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Edit this profileAt a glance
- 2101 Medical Park Dr, Suite 101, Silver Spring, MD 20902
About Dr. Ladas
Based in Silver Spring, MD, John Ladas, M.D. PH.D. is listed in the NPI registry under ophthalmology. John graduated from Georgetown University School of Medicine in 1996. Medicare claims data shows John provided 4,396 services to 3,540 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, exam of visual field with extended testing, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1992743611 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
- (301) 681-6600
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2101 MEDICAL PARK DR SUITE 101
Silver Spring, MD 20902
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
4,396 services · 3,540 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
85 | More often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
68 | Less often than most peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
22 | Less often than most peers in Ophthalmology |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
15 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
56 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
650 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
512 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
498 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
295 | As often as other peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
130 | 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 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 31 related providers in 4 groups
Other eye doctors in Silver Spring 7
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 1996 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 MD who bill this service to Medicare most often.
Common questions
What does John Ladas specialize in?
John Ladas is an eye doctor in Silver Spring, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is John Ladas located?
John Ladas is listed at 2101 Medical Park Dr Suite 101, Silver Spring, MD 20902. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John Ladas's phone number?
The number on file is (301) 681-6600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John Ladas?
John Ladas's National Provider Identifier is 1992743611. 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 John Ladas train?
John Ladas attended Georgetown University School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John Ladas have?
John Ladas has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What does John Ladas do most often?
According to Medicare billing data, John Ladas performs procedures including removal of recurring cataract in lens capsule using a laser, removal of cataract with insertion of prosthetic lens and laser repair to improve eye fluid flow; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as exam of visual field with extended testing and imaging of optic nerve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John Ladas's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John Ladas. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.