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Edit this profileAt a glance
- 411 N Washington St, Alexandria, VA 22314
About Dr. Clark
Jacob A. Clark, MD is a healthcare provider in Alexandria, VA specializing in ophthalmology. Jacob trained at University of Puerto Rico School of Medicine, graduating in 1981. According to Medicare claims data, Jacob cared for 1,096 Medicare patients across 1,254 services. The services billed most often include established patient complete exam of visual system, established patient problem focused exam of visual system, and exam of visual field with extended testing. This provider record is associated with NPI 1164464806.
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) 548-5588
- Email not available
Practice Locations
411 N WASHINGTON ST
Alexandria, VA 22314
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
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
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,254 services · 1,096 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
12 | Less often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
614 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
290 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
190 | More often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
59 | As often as other peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
12 | Less 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 |
77 | As often as other 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 1
Same specialty, same street address — most likely the same department or group.
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 Alexandria 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Puerto Rico School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of Puerto Rico School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of cornea to determine thickness 7
Providers in VA who bill this service to Medicare most often.
Common questions
What does Dr. Clark specialize in?
Dr. Clark is an eye doctor in Alexandria, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Dr. Clark located?
Dr. Clark is listed at 411 N Washington St, Alexandria, VA 22314. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Clark's phone number?
The number on file is (703) 548-5588. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Clark's NPI number?
Dr. Clark's National Provider Identifier is 1164464806. 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 Dr. Clark go to medical school?
Dr. Clark attended University of Puerto Rico School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Clark been practicing?
Dr. Clark has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Clark do most often?
According to Medicare billing data, Dr. Clark performs imaging including ultrasound scan of cornea to determine thickness; provides treatments such as established patient complete exam of visual system 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
Has Dr. Clark confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Clark. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.