Are you Dr. Johl? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 10837 Laurel St, Suite 103, Rancho Cucamonga, CA 91730
About Dr. Johl
Jaskarn S. Johl, DO practices ophthalmology in Rancho Cucamonga, CA. Jaskarn is a 2007 graduate of Lake Erie College of Osteopathic Medicine, Erie. Medicare claims data shows Jaskarn provided 1,089 services to 775 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, extended exam of the back part of the eye with optic nerve drawing, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1245492677.
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
- (909) 259-0903
- Email not available
Practice Locations
10837 LAUREL ST SUITE 103
Rancho Cucamonga, CA 91730
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
- Epiretinal membrane
- Retinal detachment
Eye injuries
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
1,089 services · 775 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
86 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
69 | More often than most peers in Ophthalmology |
| Closure of tear duct opening using plug | Procedure | 68761 |
13 | Less often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
214 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
86 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
56 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
27 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
19 | Less often than most peers in Ophthalmology |
| Ct scan of cornea | Treatment | 92025 |
16 | 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 |
249 | More 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.
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.
Other eye doctors in Rancho Cucamonga 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Lake Erie College of Osteopathic Medicine, Erie 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Lake Erie College of Osteopathic Medicine, Erie 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Johl?
Dr. Johl is an eye doctor in Rancho Cucamonga, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Dr. Johl's address?
Dr. Johl is listed at 10837 Laurel St Suite 103, Rancho Cucamonga, CA 91730. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johl?
The number on file is (909) 259-0903. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Johl?
Dr. Johl's National Provider Identifier is 1245492677. 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. Johl train?
Dr. Johl attended Lake Erie College of Osteopathic Medicine, Erie, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johl have?
Dr. Johl has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johl perform?
According to Medicare billing data, Dr. Johl performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and closure of tear duct opening using plug; provides treatments such as extended exam of the back part of the eye with optic nerve drawing and measurement of corneal curvature and depth of eye, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Johl's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johl. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.