Abby Liu, M.D.
Ophthalmology Physician · Alameda, CA
Abby Liu, M.D. is an ophthalmology physician with a practice address in Alameda, California, and NPI 1437597499, issued on Jun 11, 2013. Check the license (California A148630, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Abby Liu
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A148630 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2418 Central Ave, Alameda, CA 94501
- Phone
- (510) 519-8066
- Enumerated
- Jun 11, 2013
- Record last updated
- Aug 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170823001806); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Abby Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average ophthalmology physician in 2024
387 Medicare Part D claims for 116 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Latanoprost72 claims
- Prednisolone Acetate72 claims
- Moxifloxacin28 claims
- Ketorolac Tromethamine25 claims
- Timolol Maleate21 claims
- Dorzolamide-Timolol16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.55
1 payment: food and beverage; the largest payer was Sight Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Abby Liu among 2,899 ophthalmology physician records in California
Abby Liu, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2001 among the 1,907 with a school on file
- Record last updated2020 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Alameda → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- David Bui, MDAlameda, CA 945011104977636
- Philip Gardner, M.D.Alameda, CA 945011235282252
- Michael Gorin, MDAlameda, CA 945011457323123
- Stephen Post, MDAlameda, CA 945011891727947
- Jennifer Taylor, M.D.Alameda, CA 945011902011851
- Allen Boghossian, D.O.Danville, CA 945061205863529
- Richard Hyman, M.D.Alamo, CA 945071215095492
- Suraj Cherry, MDAntioch, CA 945091134178643
Common questions
What is Abby Liu, M.D.'s NPI number?
Abby Liu, M.D.'s National Provider Identifier (NPI) is 1437597499, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Abby Liu, M.D. located?
The NPPES record lists a practice address at 2418 Central Ave, Alameda, CA, 94501. Phone: (510) 519-8066. Providers update this record themselves, so call before visiting.
How can I verify Abby Liu, M.D.'s license?
NPPES lists California license number A148630, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Abby Liu, M.D. prescribe under Medicare Part D?
In 2024, Abby Liu, M.D. had 387 Medicare Part D claims for 116 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Abby Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.