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DR. JOSUE DIAZ-FRIAS
NPI 1871956664
Internal Medicine - Adult Congenital Heart Disease in Pittsburgh, PA

Active since March 30, 2016PECOS EnrolledAccepts Medicare Assignment
4401 PENN AVE, PITTSBURGH, PA 15224(412) 692-5841 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2023, Jun 22, 2023, Dec 14, 2021 and 3 more (6 updates tracked since 2016).

About Dr. Josue Diaz-frias NPPES

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

DR. JOSUE DIAZ-FRIAS (NPI 1871956664) is an individual adult congenital heart disease provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD491350) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Upmc Children's Hospital Of Pittsburgh, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1871956664
Entity TypeIndividualMale
Primary Taxonomy207RA0002X
Provider Legal NameDR. JOSUE DIAZ-FRIAS
Location Address4401 PENN AVEPittsburgh, PA 15224-1334
Mailing Address4401 Penn Ave Ste 5140Pittsburgh, PA 15224-1334 · (412) 692-5841
Phone(412) 692-5841
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 30, 2016
Last NPPES UpdateOctober 24, 20256 updates tracked since enumeration
NPPES CertifiedOctober 24, 2025
✔ NPI 1871956664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Adult Congenital Heart DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RA0002X
License✔ Licensed in PA · MD491350
Definition

A physician who specializes in the care and treatment of adults with congenital heart disease. Adult congenital heart disease (ACHD) physicians are trained to understand the complexities of congenital heart disease, anatomy, physiology, surgical repairs, and long-term complications and use that to manage ACHD with acquired heart disease, including heart failure, arrhythmias, and pulmonary hypertension.

Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License MD491350 (PA)
4401 PENN AVE, Pittsburgh, PA 15224
Open in Google Maps ↗

Other Identifiers 4

Other19074NV · License
OtherMD491350PA · License
Other4301502498MI · License
Medicaid1871956664NV

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. Josue Diaz-frias 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 ID2365789542
PECOS Enrollment IDI20251007003102
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.

Hospital Affiliations CMS Care Compare

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

Upmc Children's Hospital Of Pittsburgh

Childrens · Pittsburgh, PA
OwnershipVoluntary non-profit - Other
CMS Certification Number393302
LocationOne Children's Hospital DrivePittsburgh, PA 15224 · Allegheny County
Emergency services

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.

MS. RHONA BETH I GALERA MS
Speech-Language Pathologist
4401 PENN AVE, THIRD FLOOR - ALLIGATOR
PITTSBURGH, PA 15224
Allegheny County (412) 692-8762
DR. STEPHANIE B. DEWAR MD
Pediatrics
4401 PENN AVE, DIAGNOSTIC REFERRAL GROUP
PITTSBURGH, PA 15224
Allegheny County (412) 692-5135
DR. SRIYA WC GUNAWARDENA
Pediatrics (Pediatric Hematology-Oncology)
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-5055
DR. VERED D LEWY-WEISS M.D.
Pediatrics (Pediatric Endocrinology)
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-5170
GAURAV ARORA MD
Pediatrics (Pediatric Cardiology)
4401 PENN AVE
PITTSBURGH, PA 15224
Allegheny County (412) 692-6054
DR. SCOTT HENRY MAURER MD
Pediatrics (Pediatric Hematology-Oncology)
4401 PENN AVE, 8TH FLOOR, FP
PITTSBURGH, PA 15224
Allegheny County (412) 692-5898
AIMEE GRACE COSTELLO RN, MSN, CPNP
Nurse Practitioner (Pediatrics)
4401 PENN AVE, HEM/ONC 8TH FLOOR FP
PITTSBURGH, PA 15224
Allegheny County (412) 692-6506
SHERYL ROSEN SLP
Speech-Language Pathologist
4401 PENN AVE, 3RD FLOOR ALLIGATOR POD
PITTSBURGH, PA 15224
Allegheny County (412) 692-7310

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 Josue Diaz-frias's NPI number?

The NPI number for Josue Diaz-frias is 1871956664. It was assigned to this individual provider in the NPPES registry on March 30, 2016.

Where is Josue Diaz-frias located?

Josue Diaz-frias practices at 4401 Penn Ave, Pittsburgh, PA 15224. The listed phone number is (412) 692-5841.

What is Josue Diaz-frias's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Adult Congenital Heart Disease, with taxonomy code 207RA0002X.

Is Josue Diaz-frias enrolled in Medicare?

Yes. Josue Diaz-frias 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.

Is Josue Diaz-frias affiliated with any hospitals?

According to CMS data, Josue Diaz-frias is affiliated with Upmc Children's Hospital Of Pittsburgh.

When was this NPI record last updated?

The NPPES record for Josue Diaz-frias was last updated on October 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.