Dr. Joseph W. Leach, MD
- Medicare services, 2024
- 83
- Medicare patients, 2024
- 74
- Part D claims, 2024
- 346
- MIPS score, 2024
- 89
- Hospital affiliations
- 4
- Practice address
- 800 East 28th Street, Minneapolis, MN 55407
- Practice phone
- Call (612) 863-4000
- 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. Joseph W. Leach is a medical oncologist in Minneapolis, Minnesota
Dr. Leach practices at Abbott Northwestern Hospital in Minneapolis, Minnesota, part of Sutter Health.
Dr. Leach's NPI, 1922083336, was assigned on December 8, 2005. Dr. Leach graduated from University of Minnesota Medical School in 1993. Dr. Leach holds Minnesota license 41971.
- NPI
- 1922083336NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315082393
- NPI enumeration date
- December 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (612) 863-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joseph W. Leach practices at Abbott Northwestern Hospital in Minneapolis, Minnesota
Dr. Leach's primary practice is Abbott Northwestern Hospital, at 800 East 28th Street, Minneapolis, MN 55407 in Hennepin County. The practice phone is (612) 863-4000.
- Abbott Northwestern Hospital800 East 28th Street, Minneapolis, MN 55407 · Hennepin CountyPhone(612) 863-4000
Source: Dmand AI Affiliation Data
Dr. Joseph W. Leach is affiliated with 8 sites of care and 3 medical groups
Dr. Leach's primary practice is Abbott Northwestern Hospital in Minneapolis, Minnesota, part of Sutter Health. Dr. Leach is also affiliated with United Hospital. The medical group on file is Buffalo Hospital. Dmand AI also links Dr. Leach to 2 more hospitals, 3 group practices and clinics, 2 medical groups and 1 home health agency, 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. Joseph W. Leach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leach practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Abbott Northwestern Hospital | Available with a free account |
| +7 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joseph W. Leach is one of 122 medical oncologists in Minnesota
Medical oncology is Dr. Leach's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Leach is licensed in Minnesota.
Specialties and state licenses
- Medical oncology, MinnesotaPrimary
Medical oncologists near Dr. Leach
Counts of medical 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. Joseph W. Leach billed Medicare for 83 services in 2024
CMS data shows 83 Medicare services from Dr. Leach across 4 procedure codes in 2024, for 74 Medicare patients. Medicare paid $7,109 for them.
Dr. Leach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 752024: 8311%
Where Dr. Leach's Medicare services took place, 2024
- In an office3137%
- In a facility5263%
Dr. Leach compared with the Minnesota median for medical oncologists, 2024
- Dr. Leach
- Minnesota median
- Medicare services
- 83vs 1,28494% below
- Medicare patients
- 74vs 24870% below
- Part D claims
- 196vs 196Close to median
Medians across 119 medical oncologists in Minnesota 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. Joseph W. Leach treated 74 Medicare patients in 2024, average age 74
CMS counts 74 Medicare patients who saw Dr. Leach in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.27, 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 68, with 57% women.
Dr. Leach's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Leach's Medicare patients by sex, 2024
- Women4358%
- Men3142%
Chronic conditions among Dr. Leach's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Cancer66%
- Chronic kidney disease41%
- Anxiety34%
- Diabetes34%
- Mood disorders34%
- Depression30%
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 68
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joseph W. Leach wrote 346 Medicare Part D claims in 2024
In 2024, Dr. Leach wrote 346 Medicare Part D claims for 78 patients. 66% of them were for generic drugs. CMS names the drug for 196 of them, across 10 drugs with 11 or more claims each, at $806,678 in total drug cost. In 2023, CMS named 100 claims across 7 drugs.
Dr. Leach's Part D claims by kind of drug, 2024
- Generic227 claims66%
- Brand-name119 claims34%
Dr. Leach'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. Leach's Part D claims, 2024
- Opioids4%13 of 346 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1002024: 19696%
Drugs named by CMS: 10 in 2024, 7 in 2023.
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. Joseph W. Leach scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Leach for performance year 2024, reported as part of a group. Dr. Leach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Leach as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Leach's MIPS scores, performance year 2024
- 89of 100Final score
- 75.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 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. Joseph W. Leach received $8,390 in industry payments from 2016 to 2025
CMS Open Payments shows 18 general payments to Dr. Leach from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 65% of the total. AstraZeneca Pharmaceuticals LP paid the most, $5,702. It also lists 1 research payment totaling $33,860 in 2019.
General payments to Dr. Leach by program year, 2016 to 2025
General payments to Dr. Leach by kind, 2016 to 2025
- Consulting fees$5,46565%
- Travel and lodging$1,27215%
- Food and beverage$87710%
- Speaker and faculty fees$7008%
- Education$761%
Companies that paid Dr. Leach 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. Joseph W. Leach graduated from University of Minnesota Medical School
Dr. Leach graduated from University of Minnesota Medical School in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joseph W. 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)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) |
| 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. Joseph W. 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. Joseph W. Leach's NPI number?
Dr. Joseph W. Leach's NPI number is 1922083336. It was assigned on December 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph W. Leach?
Dr. Joseph W. Leach is a medical oncologist in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).
Where does Dr. Joseph W. Leach practice?
Dr. Leach practices at 800 East 28th Street, Minneapolis, MN 55407. Dr. Leach's primary practice is Abbott Northwestern Hospital in Minneapolis, Minnesota, part of Sutter Health. Dmand AI also links Dr. Leach to 2 hospitals, 3 group practices and clinics, 2 medical groups and 1 home health agency.
What is Dr. Joseph W. Leach's office phone number?
The practice phone on file for Dr. Leach is (612) 863-4000.
What is Dr. Joseph W. Leach's medical license number?
Dr. Leach holds Minnesota license 41971.
Which hospitals is Dr. Joseph W. Leach affiliated with?
Dr. Leach practices at Abbott Northwestern Hospital in Minneapolis, Minnesota. Dr. Leach is also affiliated with United Hospital. Dmand AI links Dr. Leach to 2 more hospitals.
What medical group is Dr. Joseph W. Leach part of?
Dr. Leach is linked to Buffalo Hospital. Dmand AI links Dr. Leach to 2 more medical groups.
Does Dr. Joseph W. Leach accept Medicare?
Yes. CMS data shows Dr. Leach billed Medicare for 83 services in 2024, and Dr. Leach accepts Medicare assignment.
Does Dr. Joseph W. Leach offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Leach as offering telehealth services.
What is Dr. Joseph W. Leach's MIPS score?
Dr. Leach's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Joseph W. Leach see?
CMS counts 74 Medicare patients who saw Dr. Leach in 2024, with an average age of 74.
What services does Dr. Joseph W. Leach bill to Medicare?
In 2024, Dr. Leach's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99213) and hospital inpatient care (99222).
Where did Dr. Joseph W. Leach go to medical school?
Dr. Leach graduated from University of Minnesota Medical School in 1993.
What drugs does Dr. Joseph W. Leach prescribe most?
In 2024 Medicare Part D data, Dr. Leach's most prescribed drugs by claims were Tagrisso, Prochlorperazine Maleate and Tamoxifen Citrate.
Has Dr. Joseph W. Leach received payments from drug or device companies?
CMS Open Payments shows $8,390 in general payments to Dr. Leach from 9 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Joseph W. Leach been practicing?
Dr. Leach graduated from medical school in 1993, 33 years ago.
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