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DR. PORFIRIO ERNESTO DIAZ MD
NPI 1992727713
Internal Medicine - Cardiovascular Disease in San Juan, PR

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment
#1021 GENERAL DEL VALLE URB. DELICIAS, SAN JUAN, PR 00924(787) 731-2123 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Porfirio Ernesto Diaz Md NPPES

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

DR. PORFIRIO ERNESTO DIAZ MD (NPI 1992727713) is an individual cardiovascular disease provider in San Juan, Puerto Rico, licensed in Puerto Rico (6921) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1992727713
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. PORFIRIO ERNESTO DIAZCredential: MD
Location Address#1021 GENERAL DEL VALLE URB. DELICIASSan Juan, PR 00924-3722
Mailing Address#1021 General Del Valle Urb. DeliciasSan Juan, PR 00924-3722 · (787) 731-2123
Phone(787) 731-2123
Sole ProprietorYes
Medical School CMSOtherGraduated 1980
Enumeration DateJuly 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1992727713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in PR · 6921
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Porfirio Ernesto 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 ID6608010061
PECOS Enrollment IDI20130925000327
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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
49 services26 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
20 services18 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 00924 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
$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 Porfirio Diaz's NPI number?

The NPI number for Porfirio Diaz is 1992727713. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Porfirio Diaz located?

Porfirio Diaz practices at #1021 General Del Valle Urb. Delicias, San Juan, PR 00924. The listed phone number is (787) 731-2123.

What is Porfirio Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Porfirio Diaz enrolled in Medicare?

Yes. Porfirio 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.

When was this NPI record last updated?

The NPPES record for Porfirio Diaz was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.