Physician Profile
Samuel M. Liu, M.D.
Unclaimed ProfileAbout Dr. Liu
Samuel M. Liu, M.D. practices ophthalmology in Princeton, NJ. Samuel is a 1994 graduate of Vanderbilt University School of Medicine. Medicare claims data shows Samuel provided 702,351 services to 3,092 patients. The services billed most often include chloroprocaine hcl ophthalmic, 3% gel, 1 mg, injection, faricimab-svoa, 0.1 mg, and injection, aflibercept, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (609) 921-9437
- Email not available
Practice Locations
419 NORTH HARRISON STREET SUITE 104
Princeton, NJ 08540
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
702,351 services · 3,092 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,253 | More often than most peers in Ophthalmology |
| Insertion of drug delivery implant into tear duct of eye | Procedure | 68841 |
140 | More often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
136 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
55 | As often as other peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
25 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
1,132 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
1,104 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
967 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
266 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
238 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other eye doctors at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other eye doctors in Princeton 4
Same specialty, same city.
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What does Samuel M. Liu specialize in?
Samuel M. Liu is an eye doctor in Princeton, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Samuel M. Liu located?
Samuel M. Liu is listed at 419 North Harrison Street Suite 104, Princeton, NJ 08540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Samuel M. Liu's phone number?
The number on file is (609) 921-9437. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Samuel M. Liu?
Samuel M. Liu's National Provider Identifier is 1245243013. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Samuel M. Liu train?
Samuel M. Liu attended Vanderbilt University School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Samuel M. Liu have?
Samuel M. Liu has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Samuel M. Liu do most often?
According to Medicare billing data, Samuel M. Liu performs procedures including injection of drug into eye, insertion of drug delivery implant into tear duct of eye and removal of cataract with insertion of prosthetic lens; provides treatments such as imaging of retina and established patient problem focused exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Samuel M. Liu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Samuel M. Liu. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.