Dr. Ariel Leroy, MD
- Medicare services, 2024
- 1,211
- Medicare patients, 2024
- 908
- Part D claims, 2024
- 138
- MIPS score, 2024
- 98
- Hospital affiliations
- 1
- Practice address
- 585 Lebanon Street, Melrose, MA 02176
- Practice phone
- Call (781) 979-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leroy'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. Ariel Leroy is an emergency medicine physician in Melrose, Massachusetts
Dr. Leroy practices at MelroseWakefield Hospital in Melrose, Massachusetts, part of Tufts Medicine.
Dr. Leroy's NPI, 1295154920, was assigned on April 9, 2014. Dr. Leroy holds Massachusetts license 269731.
- NPI
- 1295154920NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880972728
- NPI enumeration date
- April 9, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 979-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ariel Leroy practices at MelroseWakefield Hospital in Melrose, Massachusetts
Dr. Leroy's primary practice is MelroseWakefield Hospital, at 585 Lebanon Street, Melrose, MA 02176 in Middlesex County. The practice phone is (781) 979-3000.
- MelroseWakefield Hospital585 Lebanon Street, Melrose, MA 02176 · Middlesex CountyPhone(781) 979-3000
Source: Dmand AI Affiliation Data
Dr. Ariel Leroy is affiliated with 1 site of care and 4 medical groups
Dr. Leroy's primary practice is MelroseWakefield Hospital in Melrose, Massachusetts, part of Tufts Medicine. The medical group on file is ApolloMD. Dmand AI also links Dr. Leroy to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ariel Leroy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leroy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MelroseWakefield Hospital | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ariel Leroy is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Leroy's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Leroy's licenses on file in 2 states: Massachusetts and New York.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
- Student in an organized health care education/training program, New York
Emergency medicine physicians near Dr. Leroy
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. Ariel Leroy billed Medicare for 1,211 services in 2024
CMS data shows 1,211 Medicare services from Dr. Leroy across 5 procedure codes in 2024, for 908 Medicare patients. Medicare paid $133,934 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leroy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6602024: 93141%
- Tests and treatments
- 2023: 1482024: 28089%
Dr. Leroy compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Leroy
- Massachusetts median
- Medicare services
- 1,211vs 3413.6 times
- Medicare patients
- 908vs 3372.7 times
- Part D claims
- 41vs 3614% above
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Leroy'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. Ariel Leroy treated 908 Medicare patients in 2024, average age 77
CMS counts 908 Medicare patients who saw Dr. Leroy in 2024. The largest group is 75 to 84, with 307 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.92, 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. Leroy's median patient age at 49, with 57% women.
Dr. Leroy's Medicare patients by age, 2024
Dr. Leroy's Medicare patients by sex, 2024
- Women50355%
- Men40545%
Chronic conditions among Dr. Leroy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Anxiety48%
- Chronic kidney disease48%
- Mood disorders48%
- Ischemic heart disease47%
- Depression42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leroy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ariel Leroy wrote 138 Medicare Part D claims in 2024
In 2024, Dr. Leroy wrote 138 Medicare Part D claims for 103 patients. 93% of them were for generic drugs. CMS names the drug for 41 of them, across 3 drugs with 11 or more claims each, at $200 in total drug cost. In 2022, CMS named 56 claims across 4 drugs.
Dr. Leroy's Part D claims by kind of drug, 2024
- Generic129 claims93%
- Brand-name and other9 claims7%
Dr. Leroy'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. Leroy's Part D claims, 2024
- Opioids12%16 of 138 claims
- Antibiotics46%63 of 138 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 562024: 4127%
Drugs named by CMS: 3 in 2024, 4 in 2022.
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. Ariel Leroy scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Leroy for performance year 2024, reported individually. Dr. Leroy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Leroy's MIPS scores, performance year 2024
- 98of 100Final score
- 84.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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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Sources for Dr. Ariel Leroy'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Ariel Leroy
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. Ariel Leroy's NPI number?
Dr. Ariel Leroy's NPI number is 1295154920. It was assigned on April 9, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Ariel Leroy?
Dr. Ariel Leroy is an emergency medicine physician in Melrose, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ariel Leroy practice?
Dr. Leroy practices at 585 Lebanon Street, Melrose, MA 02176. Dr. Leroy's primary practice is MelroseWakefield Hospital in Melrose, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Leroy to 3 medical groups.
What is Dr. Ariel Leroy's office phone number?
The practice phone on file for Dr. Leroy is (781) 979-3000.
What is Dr. Ariel Leroy's medical license number?
Dr. Leroy holds Massachusetts license 269731, one of the licenses on file in 2 states.
Which states has Dr. Ariel Leroy been licensed in?
Dmand AI has state licenses on file for Dr. Leroy in Massachusetts and New York.
Which hospitals is Dr. Ariel Leroy affiliated with?
Dr. Leroy practices at MelroseWakefield Hospital in Melrose, Massachusetts.
What medical group is Dr. Ariel Leroy part of?
Dr. Leroy is linked to ApolloMD. Dmand AI links Dr. Leroy to 3 more medical groups.
Does Dr. Ariel Leroy accept Medicare?
Yes. CMS data shows Dr. Leroy billed Medicare for 1,211 services in 2024, and Dr. Leroy accepts Medicare assignment.
What is Dr. Ariel Leroy's MIPS score?
Dr. Leroy's MIPS final score for performance year 2024 is 98 out of 100, reported individually.
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How many Medicare patients does Dr. Ariel Leroy see?
CMS counts 908 Medicare patients who saw Dr. Leroy in 2024, with an average age of 77.
What services does Dr. Ariel Leroy bill to Medicare?
In 2024, Dr. Leroy's most billed Medicare services were emergency department visit (99285), heart test or procedure (93042) and critical care (99291).
What drugs does Dr. Ariel Leroy prescribe most?
In 2024 Medicare Part D data, Dr. Leroy's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Oxycodone HCl and Cephalexin.
How long has Dr. Ariel Leroy been practicing?
Dr. Leroy graduated from medical school in 2014, 12 years ago.
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