Dr. James F. Roy, MD
- Part D claims, 2024
- 22
- Industry payments
- $28
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 341 Magnolia Avenue Suite 207 Suite 207, Corona, CA 92879
- Practice phone
- Call (951) 734-9930
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Michael D Molinari MD Facg
Primary care practice · Corona, California
Find Dr. Roy's professional email, personal email and mobile number
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Dr. James F. Roy is an internist in Corona, California
Dr. Roy practices at Michael D Molinari MD Facg in Corona, California.
Dr. Roy's NPI, 1063511822, was assigned on September 21, 2006. Dr. Roy graduated from UC Irvine School of Medicine in 1976. Dr. Roy holds California license G35406.
- NPI
- 1063511822NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Practice phone
- (951) 734-9930
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James F. Roy practices at Michael D Molinari MD Facg in Corona, California
Dr. Roy's primary practice is Michael D Molinari MD Facg, at 341 Magnolia Avenue Suite 207 Suite 207, Corona, CA 92879. The practice phone is (951) 734-9930.
- Michael D Molinari MD Facg341 Magnolia Avenue Suite 207 Suite 207, Corona, CA 92879Phone(951) 734-9930
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James F. Roy is affiliated with 2 sites of care and 2 medical groups
Dr. Roy's primary practice is Michael D Molinari MD Facg in Corona, California. Dmand AI also links Dr. Roy to 2 medical groups and 1 group practice or clinic, each 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 Dr. James F. Roy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roy practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Michael D Molinari MD Facg | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James F. Roy is one of 16,751 internists in California
Internal medicine is Dr. Roy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Roy is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Roy is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Roy
Counts of internists 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
Dr. James F. Roy's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Roy's median patient age at 67, with 18% women.
Dr. Roy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women18%
- Men82%
Source: Dmand AI Patient Panel Data
Dr. James F. Roy wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Roy wrote 22 Medicare Part D claims. 91% of them were for generic drugs. They cover 2 drugs, with $619 in total drug cost. In 2019, CMS named 61 claims across 3 drugs.
Dr. Roy's Part D claims by kind of drug, 2024
- Generic20 claims91%
- Brand-name and other2 claims9%
Dr. Roy's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 612020: 2854%
Drugs named by CMS: 2 in 2020, 3 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. James F. Roy received $28 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Roy from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Axsome Therapeutics, Inc. paid the most, $28.
Companies that paid Dr. Roy the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James F. Roy graduated from UC Irvine School of Medicine
Dr. Roy graduated from UC Irvine School of Medicine in 1976.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. James F. Roy'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. James F. Roy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. James F. Roy's NPI number?
Dr. James F. Roy's NPI number is 1063511822. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James F. Roy?
Dr. James F. Roy is an internist in Corona, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James F. Roy practice?
Dr. Roy practices at 341 Magnolia Avenue Suite 207 Suite 207, Corona, CA 92879. Dr. Roy's primary practice is Michael D Molinari MD Facg in Corona, California. Dmand AI also links Dr. Roy to 2 medical groups and 1 group practice or clinic.
What is Dr. James F. Roy's office phone number?
The practice phone on file for Dr. Roy is (951) 734-9930.
What is Dr. James F. Roy's medical license number?
Dr. Roy holds California license G35406.
Is Dr. James F. Roy board certified?
Yes. Dr. Roy is board certified in gastroenterology by the American Board of Internal Medicine.
Where did Dr. James F. Roy go to medical school?
Dr. Roy graduated from UC Irvine School of Medicine in 1976.
What drugs does Dr. James F. Roy prescribe most?
In 2020 Medicare Part D data, Dr. Roy's most prescribed drugs by claims were Gavilyte-C and Pantoprazole Sodium.
Has Dr. James F. Roy received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Roy from 1 company from 2024 to 2024. The largest total came from Axsome Therapeutics, Inc.
How long has Dr. James F. Roy been practicing?
Dr. Roy graduated from medical school in 1976, 50 years ago.
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