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Edit this profileAt a glance
- 835 Third Ave Ste A, Chula Vista, CA 91911
About Dr. Ip
Based in Chula Vista, CA, Colin S. Ip, MD is listed in the NPI registry under ophthalmology — cornea & external disease. Colin graduated from Indiana University School of Medicine in 2017. Medicare claims data shows Colin provided 1,788 services to 1,375 patients. The services billed most often include established patient problem focused exam of visual system, established patient complete exam of visual system, and measurement of corneal curvature and depth of eye. NPI 1295266815 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
- (619) 378-3202
- Email not available
Practice Locations
835 THIRD AVE STE A
Chula Vista, CA 91911
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
Eye injury and cancer
Inflammation, neurologic, and orbit
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
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,788 services · 1,375 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
84 | As often as other peers in Ophthalmology — Cornea &… |
| Closure of tear duct opening using plug | Procedure | 68761 |
64 | More often than most peers in Ophthalmology — Cornea &… |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
35 | More often than most peers in Ophthalmology — Cornea &… |
| Removal or relocation of corneal conjunctiva with graft | Procedure | 65426 |
14 | Too few peers to compare |
| Removal of growth of cornea | Procedure | 65400 |
13 | Too few peers to compare |
| Established patient problem focused exam of visual system | Treatment | 92012 |
671 | More than most peers in Ophthalmology — Cornea &… |
| Established patient complete exam of visual system | Treatment | 92014 |
127 | As often as other peers in Ophthalmology — Cornea &… |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
119 | As often as other peers in Ophthalmology — Cornea &… |
| Ct scan of cornea | Treatment | 92025 |
107 | More often than most peers in Ophthalmology — Cornea &… |
| Imaging of retina | Treatment | 92134 |
75 | As often as other peers in Ophthalmology — Cornea &… |
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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Trained at Indiana University School of Medicine 1
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2017 at Indiana 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 is Dr. Ip's specialty?
Dr. Ip is an eye doctor in Chula Vista, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Cornea & External Disease”.
NPI registry
Where can I find Dr. Ip?
Dr. Ip is listed at 835 Third Ave Ste A, Chula Vista, CA 91911. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ip?
The number on file is (619) 378-3202. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Ip?
Dr. Ip's National Provider Identifier is 1295266815. 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. Ip's medical education?
Dr. Ip attended Indiana University School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ip have?
Dr. Ip has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ip known for?
According to Medicare billing data, Dr. Ip performs procedures including removal of cataract with insertion of prosthetic lens, closure of tear duct opening using plug and complex removal of cataract with insertion of prosthetic lens; provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ip's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ip. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.