inc. 2 $43.90

By nature of payment

Food and Beverage
$405

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
0
Total drug cost
$94
Drug Type Claims Patients Total cost
Latanoprost Generic 19 0 $94

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Lodenquai's medical specialty?
Dr. Susan Lodenquai practices Optometrist in Los Altos, CA.
Where does Dr. Susan Lodenquai practice?
Dr. Susan Lodenquai practices at 668B Fremont Ave, Los Altos, CA 940244812. Office phone: 6509485061.
What is Dr. Susan Lodenquai's NPI?
Dr. Susan Lodenquai's National Provider Identifier (NPI) is 1336146257, issued by NPPES.
Does Dr. Susan Lodenquai accept Medicare assignment?
Dr. Susan Lodenquai does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Susan Lodenquai commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Exam of visual field with extended testing (HCPCS 92083); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.