Randall Roll

  • Corona, CA
  • Emergency medicine physician
NPI1376998849PAC ID1254629439
Medicare services, 2024
279
Medicare patients, 2024
240
Part D claims, 2024
132
MIPS score, 2024
96
Hospital affiliations
2
Practice address
800 South Main Street, Corona, CA 92882
Practice phone
Call (951) 736-6240
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Corona Regional Medical Center

Hospital · Corona, California

See all 5 affiliations

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Randall Roll is an emergency medicine physician in Corona, California

Randall Roll practices at Corona Regional Medical Center in Corona, California, part of Universal Health Services.

Randall Roll's NPI, 1376998849, was assigned on May 3, 2016. Randall Roll graduated from LECOM at Seton Hill - Greensburg in 2016. Randall Roll holds California license 20A17512.

NPI and contact details
Medicare PAC ID
1254629439
NPI enumeration date
May 3, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 736-6240
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Randall Roll practices at Corona Regional Medical Center in Corona, California

Randall Roll's primary practice is Corona Regional Medical Center, at 800 South Main Street, Corona, CA 92882 in Riverside County. The practice phone is (951) 736-6240.

Source: Dmand AI Affiliation Data

Randall Roll is affiliated with 3 sites of care and 2 medical groups

Randall Roll's primary practice is Corona Regional Medical Center in Corona, California, part of Universal Health Services. Randall Roll is also affiliated with Huntington Beach Hospital. The medical group on file is Corona Regional Medical Center. Dmand AI also links Randall Roll to 1 more breast imaging center and 1 medical group, each named with a free account.

See all 5 affiliations for Randall Roll

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Randall Roll's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Randall Roll practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corona Regional Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Randall Roll is one of 7,423 emergency medicine physicians in California

Emergency medicine is Randall Roll's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Randall Roll is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Randall Roll's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 20A17512 · 2019 to 2027 · taxonomy 207P00000X
  • Pennsylvania licenseLicense OT016941 · 2016 to 2026

Emergency medicine physicians near Randall Roll

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

Randall Roll billed Medicare for 279 services in 2024

CMS data shows 279 Medicare services from Randall Roll across 4 procedure codes in 2024, for 240 Medicare patients. Medicare paid $29,973 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024279
Medicare patients240
Paid by Medicare$29,973
Procedure codes4

Randall Roll's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2862024: 23418%
Tests and treatments
2023: 412024: 4510%
Imaging
2023: 122024: 0100%

Randall Roll compared with the California median for emergency medicine physicians, 2024

  • Randall Roll
  • California median
Medicare services
279vs 2655% above
Medicare patients
240vs 243Close to median
Part D claims
35vs 6244% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Randall Roll'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.

See all procedures by Randall Roll

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Randall Roll treated 240 Medicare patients in 2024, average age 74

CMS counts 240 Medicare patients who saw Randall Roll in 2024. The largest group is 65 to 74, with 86 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Randall Roll's median patient age at 51, with 57% women.

Medicare patients, 2024240
Average age74
Average risk score2.54
Also on Medicaid60%

Randall Roll's Medicare patients by age, 2024

Randall Roll's Medicare patients by sex, 2024

  • Women12653%
  • Men11448%

Chronic conditions among Randall Roll's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Diabetes51%
  5. Mood disorders42%
  6. Chronic kidney disease40%
  7. Heart failure40%
  8. Anxiety39%

Share of Medicare patients with each condition. A patient can have several.

Randall Roll's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Randall Roll wrote 132 Medicare Part D claims in 2024

In 2024, Randall Roll wrote 132 Medicare Part D claims for 95 patients. 95% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $142 in total drug cost. In 2023, CMS named 111 claims across 5 drugs.

Part D claims, 2024132
Drugs named by CMS2
Total drug cost$142
Part D patients95

Randall Roll's Part D claims by kind of drug, 2024

  • Generic125 claims95%
  • Brand-name and other7 claims5%

Randall Roll'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 Randall Roll's Part D claims, 2024

  • Opioids11%15 of 132 claims
  • Antibiotics47%62 of 132 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: 1112024: 3568%

Drugs named by CMS: 2 in 2024, 5 in 2023.

See all prescribing by Randall Roll

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

Randall Roll scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Randall Roll for performance year 2024, reported as part of a group. Randall Roll accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Randall Roll's MIPS scores, performance year 2024

  • 96of 100Final score
  • 83.3of 100Quality
  • 40of 100Improvement Activities

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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Randall Roll graduated from LECOM at Seton Hill - Greensburg

Randall Roll graduated from LECOM at Seton Hill - Greensburg in 2016.

  1. Medical schoolLECOM at Seton Hill - Greensburg
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Randall Roll accepts plans from 1 insurance carrier

Randall Roll is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • CMS Medicare

Source: Dmand AI Insurance Network Data

Sources for Randall Roll's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Randall Roll

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Randall Roll's NPI number?

Randall Roll's NPI number is 1376998849. It was assigned on May 3, 2016, and it is active in the NPI Registry.

What does Randall Roll specialize in?

Randall Roll is an emergency medicine physician in Corona, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Randall Roll practice?

Randall Roll practices at 800 South Main Street, Corona, CA 92882. Randall Roll's primary practice is Corona Regional Medical Center in Corona, California, part of Universal Health Services. Dmand AI also links Randall Roll to 1 breast imaging center and 1 medical group.

What is Randall Roll's office phone number?

The practice phone on file for Randall Roll is (951) 736-6240.

What is Randall Roll's medical license number?

Randall Roll holds California license 20A17512, one of the licenses on file in 2 states.

Which states has Randall Roll been licensed in?

Dmand AI has state licenses on file for Randall Roll in California (2019 to 2027) and Pennsylvania (2016 to 2026).

Which hospitals is Randall Roll affiliated with?

Randall Roll practices at Corona Regional Medical Center in Corona, California. Randall Roll is also affiliated with Huntington Beach Hospital.

What medical group is Randall Roll part of?

Randall Roll is linked to Corona Regional Medical Center. Dmand AI links Randall Roll to 1 more medical group.

Does Randall Roll accept Medicare?

Yes. CMS data shows Randall Roll billed Medicare for 279 services in 2024, and Randall Roll accepts Medicare assignment.

What is Randall Roll's MIPS score?

Randall Roll's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Randall Roll see?

CMS counts 240 Medicare patients who saw Randall Roll in 2024, with an average age of 74.

Is Randall Roll board certified?

Yes. Randall Roll is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Randall Roll bill to Medicare?

In 2024, Randall Roll's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Where did Randall Roll go to medical school?

Randall Roll graduated from LECOM at Seton Hill - Greensburg in 2016.

What drugs does Randall Roll prescribe most?

In 2024 Medicare Part D data, Randall Roll's most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.

How long has Randall Roll been practicing?

Randall Roll graduated from medical school in 2016, 10 years ago.

What insurance does Randall Roll accept?

Randall Roll is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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