DR. ANTONIO DIAZ MD
NPI 1962433326
Clinic/Center - Radiology, Mammography in San Juan, PR

Q: What is Antonio Diaz's NPI number?

The NPI number for Antonio Diaz is 1962433326. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Q: What is Antonio Diaz's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, Mammography, with taxonomy code 261QR0206X.

Q: When was this NPI record last updated?

The NPPES record for Antonio Diaz was last updated on June 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 July 05, 2006PECOS EnrolledAccepts Medicare Assignment

URB MONTEHIEDRA CALLE, FALCON NO 51, SAN JUAN, PR 00926(787) 720-7954 Get Directions Write a Review

NPPES record last updated: June 20, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Antonio Diaz Md NPPES

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

DR. ANTONIO DIAZ MD (NPI 1962433326) is an individual radiology, mammography provider in San Juan, Puerto Rico, licensed in Puerto Rico (12064) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mayaguez Medical Center Dr Ramon Emeterio Betances, and is a graduate of University Of Puerto Rico School Of Medicine (1996).

NPPES Registry Identity

NPI1962433326

Entity TypeIndividualMale

Primary Taxonomy261QR0206X

Provider Legal NameDR. ANTONIO DIAZCredential: MD

Location AddressURB MONTEHIEDRA CALLE, FALCON NO 51San Juan, PR 00926

Mailing AddressUrb Montehiedra Calle, Falcon No 51San Juan, PR 00926 · (787) 720-7954

Phone(787) 720-7954

Sole ProprietorYes

Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1996

Enumeration DateJuly 5, 2006

Last NPPES UpdateJune 20, 2013

✔ NPI 1962433326 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Radiology, MammographyAmbulatory Health Care Facilities

Taxonomy Code261QR0206X

License✔ Licensed in PR · 12064

URB MONTEHIEDRA CALLE, San Juan, PR 00926

Open in Google Maps ↗

Other Identifiers 2

Medicare PIN0089572PR

Medicare ID-Type Unspecified89572PR · Provider

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

Dr. Antonio Diaz 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 ID8123924743

PECOS Enrollment IDI20031212000170

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 Reassignments

Medicare enrollment records show Antonio Diaz reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prymed Medical Care, Inc

26 mi

Federally Qualified Health Center (FQHC)

CALLE 149 KM 13
Ciales, PR 00638

Reassigned Medicare billing, Puerto Rico enrollment
21 clinicians in this Medicare group

NPI 1881661866 (787) 871-0601

Dorado Health Inc

27 mi

General Acute Care Hospital

CALLE HERNANDEZ CARRION, URB. ATENAS
Manati, PR 00674

Reassigned Medicare billing, Puerto Rico enrollment
7 clinicians in this Medicare group

NPI 1376605170 (787) 621-3700

Mayaguez Medical Center Dr Ramon Emeterio Betances Inc

71 mi

General Acute Care Hospital

AVE HOSTOS, #410
Mayaguez, PR 00682

Reassigned Medicare billing, Puerto Rico enrollment
19 clinicians in this Medicare group

NPI 1013140383 (787) 652-9200

Ct Radiology Complex LLC

Diagnostic Radiology

1815 RD 2, CT RADIOLOGY COMPLEX
Bayamon, PR 00959

Reassigned Medicare billing, Puerto Rico enrollment
17 clinicians in this Medicare group

NPI 1700870326 (787) 780-9069

Ct Radiology Complex, LLC

Diagnostic Radiology

1815 RD 2, CT RADIOLOGY BUILDING
Bayamon, PR 00959

Reassigned Medicare billing, Puerto Rico enrollment
21 clinicians in this Medicare group

NPI 1558356493 (787) 780-9069

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 41

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,400 services15 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

504 services282 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

229 services196 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

174 services147 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

173 services145 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

78 services75 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

76 services59 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

68 services67 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

62 services62 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

56 services51 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

46 services45 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

45 services41 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

41 services38 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

36 services34 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

34 services29 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

34 services30 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

34 services32 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

31 services29 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

29 services29 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

28 services25 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

24 services24 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

23 services20 patients

X-ray of hand, 2 views 73120

An X-ray of the hand, 2 views, is a non-invasive imaging test that uses a small amount of radiation to produce pictures of the bones in your hand. Two different angles are captured to provide a comprehensive view. This helps in diagnosing injuries or conditions affecting your hand.

