Doctor profile · Federal record

Dr. Liana Lam, O.D.

Optometrist (CMS: Optometry) · Petaluma, CA

  • NPI 1437291028
  • Accepts Medicare
  • 30 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3900 Lakeville Hwy
Petaluma, CA 949545698
(707) 765-3930
Mailing address
561 Atherton Ave
Novato, CA 949452632

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
January 3, 2022
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
California #10706T

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437291028. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $122.27

By nature of payment

Food and Beverage
$122

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
457
Patients
140
Total drug cost
$10,285
Drug Type Claims Patients Total cost
Latanoprost Generic 303 114 $4,773
Timolol Maleate Generic 42 13 $676
Olopatadine Hcl Generic 30 13 $607
Brimonidine Tartrate Generic 21 0 $235
Cyclosporine Generic 18 0 $2,807
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 17 0 $383
Levobunolol Hcl Generic 14 0 $508
Dorzolamide Hcl Generic 12 0 $296

Frequently asked questions

Auto-generated from federal data
What is Dr. Liana Lam's medical specialty?
Dr. Liana Lam practices Optometrist in Petaluma, CA.
Where does Dr. Liana Lam practice?
Dr. Liana Lam practices at 3900 Lakeville Hwy, Petaluma, CA 949545698. Office phone: 7077653930.
What is Dr. Liana Lam's NPI?
Dr. Liana Lam's National Provider Identifier (NPI) is 1437291028, issued by NPPES.
Does Dr. Liana Lam accept Medicare assignment?
Yes. Dr. Liana Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.