Dr. Joshua Aaron Regal, MD, PhD
- Medicare services, 2024
- 1,054
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 197
- Hospital affiliations
- 3
- Medical groups
- 2
- Practice address
- 344 S Hauser Blvd, Los Angeles, CA 90036
- Practice phone
- Call (716) 845-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Roswell Park Cancer Institute
Los Angeles, California
Find Dr. Regal'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.
Dr. Joshua Aaron Regal is a radiation oncologist in Los Angeles, California
Dr. Regal practices at Roswell Park Cancer Institute in Los Angeles, California.
Dr. Regal's NPI, 1184155814, was assigned on March 24, 2017. Dr. Regal graduated from University of Michigan Medical School in 2015. Dr. Regal holds New York license 320186.
- NPI
- 1184155814NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688047202
- NPI enumeration date
- March 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (716) 845-2300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joshua Aaron Regal practices at Roswell Park Cancer Institute in Los Angeles, California
Dr. Regal's primary practice is Roswell Park Cancer Institute, at 344 S Hauser Blvd, Los Angeles, CA 90036 in Los Angeles County. The practice phone is (716) 845-2300.
- Roswell Park Cancer Institute344 S Hauser Blvd, Los Angeles, CA 90036 · Los Angeles CountyPhone(716) 845-2300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Joshua Aaron Regal is affiliated with 4 sites of care and 2 medical groups
Dr. Regal's primary practice is Roswell Park Cancer Institute in Los Angeles, California. Dr. Regal is also affiliated with Roswell Park Comprehensive Cancer Center. The medical group on file is Roswell Park Comprehensive Cancer Center. Dmand AI also links Dr. Regal to 2 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joshua Aaron Regal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Regal practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Roswell Park Cancer Institute | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joshua Aaron Regal is one of 685 radiation oncologists in California
Radiation oncology is Dr. Regal's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Regal's licenses on file in 3 states: New York, California and Washington.
Specialties and state licenses
- Radiation oncology, New YorkPrimary
- California license
- Washington license
Radiation oncologists near Dr. Regal
Counts of radiation oncologists 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. Joshua Aaron Regal billed Medicare for 1,054 services in 2024
CMS data shows 1,054 Medicare services from Dr. Regal across 17 procedure codes in 2024, for 123 Medicare patients. Medicare paid $82,476 for them.
Dr. Regal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1712024: 804370%
- Other services
- 2023: 702024: 191173%
- Office and hospital visits
- 2023: 362024: 5964%
Where Dr. Regal's Medicare services took place, 2024
- In an office17216%
- In a facility88284%
Dr. Regal compared with the California median for radiation oncologists, 2024
- Dr. Regal
- California median
- Medicare services
- 1,054vs 1,44427% below
- Medicare patients
- 123vs 16425% below
- Part D claims
- 143vs 324.5 times
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Regal'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 Dr. Regal and other radiation oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joshua Aaron Regal treated 123 Medicare patients in 2024, average age 72
CMS counts 123 Medicare patients who saw Dr. Regal in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have cancer, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.88, 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. Regal's median patient age at 73, with 36% women.
Dr. Regal's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Regal's Medicare patients by sex, 2024
- Women4839%
- Men7561%
Chronic conditions among Dr. Regal's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis34%
- Chronic kidney disease27%
- Ischemic heart disease26%
- Diabetes25%
- COPD23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Regal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women36%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joshua Aaron Regal wrote 197 Medicare Part D claims in 2024
In 2024, Dr. Regal wrote 197 Medicare Part D claims for 93 patients. 95% of them were for generic drugs. CMS names the drug for 143 of them, across 5 drugs with 11 or more claims each, at $5,200 in total drug cost. In 2019, CMS named 18 claims across 1 drug.
Dr. Regal's Part D claims by kind of drug, 2024
- Generic187 claims95%
- Brand-name and other10 claims5%
Dr. Regal'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.
Part D claims for drugs CMS names, 2019 to 2024
- 2019
- 2024
- Claims for drugs CMS names
- 2019: 182024: 143694%
Drugs named by CMS: 5 in 2024, 1 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
Dr. Joshua Aaron Regal offers telehealth to Medicare patients
Dr. Regal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Regal as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joshua Aaron Regal graduated from University of Michigan Medical School
Dr. Regal graduated from University of Michigan Medical School in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joshua Aaron Regal'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Joshua Aaron Regal
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. Joshua Aaron Regal's NPI number?
Dr. Joshua Aaron Regal's NPI number is 1184155814. It was assigned on March 24, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Joshua Aaron Regal?
Dr. Joshua Aaron Regal is a radiation oncologist in Los Angeles, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Joshua Aaron Regal practice?
Dr. Regal practices at 344 S Hauser Blvd, Los Angeles, CA 90036. Dr. Regal's primary practice is Roswell Park Cancer Institute in Los Angeles, California. Dmand AI also links Dr. Regal to 2 hospitals and 1 medical group.
What is Dr. Joshua Aaron Regal's office phone number?
The practice phone on file for Dr. Regal is (716) 845-2300.
What is Dr. Joshua Aaron Regal's medical license number?
Dr. Regal holds New York license 320186, one of the licenses on file in 3 states.
Which states has Dr. Joshua Aaron Regal been licensed in?
Dmand AI has state licenses on file for Dr. Regal in New York, California and Washington.
Which hospitals is Dr. Joshua Aaron Regal affiliated with?
Dr. Regal is affiliated with Roswell Park Comprehensive Cancer Center. Dmand AI links Dr. Regal to 2 more hospitals.
What medical group is Dr. Joshua Aaron Regal part of?
Dr. Regal is linked to Roswell Park Comprehensive Cancer Center. Dmand AI links Dr. Regal to 1 more medical group.
Does Dr. Joshua Aaron Regal accept Medicare?
Yes. CMS data shows Dr. Regal billed Medicare for 1,054 services in 2024, and Dr. Regal accepts Medicare assignment.
Does Dr. Joshua Aaron Regal offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Regal as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Joshua Aaron Regal see?
CMS counts 123 Medicare patients who saw Dr. Regal in 2024, with an average age of 72.
What services does Dr. Joshua Aaron Regal bill to Medicare?
In 2024, Dr. Regal's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
Where did Dr. Joshua Aaron Regal go to medical school?
Dr. Regal graduated from University of Michigan Medical School in 2015.
What drugs does Dr. Joshua Aaron Regal prescribe most?
In 2024 Medicare Part D data, Dr. Regal's most prescribed drugs by claims were Mometasone Furoate, Oxybutynin Chloride ER and Tamsulosin HCl.
How long has Dr. Joshua Aaron Regal been practicing?
Dr. Regal graduated from medical school in 2015, 11 years ago.
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