COLIN SIU-TAK IP MD
NPI 1295266815
Ophthalmology - Cornea and External Diseases Specialist in Chula Vista, CA

Q: What is Colin Ip's NPI number?

The NPI number for Colin Ip is 1295266815. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Q: What is Colin Ip's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Cornea and External Diseases Specialist, with taxonomy code 207WX0120X.

Q: When was this NPI record last updated?

The NPPES record for Colin Ip was last updated on September 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 24, 2017PECOS EnrolledAccepts Medicare Assignment

86.94/100

CMS Quality Rating

835 THIRD AVE STE A, CHULA VISTA, CA 91911(619) 378-3202 Get Directions Write a Review

NPPES record last updated: September 14, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 14, 2022, Nov 10, 2021, Oct 21, 2021 and 2 more (5 updates tracked since 2017).

On this page

About Colin Siu-tak Ip Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COLIN SIU-TAK IP MD (NPI 1295266815) is an individual cornea and external diseases specialist in Chula Vista, California, licensed in California (A175936) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (2017).

NPPES Registry Identity

NPI1295266815

Entity TypeIndividualMale

Primary Taxonomy207WX0120X

Provider Legal NameCOLIN SIU-TAK IPCredential: MD

Location Address835 THIRD AVE STE AChula Vista, CA 91911-1352

Mailing Address835 Third Ave Ste AChula Vista, CA 91911-1352 · (619) 378-3202

Phone(619) 378-3202

Sole ProprietorYes

Medical School CMSIndiana University School Of MedicineGraduated 2017

Enumeration DateMarch 24, 2017

Last NPPES UpdateSeptember 14, 20225 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2022

✔ NPI 1295266815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Cornea and External Diseases SpecialistAllopathic & Osteopathic Physicians

Taxonomy Code207WX0120X

License✔ Licensed in CA · A175936

Definition

An ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.

835 THIRD AVE STE A, Chula Vista, CA 91911

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Colin Siu-tak Ip Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082020755

PECOS Enrollment IDI20220323001432

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Colin Ip reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

California Retina Associates, LP

Same address

Ophthalmology

835 3RD AVE, SUITE A
Chula Vista, CA 91911

Reassigned Medicare billing, California enrollment
25 clinicians in this Medicare group

NPI 1114033404 (619) 425-7755

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

671 services413 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

127 services122 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

119 services83 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

115 services109 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

107 services97 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

88 services81 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

84 services59 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

75 services69 patients

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

74 services68 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

66 services57 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

64 services49 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

51 services48 patients

Fitting of contact lens for treatment of eye surface disease 92071

Fitting of contact lenses for eye surface disease involves a specialist assessing your eye condition and prescribing special lenses. These lenses help protect the eye surface, promote healing, and improve vision. It's a safe, non-invasive treatment.

37 services18 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

35 services28 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

34 services34 patients

Removal or relocation of corneal conjunctiva with graft 65426

This procedure involves the removal or relocation of the conjunctiva, a thin layer covering the white part of your eye, and replacing it with a graft. This is typically done to treat conditions affecting the eye's surface, improving comfort and vision.

14 services13 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

14 services14 patients

Removal of growth of cornea 65400

The removal of a corneal growth is a procedure to eliminate abnormal tissue from the cornea, the clear front surface of the eye. This can help improve vision and alleviate discomfort. The process is typically performed by an ophthalmologist under local anesthesia.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91911 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.94/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

Improvement Activities

Cost

43.68

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KYLE MARCUS GREEN MD

Ophthalmology (Retina Specialist)