Doctor profile · Federal record

Dr. Abby Liu, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Alameda, CA

  • NPI 1437597499
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2418 Central Ave
Alameda, CA 945014516
(510) 519-8066
Mailing address
2101 Shoreline Dr Apt 471
Alameda, CA 945016250

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
August 3, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #A148630

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437597499. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,110
Distinct HCPCS
10
Medicare allowed
$156,865
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 193 110 $150
99213 Established patient office or other outpatient visit, 20-29 minutes 161 100 $107
92134 Imaging of retina 123 99 $49
92136 Measurement of corneal curvature and depth of eye 102 59 $53
99204 New patient office or other outpatient visit, 45-59 minutes 94 94 $195
92083 Exam of visual field with extended testing 86 61 $79
92020 Exam of the internal drainage system of eye 65 61 $33
66984 Removal of cataract with insertion of prosthetic lens 56 39 $639
92133 Imaging of optic nerve 55 50 $42
76514 Ultrasound scan of cornea to determine thickness 39 39 $13

In context: peer comparison

Among 3 peers in this city , average services per provider: 140. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sight Sciences, Inc. 1 $21.55

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
257
Patients
140
Total drug cost
$7,756
Drug Type Claims Patients Total cost
Prednisolone Acetate Generic 105 76 $4,074
Latanoprost Generic 59 19 $1,062
Moxifloxacin (Moxifloxacin Hcl) Brand 36 26 $1,394
Ketorolac Tromethamine Generic 23 19 $472
Timolol Maleate Generic 21 0 $408
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 13 0 $345

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Abby Liu's medical specialty?
Dr. Abby Liu practices Ophthalmology Physician in Alameda, CA.
Where does Dr. Abby Liu practice?
Dr. Abby Liu practices at 2418 Central Ave, Alameda, CA 945014516. Office phone: 5105198066.
What is Dr. Abby Liu's NPI?
Dr. Abby Liu's National Provider Identifier (NPI) is 1437597499, issued by NPPES.
Does Dr. Abby Liu accept Medicare assignment?
Yes. Dr. Abby Liu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abby Liu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Imaging of retina (HCPCS 92134). Source: CMS Medicare Physician & Other Practitioners file.