Dr. John Henry Leech , DMD
Dentist - General Practice β’ North Providence, RI
1545 Smith St
North Providence, RI 029112943
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
1545 Smith St
North Providence, RI 029112943
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 1 additional practice-address record in Providence, RI. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Dentist - General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2022
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Compared with the same specialty in North Providence and Rhode Island
10 active clinicians are listed under Dentist - General Practice with a practice address in North Providence, RI (362 in Rhode Island).
Addresses are self-reported to NPPES and may be out of date.
Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2022-08-09NUCC Taxonomy Code: 1223G0001X
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Secondary Practice Locations
1 Randall Sq Ste 305
Providence, RI 029042774
Phone: 4105215528
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPI status registered as active in NPPES database
Registered at 1545 SMITH ST, NORTH PROVIDENCE, RI 029112943 (Tel: 4013531550)
Registered at 47 BUSH ST, DARTMOUTH, MA 027483116 (Tel: 6109375419)
Additional practice office at 1 Randall Sq Ste 305, Providence, RI 029042774
Recorded as JOHN HENRY LEECH, DMD
Dentist (license number reported to NPPES: RI DEN03619)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Dentist - General Practices in North Providence
- Courtney Silva
- Dr. Peter Macgillivray, DDS
- Dr. Frank D'amato, DMD
- Dr. John Manousos, DMD
- Dr. Taraneh Tabatabaie, DMD
Mailing Address
47 Bush St
Dartmouth, MA 027483116
Phone: 6109375419