Physician Profile
Unclaimed ProfileAbout MAHER
Based in Torrance, CA, John Francis Maher, M.D. is listed in the NPI registry under ophthalmology. John graduated from Loyola University of Chicago, Stritch School of Medicine in 1981. Medicare claims data shows John provided 6,399 services to 5,167 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
Common questions
What is Dr. Maher's specialty?
Dr. Maher is an ophthalmology in Torrance, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where can I find Dr. Maher?
Dr. Maher is listed at 22924 CRENSHAW BLVD, Torrance, CA 90505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Maher?
The number on file is (424) 328-0091. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Maher?
Dr. Maher's National Provider Identifier is 1265561211. 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 Dr. Maher's medical education?
Dr. Maher attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Maher have?
Dr. Maher has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Maher known for?
According to Medicare billing data, Dr. Maher performs procedures including removal of cataract with insertion of prosthetic lens, removal of recurring cataract in lens capsule using a laser and laser repair to improve eye fluid flow; reads or performs imaging such as ultrasound scan of cornea to determine thickness and 1d and 2d ultrasound scan of eye tissue and structures; provides treatments such as established patient complete 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
Is Dr. Maher's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maher. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (424) 328-0091
- Email not available
Practice Locations
22924 CRENSHAW BLVD
Torrance, CA 90505
Procedures Most Often Billed to Medicare
6,399 services · 5,167 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
262 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
173 |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
45 |
| Removal of chronic growth of eyelid | Procedure | 67800 |
24 |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
23 |
| Creation of eye fluid drainage tract for treatment of glaucoma | Procedure | 66170 |
17 |
| Injection into conjunctiva | Procedure | 68200 |
11 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
117 |
| 1d and 2d ultrasound scan of eye tissue and structures | Imaging | 76510 |
30 |
| Established patient complete exam of visual system | Treatment | 92014 |
1,911 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
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 Torrance 8
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1981 at Loyola University of Chicago, Stritch School of Medicine 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.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.