Dr. John Maurice Leahy, MD
- Medicare services, 2024
- 1,624
- Medicare patients, 2024
- 841
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Industry payments
- $620
- Practice address
- 2000 Hospital Dr, Mount Pleasant, SC 29464
- Practice phone
- Call (843) 881-0100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
East Cooper Medical Center
Mount Pleasant, South Carolina
Find Dr. Leahy'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. John Maurice Leahy is a diagnostic radiologist in Mount Pleasant, South Carolina
Dr. Leahy practices at East Cooper Medical Center in Mount Pleasant, South Carolina.
Dr. Leahy's NPI, 1750498200, was assigned on August 23, 2006. Dr. Leahy holds South Carolina license 89412.
- NPI
- 1750498200NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931201696
- NPI enumeration date
- August 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 881-0100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Maurice Leahy practices at East Cooper Medical Center in Mount Pleasant, South Carolina
Dr. Leahy's primary practice is East Cooper Medical Center, at 2000 Hospital Dr, Mount Pleasant, SC 29464 in Charleston County. The practice phone is (843) 881-0100.
- East Cooper Medical Center2000 Hospital Dr, Mount Pleasant, SC 29464 · Charleston CountyPhone(843) 881-0100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Maurice Leahy is affiliated with 4 sites of care and 4 medical groups
Dr. Leahy's primary practice is East Cooper Medical Center in Mount Pleasant, South Carolina. Dr. Leahy is also affiliated with Novant Health East Cooper Medical Center. The medical group on file is Novant Health East Cooper Medical Center. Dmand AI also links Dr. Leahy to 2 more hospitals and 3 medical groups, 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. John Maurice Leahy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leahy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Cooper Medical Center | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Maurice Leahy is one of 421 diagnostic radiologists in South Carolina
Diagnostic radiology is Dr. Leahy's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Leahy's licenses on file in 4 states: South Carolina, North Carolina, Virginia and Wisconsin.
Specialties and state licenses
- Diagnostic radiology, South CarolinaPrimary
- North Carolina license
- Virginia license
- Wisconsin license
Diagnostic radiologists near Dr. Leahy
Counts of diagnostic radiologists 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. John Maurice Leahy billed Medicare for 1,624 services in 2024
CMS data shows 1,624 Medicare services from Dr. Leahy across 8 procedure codes in 2024, for 841 Medicare patients. Medicare paid $43,653 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leahy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,6372024: 1,6241%
- Other services
- 2023: 312024: 0100%
Dr. Leahy compared with the South Carolina median for diagnostic radiologists, 2024
- Dr. Leahy
- South Carolina median
- Medicare services
- 1,624vs 3,01446% below
- Medicare patients
- 841vs 2,32564% below
Medians across 433 diagnostic radiologists in South Carolina with Dmand AI profiles that report each measure.
Dr. Leahy'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. Leahy and other diagnostic radiologists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Maurice Leahy treated 841 Medicare patients in 2024, average age 74
CMS counts 841 Medicare patients who saw Dr. Leahy in 2024. The largest group is 65 to 74, with 462 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.74, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Leahy's median patient age at 52, with 98% women.
Dr. Leahy's Medicare patients by age, 2024
Dr. Leahy's Medicare patients by sex, 2024
- Women80696%
- Men354%
Chronic conditions among Dr. Leahy's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis49%
- Osteoporosis27%
- Anxiety26%
- Diabetes20%
- Mood disorders20%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leahy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women98%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Maurice Leahy scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Leahy for performance year 2024, reported as part of a group. Dr. Leahy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Leahy's MIPS scores, performance year 2024
- 94of 100Final score
- 100of 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. John Maurice Leahy received $620 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Leahy from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 71% of the total. Telix Pharmaceuticals paid the most, $475.
General payments to Dr. Leahy by program year, 2016 to 2025
General payments to Dr. Leahy by kind, 2016 to 2025
- Travel and lodging$43871%
- Food and beverage$18229%
Companies that paid Dr. Leahy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Maurice Leahy'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) |
| 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) |
| 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. John Maurice Leahy
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. John Maurice Leahy's NPI number?
Dr. John Maurice Leahy's NPI number is 1750498200. It was assigned on August 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Maurice Leahy?
Dr. John Maurice Leahy is a diagnostic radiologist in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John Maurice Leahy practice?
Dr. Leahy practices at 2000 Hospital Dr, Mount Pleasant, SC 29464. Dr. Leahy's primary practice is East Cooper Medical Center in Mount Pleasant, South Carolina. Dmand AI also links Dr. Leahy to 2 hospitals and 3 medical groups.
What is Dr. John Maurice Leahy's office phone number?
The practice phone on file for Dr. Leahy is (843) 881-0100.
What is Dr. John Maurice Leahy's medical license number?
Dr. Leahy holds South Carolina license 89412, one of the licenses on file in 4 states.
Which states has Dr. John Maurice Leahy been licensed in?
Dmand AI has state licenses on file for Dr. Leahy in South Carolina, North Carolina, Virginia and Wisconsin.
Which hospitals is Dr. John Maurice Leahy affiliated with?
Dr. Leahy is affiliated with Novant Health East Cooper Medical Center. Dmand AI links Dr. Leahy to 2 more hospitals.
What medical group is Dr. John Maurice Leahy part of?
Dr. Leahy is linked to Novant Health East Cooper Medical Center. Dmand AI links Dr. Leahy to 3 more medical groups.
Does Dr. John Maurice Leahy accept Medicare?
Yes. CMS data shows Dr. Leahy billed Medicare for 1,624 services in 2024, and Dr. Leahy accepts Medicare assignment.
What is Dr. John Maurice Leahy's MIPS score?
Dr. Leahy's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. John Maurice Leahy see?
CMS counts 841 Medicare patients who saw Dr. Leahy in 2024, with an average age of 74.
What services does Dr. John Maurice Leahy bill to Medicare?
In 2024, Dr. Leahy's most billed Medicare services were radiation oncology (77063), radiation oncology (77067) and radiation oncology (77080).
Has Dr. John Maurice Leahy received payments from drug or device companies?
CMS Open Payments shows $620 in general payments to Dr. Leahy from 4 companies from 2016 to 2025. The largest total came from Telix Pharmaceuticals.
How long has Dr. John Maurice Leahy been practicing?
Dr. Leahy graduated from medical school in 1992, 34 years ago.
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