Physician Profile
Unclaimed ProfileAbout 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (909) 259-0903
- Email not available
Practice Locations
10837 LAUREL ST SUITE 103
Rancho Cucamonga, CA 91730
Procedures Most Often Billed to Medicare
1,089 services · 775 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
86 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
69 |
| Closure of tear duct opening using plug | Procedure | 68761 |
13 |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
214 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
86 |
| Exam of visual field with extended testing | Treatment | 92083 |
56 |
| Imaging of optic nerve | Treatment | 92133 |
27 |
| Imaging of retina | Treatment | 92134 |
19 |
| Ct scan of cornea | Treatment | 92025 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
249 |
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 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.
Other ophthalmology specialists 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 ophthalmology in Rancho Cucamonga, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there 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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.