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Edit this profileAt a glance
- 23521 Paseo de Valencia, #207, Laguna Hills, CA 92653
About John Lean
John S. Lean, M D F R C S is a healthcare provider in Laguna Hills, CA specializing in ophthalmology. John is also listed as specializing in ophthalmology — retina specialist. Medicare claims data shows John provided 1,095 services to 541 patients. The services billed most often include imaging of retina, extended exam of the back part of the eye with optic nerve drawing, and established patient complete exam of visual system. This provider record is associated with NPI 1962513465.
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
- (949) 707-5125
- Email not available
Practice Locations
23521 PASEO DE VALENCIA #207
Laguna Hills, CA 92653
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
1,095 services · 541 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
96 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
395 | Less often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
205 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
140 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
95 | As often as other peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
35 | Less often than most peers in Ophthalmology |
| Injection, aflibercept, 1 mg | Drug given | J0178 |
94 | Less often than most peers in Ophthalmology |
| Compounded drug, not otherwise classified | Drug given | J7999 |
21 | 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 |
14 | Less 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.
Other eye doctors at this location 2
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 Laguna Hills 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1971 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is John S. Lean's specialty?
John S. Lean is an eye doctor in Laguna Hills, CA. 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 S. Lean?
John S. Lean is listed at 23521 Paseo de Valencia #207, Laguna Hills, CA 92653. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John S. Lean?
The number on file is (949) 707-5125. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John S. Lean?
John S. Lean's National Provider Identifier is 1962513465. 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 S. Lean's education?
John S. Lean attended Other, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John S. Lean have?
John S. Lean has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
What is John S. Lean known for?
According to Medicare billing data, John S. Lean performs procedures including injection of drug into eye; provides treatments such as imaging of retina and extended exam of the back part of the eye with optic nerve drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John S. Lean's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John S. Lean. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.