Doctor profile · Federal record

Dr. Katherine Warner, OD

Optometrist (CMS: Optometry) · Stanford, CA

  • NPI 1750418075
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 498-7103

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 19, 2019
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #SD11448
Medicaid
CA #SD0114480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750418075. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
453
Distinct HCPCS
7
Medicare allowed
$29,466
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 152 137 $61
92014 Established patient complete exam of visual system 90 90 $91
92002 New patient problem focused exam of visual system 83 83 $55
92004 New patient complete exam of visual system 48 48 $112
92133 Imaging of optic nerve 42 42 $26
92083 Exam of visual field with extended testing 23 23 $32
92025 Ct scan of cornea 15 15 $23

In context: peer comparison

Among 1 peers in Stanford Optometrist, average services per provider: 64. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$88
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 1 $87.61

By nature of payment

Food and Beverage
$88

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
65
Patients
15
Total drug cost
$12,609
Drug Type Claims Patients Total cost
Olopatadine Hcl Generic 50 15 $864
Restasis (Cyclosporine) Brand 15 0 $11,745

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Warner's medical specialty?
Dr. Katherine Warner practices Optometrist in Stanford, CA.
Where does Dr. Katherine Warner practice?
Dr. Katherine Warner practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6504987103.
What is Dr. Katherine Warner's NPI?
Dr. Katherine Warner's National Provider Identifier (NPI) is 1750418075, issued by NPPES.
Does Dr. Katherine Warner accept Medicare assignment?
Yes. Dr. Katherine Warner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Warner commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); New patient problem focused exam of visual system (HCPCS 92002). Source: CMS Medicare Physician & Other Practitioners file.