DAVID J DIAZ MD
NPI 1548474018
Ophthalmology in Burlington, VT

NPI Status: Active since May 10, 2007

Contact Information

111 COLCHESTER AVE
BURLINGTON, VT
ZIP 05401
Phone: (802) 847-4500

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  • Individual
  • Male
  • Years of Experience 22
  • Ophthalmology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DAVID DIAZ

This page provides the complete NPI Profile along with additional information for David Diaz, a provider established in Burlington, Vermont with a medical specialization in Ophthalmology and more than 22 years of experience. He graduated from Perelman School Of Med At The University Of Pennsylvania in 2005. The healthcare provider is registered in the NPI registry with number 1548474018 assigned on May 2007. The practitioner's primary taxonomy code is 207W00000X with license number 0420011773 (VT). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1548474018
Provider Name
DAVID J DIAZ MD
Gender
Male
Entity Type
Individual
Location Address
111 COLCHESTER AVE BURLINGTON, VT 05401
Location Phone
(802) 847-4500
Mailing Address
111 COLCHESTER AVE BURLINGTON, VT 05401
Mailing Phone
(802) 847-4500
Medical School Name
PERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduation Year
2005
Is Sole Proprietor?
No
Enumeration Date
05-10-2007
Last Update Date
02-16-2014
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Ophthalmologists like David Diaz specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
0420011773
License State
VT
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207W00000XAllopathic & Osteopathic Physicians

Ophthalmology

250434 (MA)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
  • Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
  • Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
  • Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
  • Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
  • Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
  • Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
  • Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
  • Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
  • Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
  • Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
  • Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
P00755070OTHER (01)VTRAILROAD MEDICARE
1016570MEDICAID (05)VT 
001179701MEDICARE PIN (08)VT 

Medicare Participation & PECOS Enrollment Status

David Diaz is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

David Diaz is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3577617208

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20090814000522

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Cataract surgery

Cataract surgery is a procedure to remove the lens of your eye when it becomes cloudy, which is called a cataract. A synthetic lens is then inserted to restore clear vision. The operation is typically done on an outpatient basis and is very safe and effective.

This service was performed for 194 patients

Creation of eye fluid drainage tracts in iris using a laser, per session

This procedure uses a laser to create small drainage tracts in the iris, the colored part of your eye. This helps excess fluid escape, reducing pressure in the eye that can cause glaucoma. It's performed in sessions.

This service was performed 26 times for 16 patients

Creation of shunt to improve eye fluid flow

This procedure, known as a shunt creation, helps improve the flow of fluid in your eyes. It involves placing a tiny device in the eye to create a new pathway for fluid to drain, potentially reducing pressure and preventing damage to the optic nerve.

This service was performed 16 times for 16 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 302 times for 233 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 633 times for 478 patients

Exam of the internal drainage system of eye

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.

This service was performed 140 times for 124 patients

Exam of visual field with extended testing

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.

This service was performed 200 times for 168 patients

Exam of visual field with intermediate testing

An exam of the visual field with intermediate testing is a procedure that checks your peripheral (side) vision. It helps to identify blind spots which could be a sign of eye diseases. This non-invasive test is painless and quick.

This service was performed 349 times for 280 patients

Imaging of optic nerve

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).

This service was performed 442 times for 394 patients

Imaging of retina

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.

This service was performed 27 times for 23 patients

Measurement of corneal curvature and depth of eye

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.

This service was performed 89 times for 66 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 80 times for 80 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 21 times for 21 patients

Removal of cataract with insertion of prosthetic lens

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.

This service was performed 73 times for 43 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 34 times for 28 patients

Ultrasound scan of cornea to determine thickness

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.

This service was performed 52 times for 52 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.92 for a new patient copayment and $17.39 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 05401 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $127.71
  • Minimum New Patient Price $55.8
  • Maximum New Patient Price $168.48
  • Average New Patient Copayment $31.92
  • Minimum New Patient Copayment $13.95
  • Maximum New Patient Copayment $42.12

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $69.56
  • Minimum Established Patient Price $18.08
  • Maximum Established Patient Price $137.84
  • Average Established Patient Copayment $17.39
  • Minimum Established Patient Copayment $4.52
  • Maximum Established Patient Copayment $34.46

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. David Diaz is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
UNIV. OF VERMONT - FLETCHER ALLEN HEALTH CARE111 COLCHESTER AVE
BURLINGTON, VT 05401
(802) 847-0000Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1548474018, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 4 → 8 4 → 8 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 8 + 8 + 8 + 7 + 8 + 0 + 2 + 24 = 72

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1548474018.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
111 COLCHESTER AVE, PATRICK 109 MCHV
BURLINGTON, VT 05401
Urology
111 COLCHESTER AVE, FLETCHER ALLEN HEALTH CARE PAVILION LEVEL 5
BURLINGTON, VT 05401
Pharmacist
111 COLCHESTER AVE
BURLINGTON, VT 05401
Anesthesiology
111 COLCHESTER AVE
BURLINGTON, VT 05401
Physician Assistant
111 COLCHESTER AVE, FLETCHER ALLEN HEALTH CARE NEUROSURGERY
BURLINGTON, VT 05401
Dietitian, Registered
111 COLCHESTER AVE, FLETCHER ALLEN HEALTH CARE
BURLINGTON, VT 05401
Anesthesiology
111 COLCHESTER AVE
BURLINGTON, VT 05401
Physician Assistant
111 COLCHESTER AVE, DERMATOLOGY OUTPATIENT CLINIC, 5TH FLOOR
BURLINGTON, VT 05401
Nurse Anesthetist, Certified Registered
111 COLCHESTER AVE, FAHC ANESTHESIA
BURLINGTON, VT 05401
Nurse Anesthetist, Certified Registered
111 COLCHESTER AVE, FAHC-DEPARTMENT OF ANESTHESIOLOGY
BURLINGTON, VT 05401
Psychologist (Clinical)
111 COLCHESTER AVE, FAHC PSYCHOLOGY SERVICES
BURLINGTON, VT 05401
Ophthalmology
111 COLCHESTER AVE, 358WP5 OPHTHALMOLOGY
BURLINGTON, VT 05401
Nurse Anesthetist, Certified Registered
111 COLCHESTER AVE
BURLINGTON, VT 05401
Internal Medicine (Gastroenterology)
111 COLCHESTER AVE, 5TH FLOOR WEST PAVILION
BURLINGTON, VT 05401
Internal Medicine (Clinical Cardiac Electrophysiology)
111 COLCHESTER AVE, MCCLURE 1 BUILDING, FLETCHER ALLEN HEALTH CARE
BURLINGTON, VT 05401
Physician Assistant
111 COLCHESTER AVE, ACCMP2
BURLINGTON, VT 05401
Anesthesiology
111 COLCHESTER AVE, FAHC-WP2
BURLINGTON, VT 05401
Anesthesiology
111 COLCHESTER AVE, FAHC-WP2
BURLINGTON, VT 05401
Anesthesiology
111 COLCHESTER AVE, FAHC-WP2
BURLINGTON, VT 05401
Anesthesiology
111 COLCHESTER AVE, FAHC-WP2
BURLINGTON, VT 05401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548474018, enumerated as an "individual" on May 10, 2007.

The provider is located at 111 COLCHESTER AVE BURLINGTON, VT 05401 and the phone number is (802) 847-4500.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield, Railroad. Please consult your insurance carrier or call the provider to verify.

David Diaz is affiliated with: UNIV. OF VERMONT - FLETCHER ALLEN HEALTH CARE.