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Edit this profileAt a glance
- 9707 Medical Center Dr, Suite 110, Rockville, MD 20850
About Edward Tsoy
Edward A. Tsoy, M. D. practices ophthalmology in Rockville, MD. Edward is a 1979 graduate of University of Maryland School of Medicine. According to Medicare claims data, Edward cared for 2,087 Medicare patients across 2,357 services. The services billed most often include established patient complete exam of visual system, photography of the retina, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1578605002.
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
- (301) 424-7744
- Email not available
Practice Locations
9707 MEDICAL CENTER DR SUITE 110
Rockville, MD 20850
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
2,357 services · 2,087 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
446 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
377 | More often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
278 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
251 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
214 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
17 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
315 | More often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
296 | More often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
136 | More often than most peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
27 | 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.
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.
Other eye doctors in Rockville 8
Same specialty, same city.
Trained at University of Maryland School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1979 at University of Maryland School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Edward A. Tsoy specialize in?
Edward A. Tsoy is an eye doctor in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Edward A. Tsoy located?
Edward A. Tsoy is listed at 9707 Medical Center Dr Suite 110, Rockville, MD 20850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Edward A. Tsoy's phone number?
The number on file is (301) 424-7744. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Edward A. Tsoy's NPI number?
Edward A. Tsoy's National Provider Identifier is 1578605002. 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 Edward A. Tsoy train?
Edward A. Tsoy attended University of Maryland School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How long has Edward A. Tsoy been practicing?
Edward A. Tsoy has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What does Edward A. Tsoy do most often?
According to Medicare billing data, Edward A. Tsoy provides treatments such as established patient complete exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Edward A. Tsoy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Edward A. Tsoy. If this is you, claiming it is free.
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