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Edit this profileAt a glance
- 500 Coffee Road, Suite F, Modesto, CA 95355
About Dr. Gammon
Based in Modesto, CA, James A. Gammon, MD is listed in the NPI registry under ophthalmology. James graduated from University of Kansas School of Med (Kc/Wich/Sal) in 1969. According to Medicare claims data, James cared for 550 Medicare patients across 654 services. The services billed most often include established patient problem focused exam of visual system, photography of the retina, and removal of cataract with insertion of prosthetic lens. NPI 1598800062 identifies this record in the national registry.
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
- (209) 522-7362
- Email not available
Practice Locations
500 COFFEE ROAD SUITE F
Modesto, CA 95355
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
654 services · 550 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
46 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
14 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
318 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
107 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
37 | As often as other peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
29 | Less often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
26 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
25 | Less often than most peers in Ophthalmology |
| Exam of visual field with limited testing | Treatment | 92081 |
12 | Less often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
40 | As often as other 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.
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 Modesto 8
Same specialty, same city.
Trained at University of Kansas School of Med (Kc/Wich/Sal) 8
Other providers in the same specialty who trained at the same institution.
More connections — 12 related providers in 2 groups
Class of 1969 at University of Kansas School of Med (Kc/Wich/Sal) 4
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 is Dr. Gammon's specialty?
Dr. Gammon is an eye doctor in Modesto, 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 Dr. Gammon?
Dr. Gammon is listed at 500 Coffee Road Suite F, Modesto, CA 95355. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gammon?
The number on file is (209) 522-7362. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Gammon's NPI number?
Dr. Gammon's National Provider Identifier is 1598800062. 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. Gammon's medical education?
Dr. Gammon attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gammon been practicing?
Dr. Gammon has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gammon known for?
According to Medicare billing data, Dr. Gammon performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; 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
Has Dr. Gammon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gammon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.