23 services19 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

22 services21 patients

X-ray of foot, 2 views 73620

An X-ray of the foot, 2 views, is a quick, painless test that produces images of the bones and structures inside your foot. Two different angles are used to provide a comprehensive view. This helps doctors diagnose fractures, infections, or other abnormalities.

22 services19 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

20 services19 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

18 services17 patients

X-ray of wrist, 2 views 73100

An X-ray of the wrist, 2 views, is a diagnostic procedure where two different images of your wrist are taken using a small amount of radiation. This helps identify any abnormalities or injuries such as fractures or arthritis. It's a quick, non-invasive process.

18 services14 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

17 services17 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

17 services16 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

17 services15 patients

X-ray of both hips, 2 views 73521

An X-ray of both hips, 2 views, is an imaging test that uses a small amount of radiation to create detailed pictures of your hip joints. This procedure helps to detect fractures, infections, or other abnormalities in the hip area. Two different angles will be captured for a comprehensive assessment.

16 services16 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

16 services15 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

15 services15 patients

Ct scan of chest without contrast 71250

15 services15 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

14 services14 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

13 services12 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

11 services11 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

11 services11 patients

Ct scan of heart with evaluation of blood vessel calcium 75571

A CT scan of the heart with evaluation of blood vessel calcium is a non-invasive test that uses X-rays to create detailed images of your heart. It helps in detecting and measuring calcium-containing plaque in the arteries, which can indicate heart disease.

11 services11 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayaguez Medical Center Dr Ramon Emeterio Betances

Acute Care Hospitals · Mayaguez, PR

OwnershipProprietary

CMS Certification Number400103

LocationCarr 2 Bo SabalosMayaguez, PR 00682 · Mayaguez County

Emergency services

Manati Medical Center Dr Otero Lopez

Acute Care Hospitals · Manati, PR

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number400114

LocationCarr 668 Calle Hernandez Carrion Urb AtenasManati, PR 00674 · Manati County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00926 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

$172.44 typical visit price

range $56.86 – $172.44

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

Most-billed visit code 99205

Established Patient

$100.24 typical visit price

range $18.24 – $140.44

Typical copayment $25.06 (range $4.56 – $35.11)

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.

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 Antonio Diaz's NPI number?

The NPI number for Antonio Diaz is 1962433326. It was assigned to this individual provider in the NPPES registry on July 5, 2006.

Where is Antonio Diaz located?

Antonio Diaz practices at Urb Montehiedra Calle Falcon No 51, San Juan, PR 00926. The listed phone number is (787) 720-7954.

What is Antonio Diaz's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, Mammography, with taxonomy code 261QR0206X.

Is Antonio Diaz enrolled in Medicare?

Yes. Antonio Diaz 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.

Which organizations bill Medicare for Antonio Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antonio Diaz reassigns Medicare benefits to 5 organizations: Prymed Medical Care, Inc (Ciales, PR), Dorado Health Inc (Manati, PR), Mayaguez Medical Center Dr Ramon Emeterio Betances Inc (Mayaguez, PR), Ct Radiology Complex LLC (Bayamon, PR) and Ct Radiology Complex, LLC (Bayamon, PR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Antonio Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Antonio Diaz affiliated with any hospitals?

According to CMS data, Antonio Diaz is affiliated with Mayaguez Medical Center Dr Ramon Emeterio Betances and Manati Medical Center Dr Otero Lopez.

When was this NPI record last updated?

The NPPES record for Antonio Diaz was last updated on June 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.