Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ERNESTO LUIS COLLAZO M.D.
NPI 1134112667
Ophthalmology in San Juan, PR

Q: What is Ernesto Collazo's NPI number?

The NPI number for Ernesto Collazo is 1134112667. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Q: What is Ernesto Collazo's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Ernesto Collazo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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 August 30, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 40D2072978 · Waiver

100/100

CMS Quality Rating

1503 PROF. AUGUSTO RODRIGUEZ, SEGUNDO PISO, SAN JUAN, PR 00909(787) 728-3700(787) 728-4390 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Apr 20, 2018 (2 updates tracked since 2018).

On this page

About Ernesto Luis Collazo M.d. NPPES

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

ERNESTO LUIS COLLAZO M.D. (NPI 1134112667) is an individual ophthalmology provider in San Juan, Puerto Rico, licensed in Puerto Rico (11507) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through February 9, 2028, and is a graduate of New York University School Of Medicine (1986).

NPPES Registry Identity

NPI1134112667

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameERNESTO LUIS COLLAZOCredential: M.D.

Location Address1503 PROF. AUGUSTO RODRIGUEZ, SEGUNDO PISOSan Juan, PR 00909

Mailing AddressPo Box 366407San Juan, PR 00936-6407 · (787) 728-3700 · Fax (787) 728-4390

Phone(787) 728-3700

Fax(787) 728-4390

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 1986

Enumeration DateAugust 30, 2005

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1134112667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in PR · 11507

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ernesto Luis Collazo M.d. 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 ID7618935024

PECOS Enrollment IDI20041230000418

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 40D2072978

Ernesto Collazo Batista , MD, Psc · Santurce, PR

Active · expires Feb 9, 2028

CLIA Number40D2072978

Laboratory TypePhysician Office

Certificate Effective DateFebruary 10, 2026

Certificate Expiration DateFebruary 9, 2028

Laboratory DirectorDr. Ernesto Collazo

Laboratory Phone(787) 728-3700

Laboratory LocationErnesto Collazo Batista , MD, Psc1503 Prof Augusto Rodriguez St Second Floor, Santurce, PR 00909

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 20

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.

331 services221 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).

211 services211 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

207 services93 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.

192 services168 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.

162 services136 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.

135 services134 patients

Measurement of retinal and optic nerve function 92273

This procedure checks the health of your eyes, specifically the retina and optic nerve. These parts help in visual interpretation. The test involves non-invasive techniques to measure your eye's response to light and assess its functioning.

111 services110 patients

Pattern recording of retinal electrical responses to external stimuli with interpretation and report 0509T

This procedure records the electrical responses of your retina to light stimuli. It helps understand how your eye cells are functioning. A report is prepared interpreting the results, aiding in diagnosis and treatment planning.

95 services94 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.

84 services84 patients

Measurement of nerve conduction using visual stimulation testing with report 95930

This procedure involves testing the speed and strength of signals traveling through your nerves, using visual stimuli. It helps identify any nerve damage or dysfunction. A report of the results is provided for further analysis.

80 services80 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.

40 services40 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.

35 services35 patients

Insertion of probe into nasal tear duct 68810

The insertion of a probe into the nasal tear duct is a procedure done to clear blockages in the tear duct. This helps restore normal tear drainage, preventing excessive tearing or infection. A thin, flexible instrument is gently inserted into the duct to open it up. It's a quick, usually painless process.

34 services28 patients

New patient problem focused exam of visual system 92002

A new patient problem-focused exam of the visual system is a basic evaluation of your eyes and vision. It includes checking your eye movements, visual acuity, and general eye health. It helps detect any potential issues early for timely treatment.

30 services30 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

28 services28 patients

Extended exam of the back part of the eye with optic nerve drawing 92202

This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.

26 services26 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.

20 services17 patients

Ultrasound scan to determine eye length and lens power 76519

An ultrasound scan for the eye is a safe, non-invasive procedure. It uses sound waves to create images of your eye's structure. This helps determine the length of your eye and the power of your lens, which is crucial for diagnosing eye conditions and planning surgeries.

16 services13 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.

15 services11 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00909 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

$130.65 typical visit price

range $56.86 – $172.44

Typical copayment $32.66 (range $14.21 – $43.11)

Most-billed visit code 99204

Established Patient

$70.88 typical visit price

range $18.24 – $140.44

Typical copayment $17.72 (range $4.56 – $35.11)

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.

100/100

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

Individually scored

Quality

100

Improvement Activities

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ernesto Collazo's NPI number?

The NPI number for Ernesto Collazo is 1134112667. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Ernesto Collazo located?

Ernesto Collazo practices at 1503 Prof. Augusto Rodriguez Segundo Piso, San Juan, PR 00909. The listed phone number is (787) 728-3700.

What is Ernesto Collazo's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Ernesto Collazo enrolled in Medicare?

Yes. Ernesto Collazo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Ernesto Collazo hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 40D2072978) is associated with this NPI, valid through February 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ernesto Collazo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.