RICARDO A LOPEZ DIAZ MD
NPI 1780117101
Radiology - Vascular & Interventional Radiology in Bayamon, PR

Q: What is Ricardo Lopez Diaz's NPI number?

The NPI number for Ricardo Lopez Diaz is 1780117101. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Q: What is Ricardo Lopez Diaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Active since April 04, 2017PECOS EnrolledAccepts Medicare Assignment

PR-2, KM 11.7, BAYAMON, PR 00959(787) 620-8181 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 7, 2026, Jun 5, 2024, May 11, 2023 and 5 more (8 updates tracked since 2017).

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About Ricardo A Lopez Diaz Md NPPES

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

RICARDO A LOPEZ DIAZ MD (NPI 1780117101) is an individual vascular & interventional radiology provider in Bayamon, Puerto Rico, licensed in Puerto Rico (23567) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Sanford Medical Center Bismarck, and maintains a secondary practice location in Rochester.

NPPES Registry Identity

NPI1780117101

Entity TypeIndividualMale

Primary Taxonomy2085R0204X

Provider Legal NameRICARDO A LOPEZ DIAZCredential: MD

Location AddressPR-2, KM 11.7Bayamon, PR 00959

Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511

Phone(787) 620-8181

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateApril 4, 2017

Last NPPES UpdateMay 7, 20268 updates tracked since enumeration

NPPES CertifiedMay 7, 2026

✔ NPI 1780117101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0204X

License✔ Licensed in PR · 23567

Definition

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 64241 (MN), 23567 (PR)

Secondary Practice Location 1

Location 1200 1st St SWRochester, MN 55905 · Phone (507) 284-2511

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota.Insurance ›

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

Ricardo A Lopez 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 ID8820362296

PECOS Enrollment IDI20240909001041, I20240925000607

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 Ricardo Lopez Diaz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

M & P Radiologos, LLC

Body Imaging

MANUEL PAVIA STREET, 617
San Juan, PR 00909

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

NPI 1043287055 (787) 727-5381

Pr Imaging LLC

Vascular & Interventional Radiology

CARR 2 KM 11.7, BAYAMON MEDICAL CENTER
Bayamon, PR 00959

Reassigned Medicare billing, Puerto Rico enrollment

NPI 1871323170 (787) 620-8181

San Pablo Developers, Inc

Diagnostic Radiology

STREET 70 EDIFICIO DR. ARTURO CADILLA, SUITE 102
Bayamon, PR 00957

Reassigned Medicare billing, Puerto Rico enrollment
Also billed through NPI 1861703464 (Puerto Rico)
14 clinicians in this Medicare group

NPI 1760478549 (787) 269-2442

Sanford Bismarck

Occupational Medicine

1531 W VILLARD ST STE A
Dickinson, ND 58601

Reassigned Medicare billing, North Dakota and Puerto Rico enrollments
Also billed through NPI 1811941172 (Puerto Rico)
779 clinicians in this Medicare group

NPI 1669524351 (701) 225-7575

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 17

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.

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.

121 services114 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.

67 services59 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

62 services49 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.

61 services58 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.

61 services59 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.

54 services53 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.

36 services30 patients

X-ray of chest, 2 views 71046

34 services32 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

33 services29 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

31 services23 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.

22 services21 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

21 services20 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

21 services16 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

17 services14 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

16 services16 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.

14 services14 patients

X-ray of hip, 2-3 views 73502

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Sanford Medical Center Bismarck

Acute Care Hospitals · Bismarck, ND

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number350015

Location300 N 7th StBismarck, ND 58506 · Burleigh County

Emergency services Birthing friendly

Mckenzie County Healthcare Systems Inc

Critical Access Hospitals · Watford City, ND

OwnershipVoluntary non-profit - Private

CMS Certification Number351302

Location709 4th Ave NEWatford City, ND 58854 · Mckenzie County

Emergency services

Hospital Pavia Santurce

Acute Care Hospitals · San Juan, PR

OwnershipVoluntary non-profit - Private

CMS Certification Number400019

LocationStreet Profesor Augusto Rodriguez #1462San Juan, PR 00910 · San Juan County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00959 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

$88.07 typical visit price

range $56.86 – $172.44

Typical copayment $22.01 (range $14.21 – $43.11)

Most-billed visit code 99203

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.

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 Ricardo Lopez Diaz's NPI number?

The NPI number for Ricardo Lopez Diaz is 1780117101. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Ricardo Lopez Diaz located?

Ricardo Lopez Diaz practices at Pr-2, Km 11.7, Bayamon, PR 00959. The listed phone number is (787) 620-8181.

What is Ricardo Lopez Diaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Ricardo Lopez Diaz enrolled in Medicare?

Yes. Ricardo Lopez 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 Ricardo Lopez Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ricardo Lopez Diaz reassigns Medicare benefits to 4 organizations: M & P Radiologos, LLC (San Juan, PR), Pr Imaging LLC (Bayamon, PR), San Pablo Developers, Inc (Bayamon, PR) and Sanford Bismarck (Dickinson, ND). 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 Ricardo Lopez Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ricardo Lopez Diaz accept?

Health plans from Blue Cross Blue Shield of North Dakota list Ricardo Lopez Diaz 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.

Is Ricardo Lopez Diaz affiliated with any hospitals?

According to CMS data, Ricardo Lopez Diaz is affiliated with Sanford Medical Center Bismarck, Mckenzie County Healthcare Systems Inc and Hospital Pavia Santurce.

When was this NPI record last updated?

The NPPES record for Ricardo Lopez Diaz was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.