Tin Yan Alvin Liu, MD
Ophthalmology Physician · Baltimore, MD
Tin Yan Alvin Liu, MD is an ophthalmology physician with a practice address in Baltimore, Maryland, and NPI 1831455153, issued on Apr 11, 2012. Check the license (Maryland D81403, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Tin Yan Alvin Liu
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- D81403 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 N Wolfe St RM 205, Baltimore, MD 21287
- Phone
- (410) 955-3518
- Enumerated
- Apr 11, 2012
- Record last updated
- Nov 4, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (410) 955-0869
- Medicare enrollment
- Enrolled (PECOS I20160630001821); may accept Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2012
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 588 in Maryland → Look up another NPI →
Verify Tin Yan Alvin Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D81403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average ophthalmology physician in 2024
72 Medicare Part D claims for 24 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Ketorolac Tromethamine22 claims
- Latanoprost19 claims
- Prednisolone Acetate17 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,012.02
5 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, 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.
Bills Medicare through 2 group practices
- Johns Hopkins UniversityLutherville, MD
- Johns Hopkins UniversityMiddle River, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tin Yan Alvin Liu among 588 ophthalmology physician records in Maryland
Tin Yan Alvin Liu, MD is one of 588 ophthalmology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2002 among the 369 with a school on file
- Record last updated2017 · 65% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Maryland
There are 588 ophthalmology physician records in Maryland.
All 588 in Maryland → Every provider in Baltimore → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Esen Akpek, M.D.Baltimore, MD 212871851356943
- John Baer, M.D.Baltimore, MD 212871013984848
- Heather Bartlett Casparis, M.D.Baltimore, MD 212871629033147
- Neil Bressler, M.D.Baltimore, MD 212871790742245
- Peter Campochiaro, M.D.Baltimore, MD 212871598723850
- Marianne Cowley, MDBaltimore, MD 212871811964448
- Earl Craven, MDBaltimore, MD 212871457354821
- Morton Goldberg, M.D.Baltimore, MD 212871578516696
Common questions
What is Tin Yan Alvin Liu, MD's NPI number?
Tin Yan Alvin Liu, MD's National Provider Identifier (NPI) is 1831455153, issued on Apr 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Tin Yan Alvin Liu, MD located?
The NPPES record lists a practice address at 600 N Wolfe St RM 205, Baltimore, MD, 21287. Phone: (410) 955-3518. Providers update this record themselves, so call before visiting.
How can I verify Tin Yan Alvin Liu, MD's license?
NPPES lists Maryland license number D81403, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tin Yan Alvin Liu, MD prescribe under Medicare Part D?
In 2024, Tin Yan Alvin Liu, MD had 72 Medicare Part D claims for 24 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Tin Yan Alvin Liu, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.