BRYAN A SANTIAGO DIAZ SR. M.D.
NPI 1740733427
Internal Medicine in Caguas, PR

Q: What is Bryan Santiago Diaz's NPI number?

The NPI number for Bryan Santiago Diaz is 1740733427. It was assigned to this individual provider in the NPPES registry on July 28, 2016.

Q: What is Bryan Santiago Diaz's specialty?

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

Active since July 28, 2016PECOS EnrolledAccepts Medicare Assignment

2.8 CARR 189, N/A, CAGUAS, PR 00725(787) 981-0804 Get Directions Write a Review

NPPES record last updated: December 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 30, 2024, Jun 8, 2022, Dec 19, 2018 (3 updates tracked since 2018).

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About Bryan A Santiago Diaz Sr. M.d. NPPES

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

BRYAN A SANTIAGO DIAZ SR. M.D. (NPI 1740733427) is an individual internal medicine provider in Caguas, Puerto Rico, licensed in Puerto Rico (19432) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with Hospital San Francisco, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1740733427

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameBRYAN A SANTIAGO DIAZ SR.Credential: M.D.

Location Address2.8 CARR 189, N/ACaguas, PR 00725-6163

Mailing AddressQ1 Calle Santa Lucia, Santa ElviraCaguas, PR 00725-3440 · (787) 981-0804

Phone(787) 981-0804

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateJuly 28, 2016

Last NPPES UpdateDecember 30, 20243 updates tracked since enumeration

NPPES CertifiedDecember 20, 2024

✔ NPI 1740733427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in PR · 19432

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

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

Bryan A Santiago Diaz Sr. 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 ID4284050162

PECOS Enrollment IDI20210623000503

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 Reassignment

Medicare enrollment records show Bryan Santiago Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hope Med Psc

Internal Medicine

AVE PONCE DE LEON, HATO REY
San Juan, PR 00919

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

NPI 1265003198 (787) 785-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Hospital San Francisco

Acute Care Hospitals · San Juan, PR

OwnershipProprietary

CMS Certification Number400098

Location371 De Diego AveSan Juan, PR 00923 · San Juan County

Hospital Pavia Caguas

Acute Care Hospitals · Caguas, PR

OwnershipProprietary

CMS Certification Number400120

LocationUrb Mariolga 100 Ave Luis Munoz MarinCaguas, PR 00725 · Caguas County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00725 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

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

KATHERINE ELIZABETH VELAZQUEZ MPSY

Psychologist (Clinical)

2.8 CARR 189
CAGUAS, PR 00725

Caguas Municipio (787) 533-6833

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 Bryan Santiago Diaz's NPI number?

The NPI number for Bryan Santiago Diaz is 1740733427. It was assigned to this individual provider in the NPPES registry on July 28, 2016.

Where is Bryan Santiago Diaz located?

Bryan Santiago Diaz practices at 2.8 Carr 189 N/A, Caguas, PR 00725. The listed phone number is (787) 981-0804.

What is Bryan Santiago Diaz's specialty?

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

Is Bryan Santiago Diaz enrolled in Medicare?

Yes. Bryan Santiago 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 organization bills Medicare for Bryan Santiago Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bryan Santiago Diaz reassigns Medicare benefits to Hope Med Psc (San Juan, PR). The 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 Bryan Santiago Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Bryan Santiago Diaz affiliated with any hospitals?

According to CMS data, Bryan Santiago Diaz is affiliated with Hospital San Francisco and Hospital Pavia Caguas.

When was this NPI record last updated?

The NPPES record for Bryan Santiago Diaz was last updated on December 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.