James Patrick Underhill, DMD
- Part D claims, 2024
- 41
- Industry payments
- $180
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 310 Maple Ave, Barrington, RI 02806-3430
- Practice phone
- Call (401) 247-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Maple Avenue Family Dentistry
Dental practice · Barrington, Rhode Island
Find James Underhill's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
James Patrick Underhill is a dentist in Swansea, Massachusetts
James Underhill practices at Maple Avenue Family Dentistry in Barrington, Rhode Island.
James Underhill's NPI, 1366050734, was assigned on July 21, 2020. James Underhill holds Rhode Island license DEN03523.
- NPI
- 1366050734NPI Registry (opens in a new tab)
- NPI enumeration date
- July 21, 2020
- NPI status
- Active
- Practice phone
- (401) 247-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James Patrick Underhill practices in Barrington and Swansea
James Underhill's primary practice is Maple Avenue Family Dentistry, at 310 Maple Ave, Barrington, RI 02806-3430. The practice phone is (401) 247-2200. The NPI Registry lists James Underhill's practice address as 479 Swansea Mall Dr, Swansea, MA 02777.
- Maple Avenue Family DentistryPrimary310 Maple Ave, Barrington, RI 02806-3430Phone(401) 247-2200
- NPI Registry address479 Swansea Mall Dr, Swansea, MA 02777 · Bristol County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
James Patrick Underhill is affiliated with 1 site of care and 1 medical group
James Underhill's primary practice is Maple Avenue Family Dentistry in Barrington, Rhode Island. Dmand AI also links James Underhill to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at James Patrick Underhill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Underhill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Maple Avenue Family Dentistry | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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James Patrick Underhill is one of 1,210 dentists in Massachusetts
Dentist is James Underhill's primary specialty in the NPI Registry, under taxonomy code 122300000X. James Underhill is licensed in Rhode Island.
Specialties and state licenses
- Dentist, Rhode IslandPrimary
Dentists near James Underhill
Counts of dentists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
James Patrick Underhill's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts James Underhill's median patient age at 39, with 100% women.
James Underhill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
James Patrick Underhill wrote 41 Medicare Part D claims in 2024
In 2024, James Underhill wrote 41 Medicare Part D claims for 34 patients. 98% of them were for generic drugs.
James Underhill's Part D claims by kind of drug, 2024
- Generic40 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in James Underhill's Part D claims, 2024
- Antibiotics80%33 of 41 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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James Patrick Underhill received $180 in industry payments in 2025
CMS Open Payments shows 2 general payments to James Underhill from 1 drug or device company in 2025. Education make up the largest share, 70% of the total. Align Technology, Inc. paid the most, $180.
General payments to James Underhill by kind, 2025 to 2025
- Education$12570%
- Food and beverage$5530%
Companies that paid James Underhill the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for James Patrick Underhill's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about James Patrick Underhill
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James Patrick Underhill's NPI number?
James Patrick Underhill's NPI number is 1366050734. It was assigned on July 21, 2020, and it is active in the NPI Registry.
What does James Patrick Underhill specialize in?
James Patrick Underhill is a dentist in Swansea, Massachusetts. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does James Patrick Underhill practice?
James Underhill practices at 310 Maple Ave, Barrington, RI 02806-3430. James Underhill also practices at 479 Swansea Mall Dr, Swansea, MA 02777. James Underhill's primary practice is Maple Avenue Family Dentistry in Barrington, Rhode Island. Dmand AI also links James Underhill to 1 medical group.
What is James Patrick Underhill's office phone number?
The practice phone on file for James Underhill is (401) 247-2200.
What is James Patrick Underhill's medical license number?
James Underhill holds Rhode Island license DEN03523.
Has James Patrick Underhill received payments from drug or device companies?
CMS Open Payments shows $180 in general payments to James Underhill from 1 company from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has James Patrick Underhill been practicing?
James Underhill's NPI was assigned in 2020.
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