Michael E. Roy, PA
- Medicare services, 2024
- 39
- Medicare patients, 2026
- 20
- Part D claims, 2026
- 122
- Hospital affiliations
- 1
- Industry payments
- $34
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Michael E. Roy is a physician assistant in Fontana, California
Michael Roy practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Michael Roy's NPI, 1598881740, was assigned on March 21, 2007. Michael Roy holds California license PA13915.
- NPI
- 1598881740NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345290516
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael E. Roy practices at Fontana Medical Center in Fontana, California
Michael Roy's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Michael E. Roy is affiliated with 1 site of care and 1 medical group
Michael Roy's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael E. Roy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Roy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael E. Roy is one of 11,482 physician assistants in California
Physician assistant is Michael Roy's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Roy is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Michael Roy is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Michael Roy
Counts of physician assistants 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
Michael E. Roy billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Michael Roy across 1 procedure code in 2024, for 20 Medicare patients. Medicare paid $2,082 for them. Every service was in a facility, such as a hospital, rather than an office.
Michael Roy compared with the California median for physician assistants, 2024
- Michael Roy
- California median
- Medicare services
- 39vs 20481% below
- Medicare patients
- 20vs 10581% below
- Part D claims
- 60vs 24375% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Michael Roy's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Michael Roy and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Michael E. Roy treated 20 Medicare patients in 2026, average age 67
CMS counts 20 Medicare patients who saw Michael Roy in 2026. 55% of them have high cholesterol. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Roy's median patient age at 48, with 57% women.
Chronic conditions among Michael Roy's Medicare patients, 2026
- High cholesterol55%
Share of Medicare patients with each condition. A patient can have several.
Michael 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 48
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Michael E. Roy wrote 122 Medicare Part D claims in 2026
In 2026, Michael Roy wrote 122 Medicare Part D claims for 71 patients. 85% of them were for generic drugs. CMS names the drug for 60 of them, across 2 drugs with 11 or more claims each, at $2,241 in total drug cost.
Michael Roy's Part D claims by kind of drug, 2026
- Generic104 claims85%
- Brand-name18 claims15%
Michael Roy's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Michael Roy's Part D claims, 2026
- Opioids47%57 of 122 claims
- Antibiotics13%16 of 122 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
How Michael E. Roy takes part in Medicare
Michael Roy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Michael E. Roy received $34 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Michael Roy from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $17.
General payments to Michael Roy by program year, 2024 to 2025
Companies that paid Michael Roy the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael E. Roy is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Michael E. 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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Michael E. 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 Michael E. Roy's NPI number?
Michael E. Roy's NPI number is 1598881740. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What does Michael E. Roy specialize in?
Michael E. Roy is a physician assistant in Fontana, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael E. Roy practice?
Michael Roy practices at 9961 Sierra Ave, Fontana, CA 92335. Michael Roy's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Michael E. Roy's office phone number?
The practice phone on file for Michael Roy is (909) 427-5000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Michael E. Roy's email address?
Dmand AI checks professional and personal email addresses for Michael Roy through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Michael E. Roy's medical license number?
Michael Roy holds California license PA13915.
Which hospitals is Michael E. Roy affiliated with?
Michael Roy practices at Fontana Medical Center in Fontana, California.
What medical group is Michael E. Roy part of?
Michael Roy is linked to Southern California Permanente Medical Group.
Who does Michael E. Roy practice with?
Dmand AI links 17,030 HCPs to Michael Roy's primary medical group, 710 of them physician assistants. A free account lists them, with verified contacts.
Does Michael E. Roy accept Medicare?
Yes. CMS data shows Michael Roy billed Medicare for 39 services in 2024, and Michael Roy accepts Medicare assignment.
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How many Medicare patients does Michael E. Roy see?
CMS counts 20 Medicare patients who saw Michael Roy in 2026, with an average age of 67.
Is Michael E. Roy board certified?
Yes. Michael Roy is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Michael E. Roy bill to Medicare?
In 2024, Michael Roy's most billed Medicare services were hospital inpatient care (99232).
What drugs does Michael E. Roy prescribe most?
In 2024 Medicare Part D data, Michael Roy's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Enoxaparin Sodium.
Has Michael E. Roy received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Michael Roy from 2 companies from 2024 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Michael E. Roy been practicing?
Michael Roy graduated from medical school in 1996, 30 years ago.
What EHR does Michael E. Roy's practice use?
Dmand AI tracks the EHR system at Fontana Medical Center. The vendor and product are available with a free Dmand AI account.
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