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Edit this profileAt a glance
- 20 W 13Th St, New York, NY 10011
About Dr. Khadem
John J. Khadem, M.D., MPH is a healthcare provider in New York, NY specializing in ophthalmology. John trained at University of Missouri, Columbia School of Medicine, graduating in 1991. According to Medicare claims data, John cared for 4,377 Medicare patients across 9,974 services. The services billed most often include imaging of retina, established patient problem focused exam of visual system, and extended exam of the back part of the eye with retinal drawing. This provider record is associated with NPI 1477530012.
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
- (212) 604-9800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
20 W 13TH ST
New York, NY 10011
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
9,974 services · 4,377 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
589 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
18 | Less often than most peers in Ophthalmology |
| Removal of eye fluid (vitreous) between lens and retina | Procedure | 67036 |
16 | As often as other peers in Ophthalmology |
| Removal of membrane of retina | Procedure | 67041 |
14 | Less often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
239 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
2,290 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
1,568 | More than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
1,458 | More than most peers in Ophthalmology |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
727 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
680 | More 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 2
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 — 32 related providers in 4 groups
Other eye doctors in New York 8
Same specialty, same city.
Trained at University of Missouri, Columbia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of Missouri, Columbia 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 NY who bill this service to Medicare most often.
Common questions
What is John J. Khadem, M.D.'s specialty?
John J. Khadem, M.D. is an eye doctor in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find John J. Khadem, M.D.?
John J. Khadem, M.D. is listed at 20 W 13Th St, New York, NY 10011. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John J. Khadem, M.D.?
The number on file is (212) 604-9800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John J. Khadem, M.D.'s NPI number?
John J. Khadem, M.D.'s National Provider Identifier is 1477530012. 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 John J. Khadem, M.D.'s education?
John J. Khadem, M.D. attended University of Missouri, Columbia School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has John J. Khadem, M.D. been practicing?
John J. Khadem, M.D. has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is John J. Khadem, M.D. known for?
According to Medicare billing data, John J. Khadem, M.D. performs procedures including injection of drug into eye, removal of recurring cataract in lens capsule using a laser and removal of eye fluid between lens and retina; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and established patient problem focused exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John J. Khadem, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John J. Khadem, M.D.. If this is you, claiming it is free.
Guide.md
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