James Patrick Underhill, DMD
Dentist · Barrington, RI
James Patrick Underhill, DMD is a dentist with a practice address in Barrington, Rhode Island, and NPI 1366050734, issued on Jul 21, 2020. Check the license (Rhode Island DEN03523, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Patrick Underhill
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN03523 RI
Self-reported in NPPES; status is on the state search - Practice location
- 310 Maple Ave Ste 107, Barrington, RI 02806
- Phone
- (401) 247-2200
- Enumerated
- Jul 21, 2020
- Record last updated
- Jan 5, 2023
- Entity
- Type 1 · individual
8 nearest dentist records → All 257 in Rhode Island → Look up another NPI →
Also registered at 310 Maple Ave Ste 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kaitlin DickersonStudent in an Organized Health Care Education/Training Program1619771748
Verify James Patrick Underhill 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 DEN03523Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average dentist in 2024
41 Medicare Part D claims for 34 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin26 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.
Industry payments in 2024: $194.26
7 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James Patrick Underhill among 257 dentist records in Rhode Island
James Patrick Underhill, DMD 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 2020, is newer than 74% of them.
- NPI issued2020 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2023 · 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).
5 dentist records list a practice address in Barrington
They are 5 of the 244 NPPES records with a practice address in Barrington, and 257 dentist records in Rhode Island.
All 257 in Rhode Island → Every provider in Barrington → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Matthew Asaro, DMDBarrington, RI 028061124158589
- Andrea Barone, DDSBarrington, RI 028061336204650
- Lisa Daft, DMDBarrington, RI 028061003971326
- James Goff, DMDBarrington, RI 028061457497794
- Michael Allen, DMDBristol, RI 028091558555961
- Paul Kotuby, D.M.D.Bristol, RI 028091336478882
- Nicolette Angioli, DMDCharlestown, RI 028131376103754
- Marie Benoit, D.M.D.Charlestown, RI 028131699747022
Common questions
What is James Patrick Underhill, DMD's NPI number?
James Patrick Underhill, DMD's National Provider Identifier (NPI) is 1366050734, issued on Jul 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is James Patrick Underhill, DMD located?
The NPPES record lists a practice address at 310 Maple Ave Ste 107, Barrington, RI, 02806. Phone: (401) 247-2200. Providers update this record themselves, so call before visiting.
How can I verify James Patrick Underhill, DMD's license?
NPPES lists Rhode Island license number DEN03523, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does James Patrick Underhill, DMD prescribe under Medicare Part D?
In 2024, James Patrick Underhill, DMD had 41 Medicare Part D claims for 34 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.