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Dr. Joyce E. Leon, MD
NPI1225005002
- Medicare services, 2022
- 78
- Part D claims, 2023
- 11
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $4,450
- Practice address
- 18101 Oakwood Blvd, Dearborn, MI 48124
- Practice phone
- Call (313) 593-7125
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Leon's professional email, personal email and mobile number
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Dr. Joyce E. Leon is an internist in Dearborn, Michigan
Dr. Leon practices at Corewell Health Dearborn Hospital in Dearborn, Michigan, part of Corewell Health.
Dr. Leon's NPI, 1225005002, was assigned on March 1, 2006. Dr. Leon graduated from Michigan State University College of Human Medicine in 1999. Dr. Leon holds Michigan license 4301073804.
NPI and contact details
- NPI
- 1225005002NPI Registry (opens in a new tab)
- NPI enumeration date
- March 1, 2006
- NPI status
- Active
- Practice phone
- (313) 593-7125
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joyce E. Leon practices at Corewell Health Dearborn Hospital in Dearborn, Michigan
Dr. Leon's primary practice is Corewell Health Dearborn Hospital, at 18101 Oakwood Blvd, Dearborn, MI 48124 in Wayne County. The practice phone is (313) 593-7125.
- Corewell Health Dearborn Hospital18101 Oakwood Blvd, Dearborn, MI 48124 · Wayne CountyPhone(313) 593-7125
Source: Dmand AI Affiliation Data
Dr. Joyce E. Leon is affiliated with 3 sites of care and 3 medical groups
Dr. Leon's primary practice is Corewell Health Dearborn Hospital in Dearborn, Michigan, part of Corewell Health. The medical group on file is Henry Ford Wyandotte Hospital. Dmand AI also links Dr. Leon to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Henry Ford Wyandotte Hospital2 group practices and clinicsNames with a free account2 medical groupsNames with a free account
See all 6 affiliations for Dr. LeonSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joyce E. Leon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Leon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Dearborn Hospital | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joyce E. Leon is one of 4,804 internists in Michigan
Internal medicine is Dr. Leon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Leon is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Leon
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
4,804internists in Michigan147internists in Dearborn102internists at Corewell Health Dearborn Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Joyce E. Leon billed Medicare for 78 services in 2022
CMS data shows 78 Medicare services from Dr. Leon across 3 procedure codes in 2022. Medicare paid $3,663 for them. Every service was in an office.
Medicare services, 202278
Paid by Medicare$3,663
Procedure codes3
Dr. Leon's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 522022: 52No change
- Surgery
- 2021: 132022: 26100%
- Tests and treatments
- 2021: 182022: 0100%
- Other services
- 2021: 382022: 0100%
Dr. Leon compared with the Michigan median for internists, 2022
- Dr. Leon
- Michigan median
- Medicare services
- 78vs 42382% below
- Part D claims
- 11vs 31496% below
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Leon's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Leon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Leon and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joyce E. Leon's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Leon's median patient age at 62, with 60% women.
Dr. Leon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women60%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Joyce E. Leon wrote 11 Medicare Part D claims in 2023
In 2023, Dr. Leon wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $189 in total drug cost. In 2022, CMS named 1,580 claims across 52 drugs.
Part D claims, 202311
Drugs named by CMS1
Total drug cost$189
Dr. Leon's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1,5802023: 1199%
Drugs named by CMS: 1 in 2023, 52 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Joyce E. Leon has 1 publication on record
Dmand AI links 1 paper to Dr. Leon in 2021. Dr. Leon's most frequent co-authors are Bruce K. Muma, MD and Allison Jane Weinmann, MD.
Papers1
Dr. Leon's most frequent co-authors
Recent publications by Dr. Leon
See who Dr. Leon researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Leon works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Joyce E. Leon received $4,450 in industry payments in 2022
CMS Open Payments shows 7 general payments to Dr. Leon from 2 drug and device companies in 2022. Consulting fees make up the largest share, 71% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $4,412.
General payments to Dr. Leon by kind, 2022 to 2022
$4.5Kin total
- Consulting fees$3,15071%
- Travel and lodging$1,18727%
- Food and beverage$1133%
Companies that paid Dr. Leon the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joyce E. Leon graduated from Michigan State University College of Human Medicine
Dr. Leon graduated from Michigan State University College of Human Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joyce E. Leon'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Joyce E. Leon
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. Joyce E. Leon's NPI number?
Dr. Joyce E. Leon's NPI number is 1225005002. It was assigned on March 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce E. Leon?
Dr. Joyce E. Leon is an internist in Dearborn, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joyce E. Leon practice?
Dr. Leon practices at 18101 Oakwood Blvd, Dearborn, MI 48124. Dr. Leon's primary practice is Corewell Health Dearborn Hospital in Dearborn, Michigan, part of Corewell Health. Dmand AI also links Dr. Leon to 2 group practices and clinics and 2 medical groups.
What is Dr. Joyce E. Leon's office phone number?
The practice phone on file for Dr. Leon is (313) 593-7125.
What is Dr. Joyce E. Leon's medical license number?
Dr. Leon holds Michigan license 4301073804.
Which hospitals is Dr. Joyce E. Leon affiliated with?
Dr. Leon practices at Corewell Health Dearborn Hospital in Dearborn, Michigan.
What medical group is Dr. Joyce E. Leon part of?
Dr. Leon is linked to Henry Ford Wyandotte Hospital. Dmand AI links Dr. Leon to 2 more medical groups.
Does Dr. Joyce E. Leon accept Medicare?
Yes. CMS data shows Dr. Leon billed Medicare for 78 services in 2022.
What services does Dr. Joyce E. Leon bill to Medicare?
In 2022, Dr. Leon's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and office visit, established patient (99213).
Where did Dr. Joyce E. Leon go to medical school?
Dr. Leon graduated from Michigan State University College of Human Medicine in 1999.
Show 5 more questionsShow fewer questions
What drugs does Dr. Joyce E. Leon prescribe most?
In 2023 Medicare Part D data, Dr. Leon's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Joyce E. Leon received payments from drug or device companies?
CMS Open Payments shows $4,450 in general payments to Dr. Leon from 2 companies from 2022 to 2022. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Joyce E. Leon been practicing?
Dr. Leon graduated from medical school in 1999, 27 years ago.
Does Dr. Joyce E. Leon do research?
Dmand AI links 1 publication to Dr. Leon.
Who does Dr. Joyce E. Leon publish with?
Dr. Leon's most frequent co-authors are Bruce K. Muma, MD (1 shared paper) and Allison Jane Weinmann, MD (1 shared paper).
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