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DR. JOSEPH A. DIAZ MD
NPI 1356324248
Internal Medicine in Pawtucket, RI

Active since November 23, 2005PECOS EnrolledAccepts Medicare Assignment
111 BREWSTER ST, DEPARTMENT OF INTERNAL MEDICINE, PAWTUCKET, RI 02860(401) 729-3100(401) 729-2054 Get Directions Write a Review

NPPES record last updated: April 9, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Joseph A. Diaz Md NPPES

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

DR. JOSEPH A. DIAZ MD (NPI 1356324248) is an individual internal medicine provider in Pawtucket, Rhode Island, licensed in Rhode Island (MD10665) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Kent County Memorial Hospital, and is a graduate of Warren Alpert Medical School Of Brown University (1996).

NPPES Registry Identity

NPI1356324248
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOSEPH A. DIAZCredential: MD
Location Address111 BREWSTER ST, DEPARTMENT OF INTERNAL MEDICINEPawtucket, RI 02860-4400
Mailing Address111 Brewster St, Department Of Internal MedicinePawtucket, RI 02860-4400 · (401) 729-3100 · Fax (401) 729-2054
Phone(401) 729-3100
Fax(401) 729-2054
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1996
Enumeration DateNovember 23, 2005
Last NPPES UpdateApril 9, 2021
NPPES CertifiedApril 9, 2021
✔ NPI 1356324248 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · MD10665
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.
111 BREWSTER ST, Pawtucket, RI 02860
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Other Identifiers 2

Medicaid9023606RI
Other007060965RI · Medicare Ptan

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. Joseph A. 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 ID3072576479
PECOS Enrollment IDI20041108000005
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

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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services12 patients

Hospital Affiliations CMS Care Compare

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

Kent County Memorial Hospital

Acute Care Hospitals · Warwick, RI
3/5 CMS rating
OwnershipProprietary
CMS Certification Number410009
Location455 Toll Gate RdWarwick, RI 02886 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02860 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
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.

MAHMOUD MOWAFY M.D.
Internal Medicine
111 BREWSTER ST
PAWTUCKET, RI 02860
Providence County (401) 729-2258
ASHLEY NANCY MASTRANGELO DPM
Podiatrist (Foot & Ankle Surgery)
111 BREWSTER ST
PAWTUCKET, RI 02860
Providence County (401) 729-2977
JOHN RIEDEL MD
Emergency Medicine
111 BREWSTER ST, DEPARTMENT OF EMERGENCY MEDICINE
PAWTUCKET, RI 02860
Providence County (401) 729-2191
MEMORIAL HOSPITAL
General Acute Care Hospital
111 BREWSTER ST
PAWTUCKET, RI 02860
Providence County (401) 729-2836
JALEH FALLAH MD
Internal Medicine (Hematology & Oncology)
111 BREWSTER ST
PAWTUCKET, RI 02860
Providence County (401) 729-2258
MS. COLLEEN FOLEY-LUNT
Speech-Language Pathologist
111 BREWSTER ST, SPEECH LANGUAGE PATHOLOGY
PAWTUCKET, RI 02860
Providence County (508) 729-2316
MAXWELL VAN HOVEN MD
Family Medicine
111 BREWSTER ST
PAWTUCKET, RI 02860
Providence County (401) 737-7000
SCOTT MICHAEL CAMPBELL
Physical Therapist
111 BREWSTER ST, ND PHYSICAL THERAPY
PAWTUCKET, RI 02860
Providence County (401) 729-3481

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 Joseph Diaz's NPI number?

The NPI number for Joseph Diaz is 1356324248. It was assigned to this individual provider in the NPPES registry on November 23, 2005.

Where is Joseph Diaz located?

Joseph Diaz practices at 111 Brewster St Department Of Internal Medicine, Pawtucket, RI 02860. The listed phone number is (401) 729-3100.

What is Joseph Diaz's specialty?

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

Is Joseph Diaz enrolled in Medicare?

Yes. Joseph 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.

Is Joseph Diaz affiliated with any hospitals?

According to CMS data, Joseph Diaz is affiliated with Kent County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Joseph Diaz was last updated on April 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.