Dr. John Leahy, MD
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 67
- Hospital affiliations
- 1
- Industry payments
- $6,994
- Medical groups
- 4
- Practice address
- 2799 W Grand Blvd, Detroit, MI 48202
- Practice phone
- Call (313) 916-2600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leahy's professional email, personal email and mobile number
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Dr. John Leahy is an OB-GYN in Detroit, Michigan
Dr. Leahy practices at Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health.
Dr. Leahy's NPI, 1396008405, was assigned on June 22, 2012. Dr. Leahy graduated from Michigan State University College of Human Medicine in 2012. Dr. Leahy holds Minnesota license 4301101353.
- NPI
- 1396008405NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123363223
- NPI enumeration date
- June 22, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 916-2600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Leahy practices at Henry Ford Hospital in Detroit, Michigan
Dr. Leahy's primary practice is Henry Ford Hospital, at 2799 W Grand Blvd, Detroit, MI 48202 in Wayne County. The practice phone is (313) 916-2600.
- Henry Ford Hospital2799 W Grand Blvd, Detroit, MI 48202 · Wayne CountyPhone(313) 916-2600
Source: Dmand AI Affiliation Data
Dr. John Leahy is affiliated with 3 sites of care and 4 medical groups
Dr. Leahy's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health. The medical group on file is Henry Ford Health. Dmand AI also links Dr. Leahy to 3 more medical groups and 2 group practices and clinics, 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. John 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 |
|---|---|
| Henry Ford Hospital | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Henry Ford Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Leahy is one of 1,457 OB-GYNs in Michigan
Obstetrics and gynecology is Dr. Leahy's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Leahy is licensed in Minnesota.
Specialties and state licenses
- Obstetrics and gynecology, MinnesotaPrimary
OB-GYNs near Dr. Leahy
Counts of OB-GYNs 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 Leahy treated 19 Medicare patients in 2024, average age 52
CMS counts 19 Medicare patients who saw Dr. Leahy in 2024. 74% of them have high blood pressure, and 68% have high cholesterol. Their average risk score is 2.39, 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. Leahy's median patient age at 38, with 99% women.
Chronic conditions among Dr. Leahy's Medicare patients, 2024
- High blood pressure74%
- High cholesterol68%
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 38
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Leahy wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Leahy wrote 67 Medicare Part D claims for 25 patients. 79% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $364 in total drug cost. In 2020, CMS named 18 claims across 1 drug.
Dr. Leahy's Part D claims by kind of drug, 2024
- Generic53 claims79%
- Brand-name and other14 claims21%
Dr. Leahy'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, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 182024: 1328%
Drugs named by CMS: 1 in 2024, 1 in 2020.
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
How Dr. John Leahy takes part in Medicare
Dr. Leahy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
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Dr. John Leahy received $6,994 in industry payments from 2016 to 2025
CMS Open Payments shows 196 general payments to Dr. Leahy from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 62% of the total. Sumitomo Pharma America, Inc. paid the most, $2,292.
General payments to Dr. Leahy by program year, 2016 to 2025
General payments to Dr. Leahy by kind, 2016 to 2025
- Food and beverage$4,35262%
- Speaker and faculty fees$1,64023%
- Travel and lodging$88113%
- Education$1212%
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
Dr. John Leahy graduated from Michigan State University College of Human Medicine
Dr. Leahy graduated from Michigan State University College of Human Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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)Doctors and Clinicians Utilization Data (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 |
| 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 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 Leahy's NPI number?
Dr. John Leahy's NPI number is 1396008405. It was assigned on June 22, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. John Leahy?
Dr. John Leahy is an OB-GYN in Detroit, Michigan. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. John Leahy practice?
Dr. Leahy practices at 2799 W Grand Blvd, Detroit, MI 48202. Dr. Leahy's primary practice is Henry Ford Hospital in Detroit, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Leahy to 3 medical groups and 2 group practices and clinics.
What is Dr. John Leahy's office phone number?
The practice phone on file for Dr. Leahy is (313) 916-2600.
What is Dr. John Leahy's medical license number?
Dr. Leahy holds Minnesota license 4301101353.
Which hospitals is Dr. John Leahy affiliated with?
Dr. Leahy practices at Henry Ford Hospital in Detroit, Michigan.
What medical group is Dr. John Leahy part of?
Dr. Leahy is linked to Henry Ford Health. Dmand AI links Dr. Leahy to 3 more medical groups.
Does Dr. John Leahy accept Medicare?
Yes. CMS lists Dr. Leahy as accepting Medicare assignment.
How many Medicare patients does Dr. John Leahy see?
CMS counts 19 Medicare patients who saw Dr. Leahy in 2024, with an average age of 52.
Where did Dr. John Leahy go to medical school?
Dr. Leahy graduated from Michigan State University College of Human Medicine in 2012.
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What drugs does Dr. John Leahy prescribe most?
In 2024 Medicare Part D data, Dr. Leahy's most prescribed drugs by claims were Valacyclovir.
Has Dr. John Leahy received payments from drug or device companies?
CMS Open Payments shows $6,994 in general payments to Dr. Leahy from 33 companies from 2016 to 2025. The largest total came from Sumitomo Pharma America, Inc.
How long has Dr. John Leahy been practicing?
Dr. Leahy graduated from medical school in 2012, 14 years ago.
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