1. Home
  2. Directory
  3. Rhode Island
  4. East Providence
  5. Radiology
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM W MAYO-SMITH MD
NPI 1851389720
Radiology - Diagnostic Radiology in East Providence, RI

Active since October 13, 2005PECOS Enrolled
20 CATAMORE BLVD, EAST PROVIDENCE, RI 02914(401) 432-2520(401) 432-2457 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William W Mayo-smith Md NPPES

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

WILLIAM W MAYO-SMITH MD (NPI 1851389720) is an individual diagnostic radiology provider in East Providence, Rhode Island, licensed in Rhode Island (08847) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Js Weill Medical College, Cornell University (1984).

NPPES Registry Identity

NPI1851389720
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM W MAYO-SMITHCredential: MD
Location Address20 CATAMORE BLVDEast Providence, RI 02914-1204
Mailing Address20 Catamore BlvdEast Providence, RI 02914-1204 · (401) 432-2520 · Fax (401) 432-2457
Phone(401) 432-2520
Fax(401) 432-2457
Sole ProprietorNo
Medical School CMSJs Weill Medical College, Cornell UniversityGraduated 1984
Enumeration DateOctober 13, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1851389720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in RI · 08847
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
20 CATAMORE BLVD, East Providence, RI 02914
Open in Google Maps ↗

Other Identifiers 9

Other005221Bluechip
Other008847Blueshield
Other3092879Healthystart
Other000000001988Nhpri
Other3092879Massmedicaid
Other725009Tufts
Other1600241Unitedhealthplans
Other240093Rihpilgrim
Other7004723Rimedicalassistance

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

William W Mayo-smith 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 ID3173707692
PECOS Enrollment IDI20141011000001
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 11

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.

X-ray of abdomen, 1 view 74018
An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.
60 services57 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
59 services58 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
44 services44 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
39 services38 patients
Mri scan of abdomen before and after contrast 74183
An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.
34 services34 patients
Review by radiologist of ct guidance for needle placement 77012
This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.
25 services25 patients

Hospital Affiliations CMS Care Compare 2

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

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02914 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
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
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.

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.

GREGORY IAFRATE MD
Radiology (Diagnostic Radiology)
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (401) 432-2520
MACKENZIE ENSLEY
Behavior Technician
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (617) 658-5611
DR. GARY R MARECEK MD
Radiology (Diagnostic Radiology)
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (401) 432-2500
ROBERT E LAMBIASE MD
Radiology (Diagnostic Radiology)
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (401) 432-2520
SANFORD L SCHATZ MD
Radiology (Diagnostic Radiology)
20 CATAMORE BLVD, RHODE ISLAND MEDICAL IMAGING
EAST PROVIDENCE, RI 02914
Providence County (401) 432-2520
LAUREN MICHELLE MUSSELMAN
Behavior Technician
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (617) 658-5607
PATRICIA JILLIAN PEREIRA
Behavior Analyst
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (617) 658-5611
ROBERT VILLANI MD
Radiology (Diagnostic Radiology)
20 CATAMORE BLVD
EAST PROVIDENCE, RI 02914
Providence County (401) 432-2520

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 William Mayo-smith's NPI number?

The NPI number for William Mayo-smith is 1851389720. It was assigned to this individual provider in the NPPES registry on October 13, 2005.

Where is William Mayo-smith located?

William Mayo-smith practices at 20 Catamore Blvd, East Providence, RI 02914. The listed phone number is (401) 432-2520.

What is William Mayo-smith's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is William Mayo-smith enrolled in Medicare?

Yes. William Mayo-smith 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 William Mayo-smith affiliated with any hospitals?

According to CMS data, William Mayo-smith is affiliated with Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for William Mayo-smith was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.