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Edit this profileAt a glance
- 19441 Golf Vista Plaza, Suite 320, Lansdowne, VA 20176
About Dr. Merrill
Based in Lansdowne, VA, Sarah A. Merrill, MD is listed in the NPI registry under ophthalmology. Sarah graduated from Georgetown University School of Medicine in 1998. Medicare claims data shows Sarah provided 640 services to 563 patients. The services billed most often include imaging of optic nerve, new patient complete exam of visual system, and exam of visual field with extended testing. NPI 1740379023 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (703) 858-9800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
19441 GOLF VISTA PLAZA SUITE 320
Lansdowne, VA 20176
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
Eye injury and cancer
Inflammation, neurologic, and orbit
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
640 services · 563 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
64 | More often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
36 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
87 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
77 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
69 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
66 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
36 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
36 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
19 | Less often than most peers in Ophthalmology |
| Ct scan of cornea | Treatment | 92025 |
18 | Less 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 4
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 4
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 Lansdowne 4
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of recurring cataract in lens capsule using a laser 8
Providers in VA who bill this service to Medicare most often.
Common questions
What is Dr. Merrill's specialty?
Dr. Merrill is an eye doctor in Lansdowne, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Merrill?
Dr. Merrill is listed at 19441 Golf Vista Plaza Suite 320, Lansdowne, VA 20176. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Merrill?
The number on file is (703) 858-9800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Merrill?
Dr. Merrill's National Provider Identifier is 1740379023. 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
What is Dr. Merrill's medical education?
Dr. Merrill attended Georgetown University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Merrill have?
Dr. Merrill has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Merrill known for?
According to Medicare billing data, Dr. Merrill performs procedures including removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as imaging of optic nerve and new patient complete 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 Dr. Merrill's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Merrill. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.