Dr. Robert Patton Royer, MD
- Medicare services, 2024
- 719
- Medicare patients, 2024
- 475
- Part D claims, 2024
- 332
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- One Medical Plaza, Roseville, CA 95661
- Practice phone
- Call (916) 781-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Royer's professional email, personal email and mobile number
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Dr. Robert Patton Royer is an emergency medicine physician in Roseville, California
Dr. Royer practices at Sutter Roseville Medical Center in Roseville, California, part of Sutter Health.
Dr. Royer's NPI, 1326060880, was assigned on July 24, 2006. Dr. Royer graduated from UC Irvine School of Medicine in 1985. Dr. Royer holds California license G58656.
- NPI
- 1326060880NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284712050
- NPI enumeration date
- July 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 781-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Patton Royer practices at 2 locations in Roseville, California
Dr. Royer's primary practice is Sutter Roseville Medical Center, at One Medical Plaza, Roseville, CA 95661 in Placer County. The practice phone is (916) 781-1000. Dr. Royer also practices at Sutter Roseville Medical Center, 1 Medical Plz, Roseville, CA 95661.
- Sutter Roseville Medical CenterPrimaryOne Medical Plaza, Roseville, CA 95661 · Placer CountyPhone(916) 781-1000
- Sutter Roseville Medical Center1 Medical Plz, Roseville, CA 95661 · Placer CountyPhone(800) 353-3369
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert Patton Royer is affiliated with 1 site of care and 1 medical group
Dr. Royer's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health. The medical group on file is Vituity.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Patton Royer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Royer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sutter Roseville Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Patton Royer is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Royer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Royer is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Royer is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Royer
Counts of emergency medicine physicians 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. Robert Patton Royer billed Medicare for 719 services in 2024
CMS data shows 719 Medicare services from Dr. Royer across 4 procedure codes in 2024, for 475 Medicare patients. Medicare paid $70,409 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Royer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5842024: 49116%
- Tests and treatments
- 2023: 2302024: 2281%
Dr. Royer compared with the California median for emergency medicine physicians, 2024
- Dr. Royer
- California median
- Medicare services
- 719vs 2652.7 times
- Medicare patients
- 475vs 24395% above
- Part D claims
- 83vs 6234% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Royer'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Patton Royer treated 475 Medicare patients in 2024, average age 76
CMS counts 475 Medicare patients who saw Dr. Royer in 2024. The largest group is 75 to 84, with 185 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.81, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Royer's median patient age at 42, with 54% women.
Dr. Royer's Medicare patients by age, 2024
Dr. Royer's Medicare patients by sex, 2024
- Women29963%
- Men17637%
Chronic conditions among Dr. Royer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Chronic kidney disease40%
- Mood disorders40%
- Ischemic heart disease39%
- Anxiety36%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Royer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Patton Royer wrote 332 Medicare Part D claims in 2024
In 2024, Dr. Royer wrote 332 Medicare Part D claims for 179 patients. 90% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $430 in total drug cost. In 2023, CMS named 118 claims across 7 drugs.
Dr. Royer's Part D claims by kind of drug, 2024
- Generic298 claims90%
- Brand-name and other34 claims10%
Dr. Royer'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 Dr. Royer's Part D claims, 2024
- Opioids13%44 of 332 claims
- Antibiotics16%54 of 332 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1182024: 8330%
Drugs named by CMS: 4 in 2024, 7 in 2023.
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
Dr. Robert Patton Royer scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Royer for performance year 2024, reported as part of a group. Dr. Royer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Royer's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Robert Patton Royer received $191 in industry payments from 2016 to 2023
CMS Open Payments shows 13 general payments to Dr. Royer from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $65.
General payments to Dr. Royer by program year, 2016 to 2023
Companies that paid Dr. Royer the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Patton Royer graduated from UC Irvine School of Medicine
Dr. Royer graduated from UC Irvine School of Medicine in 1985.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Robert Patton Royer accepts plans from 1 insurance carrier
Dr. Royer is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
Plan types Dr. Royer accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert Patton Royer'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 DataDmand AI Practice 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Robert Patton Royer
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. Robert Patton Royer's NPI number?
Dr. Robert Patton Royer's NPI number is 1326060880. It was assigned on July 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Patton Royer?
Dr. Robert Patton Royer is an emergency medicine physician in Roseville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert Patton Royer practice?
Dr. Royer practices at One Medical Plaza, Roseville, CA 95661. Dr. Royer also practices at 1 Medical Plz, Roseville, CA 95661. Dr. Royer's primary practice is Sutter Roseville Medical Center in Roseville, California, part of Sutter Health.
What is Dr. Robert Patton Royer's office phone number?
The practice phone on file for Dr. Royer is (916) 781-1000.
What is Dr. Robert Patton Royer's medical license number?
Dr. Royer holds California license G58656.
Which hospitals is Dr. Robert Patton Royer affiliated with?
Dr. Royer practices at Sutter Roseville Medical Center in Roseville, California.
What medical group is Dr. Robert Patton Royer part of?
Dr. Royer is linked to Vituity.
Does Dr. Robert Patton Royer accept Medicare?
Yes. CMS data shows Dr. Royer billed Medicare for 719 services in 2024, and Dr. Royer accepts Medicare assignment.
What is Dr. Robert Patton Royer's MIPS score?
Dr. Royer's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Robert Patton Royer see?
CMS counts 475 Medicare patients who saw Dr. Royer in 2024, with an average age of 76.
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Is Dr. Robert Patton Royer board certified?
Yes. Dr. Royer is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Robert Patton Royer bill to Medicare?
In 2024, Dr. Royer's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and critical care (99291).
Where did Dr. Robert Patton Royer go to medical school?
Dr. Royer graduated from UC Irvine School of Medicine in 1985.
What drugs does Dr. Robert Patton Royer prescribe most?
In 2024 Medicare Part D data, Dr. Royer's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Dexamethasone and Lactulose.
Has Dr. Robert Patton Royer received payments from drug or device companies?
CMS Open Payments shows $191 in general payments to Dr. Royer from 5 companies from 2016 to 2023. The largest total came from Allergan Inc.
How long has Dr. Robert Patton Royer been practicing?
Dr. Royer graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Robert Patton Royer accept?
Dr. Royer is in network with 1 carrier, including Excellus BlueCross BlueShield. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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