DR. RAFAEL CANADAS-ZIZZIAS M.D.
NPI 1801897616
Internal Medicine in Dallas, TX

Active since August 02, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 45D0931811 · Waiver
12201 MERIT DR, SUITE 180, DALLAS, TX 75251(972) 385-9700(972) 385-9790 Get Directions Write a Review

NPPES record last updated: April 15, 2014. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Rafael Canadas-zizzias M.d. NPPES

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

DR. RAFAEL CANADAS-ZIZZIAS M.D. (NPI 1801897616) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (K1382) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through September 4, 2027, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1801897616
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RAFAEL CANADAS-ZIZZIASCredential: M.D.
Location Address12201 MERIT DR, SUITE 180Dallas, TX 75251-2213
Mailing Address12201 Merit Dr, Suite 180Dallas, TX 75251-2213 · (972) 385-9700 · Fax (972) 385-9790
Fax(972) 385-9790
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateAugust 2, 2005
Last NPPES UpdateApril 15, 2014
NPI 1801897616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · K1382
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

12201 MERIT DR, Dallas, TX 75251

Other Identifiers 2

Medicare UPING52902TX
Medicare PIN8F5661TX

Accepted Insurance

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

Dr. Rafael Canadas-zizzias 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 ID5294826236
PECOS Enrollment IDI20070806000784
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 45D0931811

Rafael Canadas MD · Dallas, TX
Active · expires Sep 4, 2027
CLIA Number45D0931811
Laboratory TypePhysician Office
Certificate Effective DateSeptember 5, 2025
Certificate Expiration DateSeptember 4, 2027
Laboratory DirectorRafael Canadas MD
Laboratory Phone(972) 385-9700
Laboratory LocationRafael Canadas MD12201 Merit Drive Suite 180, Dallas, TX 75251
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 26

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 office or other outpatient visit, 30-39 minutes 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.
357 services102 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
279 services31 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
251 services29 patients
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458
This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.
98 services24 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
87 services87 patients
Annual alcohol misuse screening, 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
84 services84 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75251 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers36 claims132 services$6.56 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
2 suppliers15 claims15 services$2.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers22 claims47 services$1.21 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers23 claims23 services$207.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 13

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

Radiology (Diagnostic Radiology)
12201 MERIT DR, STE. 100
DALLAS, TX 75251
Internal Medicine
12201 MERIT DR, SUITE 440
DALLAS, TX 75251
Internal Medicine
12201 MERIT DR, SUITE 350
DALLAS, TX 75251
Family Medicine
12201 MERIT DR, SUITE 350
DALLAS, TX 75251
Internal Medicine
12201 MERIT DR, SUITE 440
DALLAS, TX 75251
Internal Medicine
12201 MERIT DR, SUITE 180
DALLAS, TX 75251
Anesthesiology
12201 MERIT DR, SUITE 420
DALLAS, TX 75251
Obstetrics & Gynecology
12201 MERIT DR, SUITE 350
DALLAS, TX 75251

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 Rafael Canadas-zizzias's NPI number?

The NPI number for Rafael Canadas-zizzias is 1801897616. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Where is Rafael Canadas-zizzias located?

Rafael Canadas-zizzias practices at 12201 Merit Dr Suite 180, Dallas, TX 75251. The listed phone number is (972) 385-9700.

What is Rafael Canadas-zizzias's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Rafael Canadas-zizzias enrolled in Medicare?

Yes. Rafael Canadas-zizzias 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 Rafael Canadas-zizzias hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0931811) is associated with this NPI, valid through September 4, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Rafael Canadas-zizzias accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Rafael Canadas-zizzias as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rafael Canadas-zizzias was last updated on April 15, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.