Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIE G DIAZ PARES
NPI 1659807733
Internal Medicine - Infectious Disease in San Juan, PR

Active since May 10, 2017PECOS Enrolled
387 CALLE ELEONOR ROOSEVELT, SAN JUAN, PR 00918(787) 612-6334 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 6, 2026, May 10, 2017 (2 updates tracked since 2017).

About Marie G Diaz Pares NPPES

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

MARIE G DIAZ PARES (NPI 1659807733) is an individual infectious disease provider in San Juan, Puerto Rico, licensed in Puerto Rico (019623) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659807733
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameMARIE G DIAZ PARES
Location Address387 CALLE ELEONOR ROOSEVELTSan Juan, PR 00918-2108
Mailing Address387 Calle Eleonor RooseveltSan Juan, PR 00918-2108 · (787) 612-6334
Sole ProprietorYes
Enumeration DateMay 10, 2017
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
NPI 1659807733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in PR · 019623
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Marie G Diaz Pares 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 00918 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.

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 Marie Diaz Pares's NPI number?

The NPI number for Marie Diaz Pares is 1659807733. It was assigned to this individual provider in the NPPES registry on May 10, 2017.

Where is Marie Diaz Pares located?

Marie Diaz Pares practices at 387 Calle Eleonor Roosevelt, San Juan, PR 00918. The listed phone number is (787) 612-6334.

What is Marie Diaz Pares's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Marie Diaz Pares enrolled in Medicare?

Yes. Marie Diaz Pares is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Marie Diaz Pares was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.