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DR. DIEGO JOSE DIAZ MD
NPI 1598396129
Internal Medicine in Bayamon, PR

Active since February 02, 2020PECOS Enrolled
100 PASEO SAN PABLO, EDIF CADILLA OFICINA 405, BAYAMON, PR 00961(787) 269-5655(787) 979-1179 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 27, 2026, Jul 2, 2025, Sep 28, 2021 and 1 more (4 updates tracked since 2020).

About Dr. Diego Jose Diaz Md NPPES

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

DR. DIEGO JOSE DIAZ MD (NPI 1598396129) is an individual internal medicine provider in Bayamon, Puerto Rico, licensed in Puerto Rico (23690) and active in the NPI registry since February 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598396129
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DIEGO JOSE DIAZCredential: MD
Location Address100 PASEO SAN PABLO, EDIF CADILLA OFICINA 405Bayamon, PR 00961-7033
Mailing Address100 Paseo San Pablo, Edif Cadilla Oficina 405Bayamon, PR 00961-7033 · (787) 269-5655 · Fax (787) 979-1179
Phone(787) 269-5655
Fax(787) 979-1179
Sole ProprietorYes
Enumeration DateFebruary 2, 2020
Last NPPES UpdateMay 27, 20264 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1598396129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PR · 23690
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.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Diego Jose Diaz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00961 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
$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.

Other Providers at the Same Location NPPES 20

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

DR. ANA I RIVERA DE LA VEGA M.D.
Internal Medicine (Nephrology)
100 PASEO SAN PABLO, EDIF. DR. ARTURO CADILLA, SUITE 201
BAYAMON, PR 00961
Bayamón Municipio (787) 778-8774
DR. LESBIA APONTE M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
100 PASEO SAN PABLO, CADILLA BLDG.,SUITE 203
BAYAMON, PR 00961
Bayamón Municipio (787) 798-2975
BIA IMAGING ASSOCIATES, PSC
Radiology (Diagnostic Radiology)
100 PASEO SAN PABLO, SUITE 208
BAYAMON, PR 00961
Bayamón Municipio (787) 269-2442
DR. FELIX G DEL RIO MD
Internal Medicine (Cardiovascular Disease)
100 PASEO SAN PABLO, DR. ARTURO CADILLA BUILDING, SUITE 202
BAYAMON, PR 00961
Bayamón Municipio (787) 786-6792
PREFERRED PODIATRY NETWORK OF PUERTO RICO, LLC
Podiatrist
100 PASEO SAN PABLO, EDIF DR. ARTURO CADILLA OFIC 409
BAYAMON, PR 00961
Bayamón Municipio (787) 435-2292
COMPREHENSIVE RADIOLOGICAL SYSTEM
Clinic/Center (Radiology)
100 PASEO SAN PABLO, EDIFICIO ARTURO CADILLA (SUITE 407)
BAYAMON, PR 00961
Bayamón Municipio (787) 740-3955
PRADISE AUDIOLOGY & BALANCE CENTER LLC
Audiologist
100 PASEO SAN PABLO, EDIFICIO DOCTOR ARTURO CADILLA VINAS OFICINA 412
BAYAMON, PR 00961
Bayamón Municipio (787) 395-3333
CENTRO ONCOLOGICO INTEGRAL DE PUERTO RICO INC
Counselor (Professional)
100 PASEO SAN PABLO, EDIFICIO ARTURO CADILLA SUITE 510
BAYAMON, PR 00961
Bayamón Municipio (787) 787-3268

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 Diego Diaz's NPI number?

The NPI number for Diego Diaz is 1598396129. It was assigned to this individual provider in the NPPES registry on February 2, 2020.

Where is Diego Diaz located?

Diego Diaz practices at 100 Paseo San Pablo Edif Cadilla Oficina 405, Bayamon, PR 00961. The listed phone number is (787) 269-5655.

What is Diego Diaz's specialty?

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

Is Diego Diaz enrolled in Medicare?

Yes. Diego Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diego Diaz was last updated on May 27, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.