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Edit this profileAt a glance
- 1275 N Rose Dr, Suite 112, Placentia, CA 92870
About Dr. Marshburn
Based in Placentia, CA, John S. Marshburn, M.D. is listed in the NPI registry under ophthalmology. John graduated from Tulane University School of Medicine in 1993. According to Medicare claims data, John cared for 3,699 Medicare patients across 6,474 services. The services billed most often include established patient complete exam of visual system, photography of the retina, and imaging of optic nerve. NPI 1245246164 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
- (714) 792-1199
- Email not available
Practice Locations
1275 N ROSE DR SUITE 112
Placentia, CA 92870
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
- Epiretinal membrane
- Retinal detachment
Eye injuries
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
6,474 services · 3,699 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
77 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
31 | As often as other peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
116 | More often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
104 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
1,301 | More than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
1,241 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
1,137 | More than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
823 | More than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
764 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
616 | More 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.
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 Placentia 3
Same specialty, same city.
Trained at Tulane University 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 1993 at Tulane University 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.
Common questions
What kind of doctor is John S. Marshburn?
John S. Marshburn is an eye doctor in Placentia, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is John S. Marshburn's address?
John S. Marshburn is listed at 1275 N Rose Dr Suite 112, Placentia, CA 92870. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John S. Marshburn?
The number on file is (714) 792-1199. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John S. Marshburn's NPI number?
John S. Marshburn's National Provider Identifier is 1245246164. 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 John S. Marshburn train?
John S. Marshburn attended Tulane University School of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has John S. Marshburn been practicing?
John S. Marshburn has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does John S. Marshburn perform?
According to Medicare billing data, John S. Marshburn performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan to determine eye length and lens power and ultrasound scan of cornea to determine thickness; 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
Has John S. Marshburn confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John S. Marshburn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.