Dr. Matthew Reidy Leach, MD
- Medicare services, 2024
- 226
- Medicare patients, 2024
- 134
- Part D claims, 2019
- 186
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 4440 W 95th Street, Oak Lawn, IL 60453
- Practice phone
- Call (708) 684-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leach's professional email, personal email and mobile number
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Dr. Matthew Reidy Leach is a neurologist in Oak Lawn, Illinois
Dr. Leach practices at Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health.
Dr. Leach's NPI, 1467849513, was assigned on April 15, 2015. Dr. Leach graduated from University of Michigan Medical School in 2015. Dr. Leach holds Illinois license 036154712.
- NPI
- 1467849513NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183960271
- NPI enumeration date
- April 15, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 684-8000
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew Reidy Leach practices at Advocate Christ Medical Center in Oak Lawn, Illinois
Dr. Leach's primary practice is Advocate Christ Medical Center, at 4440 W 95th Street, Oak Lawn, IL 60453 in Cook County. The practice phone is (708) 684-8000.
- Advocate Christ Medical Center4440 W 95th Street, Oak Lawn, IL 60453 · Cook CountyPhone(708) 684-8000
Source: Dmand AI Affiliation Data
Dr. Matthew Reidy Leach is affiliated with 2 sites of care and 3 medical groups
Dr. Leach's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Leach to 2 more medical groups and 1 group practice or clinic, 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. Matthew Reidy Leach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leach practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Advocate Christ Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Reidy Leach is one of 822 neurologists in Illinois
Neurology is Dr. Leach's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Leach is licensed in Illinois.
Specialties and state licenses
- Neurology, IllinoisPrimary
Neurologists near Dr. Leach
Counts of neurologists 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. Matthew Reidy Leach billed Medicare for 226 services in 2024
CMS data shows 226 Medicare services from Dr. Leach across 4 procedure codes in 2024, for 134 Medicare patients. Medicare paid $29,629 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Leach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1852024: 21114%
- Surgery
- 2023: 02024: 15
Dr. Leach compared with the Illinois median for neurologists, 2024
- Dr. Leach
- Illinois median
- Medicare services
- 226vs 40144% below
- Medicare patients
- 134vs 22540% below
- Part D claims
- 186vs 31842% below
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Leach'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. Matthew Reidy Leach treated 134 Medicare patients in 2024, average age 71
CMS counts 134 Medicare patients who saw Dr. Leach in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 3.38, 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. Leach's median patient age at 73, with 47% women.
Dr. Leach's Medicare patients by age, 2024
Dr. Leach's Medicare patients by sex, 2024
- Women6146%
- Men7354%
Chronic conditions among Dr. Leach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease69%
- Diabetes64%
- Stroke or TIA63%
- Heart failure60%
- Ischemic heart disease51%
- Atrial fibrillation47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Leach'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
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew Reidy Leach wrote 186 Medicare Part D claims in 2019
In 2019, Dr. Leach wrote 186 Medicare Part D claims. They cover 10 drugs, with $6,303 in total drug cost. In 2018, CMS named 377 claims across 16 drugs.
Dr. Leach's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 3772019: 18651%
Drugs named by CMS: 10 in 2019, 16 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Matthew Reidy Leach takes part in Medicare
Dr. Leach accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Pacemaker insertion or repair: 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)
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Dr. Matthew Reidy Leach graduated from University of Michigan Medical School
Dr. Leach graduated from University of Michigan Medical School in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Reidy Leach'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) |
| 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) |
| 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. Matthew Reidy Leach
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. Matthew Reidy Leach's NPI number?
Dr. Matthew Reidy Leach's NPI number is 1467849513. It was assigned on April 15, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Reidy Leach?
Dr. Matthew Reidy Leach is a neurologist in Oak Lawn, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Matthew Reidy Leach practice?
Dr. Leach practices at 4440 W 95th Street, Oak Lawn, IL 60453. Dr. Leach's primary practice is Advocate Christ Medical Center in Oak Lawn, Illinois, part of Advocate Health. Dmand AI also links Dr. Leach to 2 medical groups and 1 group practice or clinic.
What is Dr. Matthew Reidy Leach's office phone number?
The practice phone on file for Dr. Leach is (708) 684-8000.
What is Dr. Matthew Reidy Leach's medical license number?
Dr. Leach holds Illinois license 036154712.
Which hospitals is Dr. Matthew Reidy Leach affiliated with?
Dr. Leach practices at Advocate Christ Medical Center in Oak Lawn, Illinois.
What medical group is Dr. Matthew Reidy Leach part of?
Dr. Leach is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Leach to 2 more medical groups.
Does Dr. Matthew Reidy Leach accept Medicare?
Yes. CMS data shows Dr. Leach billed Medicare for 226 services in 2024, and Dr. Leach accepts Medicare assignment.
How many Medicare patients does Dr. Matthew Reidy Leach see?
CMS counts 134 Medicare patients who saw Dr. Leach in 2024, with an average age of 71.
What services does Dr. Matthew Reidy Leach bill to Medicare?
In 2024, Dr. Leach's most billed Medicare services were critical care (99291), hospital inpatient care (99232) and hospital inpatient care (99233).
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Where did Dr. Matthew Reidy Leach go to medical school?
Dr. Leach graduated from University of Michigan Medical School in 2015.
What drugs does Dr. Matthew Reidy Leach prescribe most?
In 2019 Medicare Part D data, Dr. Leach's most prescribed drugs by claims were Lamotrigine, Levetiracetam and Topiramate.
How long has Dr. Matthew Reidy Leach been practicing?
Dr. Leach graduated from medical school in 2015, 11 years ago.
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