James Leon Winterton, DDS
- Part D claims, 2024
- 86
- Industry payments
- $336
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 400 Newport Center Dr, Newport Beach, CA 92660-7601
- Practice phone
- Call (949) 760-6022
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
James L Winterton
Dental practice · Newport Beach, California
Find James Winterton'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 Leon Winterton is a dentist in Huntington Beach, California
James Winterton practices at James L Winterton in Newport Beach, California.
James Winterton's NPI, 1386990471, was assigned on July 26, 2012. James Winterton holds California license 63531.
- NPI
- 1386990471NPI Registry (opens in a new tab)
- NPI enumeration date
- July 26, 2012
- NPI status
- Active
- Practice phone
- (949) 760-6022
- 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 Leon Winterton practices in Newport Beach and Huntington Beach
James Winterton's primary practice is James L Winterton, at 400 Newport Center Dr, Newport Beach, CA 92660-7601. The practice phone is (949) 760-6022. The NPI Registry lists James Winterton's practice address as 9131 Adams Ave, Huntington Beach, CA 92646.
- James L WintertonPrimary400 Newport Center Dr, Newport Beach, CA 92660-7601Phone(949) 760-6022
- NPI Registry address9131 Adams Ave, Huntington Beach, CA 92646 · Orange County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
James Leon Winterton is affiliated with 1 site of care and 1 medical group
James Winterton's primary practice is James L Winterton in Newport Beach, California. Dmand AI also links James Winterton 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 Leon Winterton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Winterton practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| James L Winterton | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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James Leon Winterton is one of 6,282 dentists in California
Dentist is James Winterton's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dmand AI has James Winterton's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Dentist, CaliforniaPrimary
- General practice dentistry, Texas
Dentists near James Winterton
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 Leon Winterton's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts James Winterton's median patient age at 74, with 60% women.
James Winterton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
James Leon Winterton wrote 86 Medicare Part D claims in 2024
In 2024, James Winterton wrote 86 Medicare Part D claims for 61 patients. 87% of them were for generic drugs.
James Winterton's Part D claims by kind of drug, 2024
- Generic75 claims87%
- Other11 claims13%
Drug classes CMS tracks in James Winterton's Part D claims, 2024
- Antibiotics81%70 of 86 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 Leon Winterton received $336 in industry payments in 2025
CMS Open Payments shows 2 general payments to James Winterton from 2 drug and device companies in 2025. Gifts make up the largest share, 93% of the total. Ultradent Products Inc paid the most, $314.
General payments to James Winterton by kind, 2025 to 2025
- Gifts$31493%
- Food and beverage$227%
Companies that paid James Winterton 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 Leon Winterton'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 Leon Winterton
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 Leon Winterton's NPI number?
James Leon Winterton's NPI number is 1386990471. It was assigned on July 26, 2012, and it is active in the NPI Registry.
What does James Leon Winterton specialize in?
James Leon Winterton is a dentist in Huntington Beach, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does James Leon Winterton practice?
James Winterton practices at 400 Newport Center Dr, Newport Beach, CA 92660-7601. James Winterton also practices at 9131 Adams Ave, Huntington Beach, CA 92646. James Winterton's primary practice is James L Winterton in Newport Beach, California. Dmand AI also links James Winterton to 1 medical group.
What is James Leon Winterton's office phone number?
The practice phone on file for James Winterton is (949) 760-6022.
What is James Leon Winterton's medical license number?
James Winterton holds California license 63531, one of the licenses on file in 2 states.
Which states has James Leon Winterton been licensed in?
Dmand AI has state licenses on file for James Winterton in California and Texas.
Has James Leon Winterton received payments from drug or device companies?
CMS Open Payments shows $336 in general payments to James Winterton from 2 companies from 2025 to 2025. The largest total came from Ultradent Products Inc.
How long has James Leon Winterton been practicing?
James Winterton's NPI was assigned in 2012.
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