John Robert Costello, D.M.D.
Dentist · Newport, RI
John Robert Costello, D.M.D. is a dentist with a practice address in Newport, Rhode Island, and NPI 1093969834, issued on Nov 6, 2008. Check the license (Rhode Island 1818, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Robert Costello
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 1818 RI
Self-reported in NPPES; status is on the state search - Practice location
- 400 Broadway, Newport, RI 02840
- Phone
- (401) 849-8433
- Enumerated
- Nov 6, 2008
- Record last updated
- Nov 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 257 in Rhode Island → Look up another NPI →
Verify John Robert Costello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
Search for license 1818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average dentist in 2024
32 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Robert Costello among 257 dentist records in Rhode Island
John Robert Costello, D.M.D. is one of 257 dentist records with a practice address in Rhode Island. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 dentist records list a practice address in Newport
They are 16 of the 542 NPPES records with a practice address in Newport, and 257 dentist records in Rhode Island.
All 257 in Rhode Island → Every provider in Newport → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Nicholas Catallozzi, D.D.S.Newport, RI 028401760795793
- Jeffrey Fischer, D.D.S., MSNewport, RI 028401669535191
- Donald Occaso, DMDNewport, RI 028401649488354
- Tom Pagonis, D.D.S., M.S.Newport, RI 028401114196896
- Dianne Pannes, DDSNewport, RI 028401336158153
- Jasma Patel, DMDNewport, RI 028401104279546
- Neil Rosenberg, DDSNewport, RI 028401912918780
- John Salomone, DDSNewport, RI 028401285760736
Common questions
What is John Robert Costello, D.M.D.'s NPI number?
John Robert Costello, D.M.D.'s National Provider Identifier (NPI) is 1093969834, issued on Nov 6, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Robert Costello, D.M.D. located?
The NPPES record lists a practice address at 400 Broadway, Newport, RI, 02840. Phone: (401) 849-8433. Providers update this record themselves, so call before visiting.
How can I verify John Robert Costello, D.M.D.'s license?
NPPES lists Rhode Island license number 1818, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does John Robert Costello, D.M.D. prescribe under Medicare Part D?
In 2024, John Robert Costello, D.M.D. had 32 Medicare Part D claims for 19 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.