John Francis Ling, M.D. practises ophthalmology in Lakewood, CA. John is a 2014 graduate of Indiana University School of Medicine. John is also listed as specialising in ophthalmology — glaucoma.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Ling is an ophthalmology in Lakewood, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Dr. Ling is listed at 3300 E SOUTH ST STE 105, Lakewood, CA 90805. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (562) 531-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Ling's National Provider Identifier is 1023436391. 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
Dr. Ling attended Indiana University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Ling has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Ling performs procedures including removal of cataract with insertion of prosthetic lens, laser repair to improve eye fluid flow and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ling. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
3300 E SOUTH ST STE 105
Lakewood, CA 90805
1,522 services · 1,254 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
45 |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
17 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
15 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
27 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
449 |
| Photography of the retina | Treatment | 92250 |
266 |
| Established patient complete exam of visual system | Treatment | 92014 |
185 |
| Exam of visual field with extended testing | Treatment | 92083 |
133 |
| Imaging of optic nerve | Treatment | 92133 |
119 |
| New patient complete exam of visual system | Treatment | 92004 |
84 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.