Dr. Leon Bruce Marshall, DO
- Medicare services, 2024
- 152
- Medicare patients, 2024
- 156
- Part D claims, 2017
- 558
- MIPS score, 2024
- 95
- Hospital affiliations
- 4
- Practice address
- 2801 N Gantenbein Avenue, Portland, OR 97227
- Practice phone
- Call (503) 413-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marshall'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. Leon Bruce Marshall is a neurologist in Portland, Oregon
Dr. Marshall practices at Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health.
Dr. Marshall's NPI, 1487703450, was assigned on January 9, 2007. Dr. Marshall graduated from Michigan State University College of Osteopathic Medicine in 1990. Dr. Marshall holds Oregon license DO29055.
- NPI
- 1487703450NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850382086
- NPI enumeration date
- January 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (503) 413-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leon Bruce Marshall practices at Legacy Emanuel Medical Center in Portland, Oregon
Dr. Marshall's primary practice is Legacy Emanuel Medical Center, at 2801 N Gantenbein Avenue, Portland, OR 97227 in Multnomah County. The practice phone is (503) 413-2200.
- Legacy Emanuel Medical Center2801 N Gantenbein Avenue, Portland, OR 97227 · Multnomah CountyPhone(503) 413-2200
Source: Dmand AI Affiliation Data
Dr. Leon Bruce Marshall is affiliated with 8 sites of care and 3 medical groups
Dr. Marshall's primary practice is Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health. Dr. Marshall is also affiliated with Legacy Salmon Creek Medical Center. The medical group on file is Legacy Medical Group-Northwest. Dmand AI also links Dr. Marshall to 2 more hospitals, 2 group practices and clinics, 2 medical groups, 1 clinical lab and 1 therapy and rehab 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. Leon Bruce Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Emanuel Medical Center | Available with a free account |
| +7 more sites and 2 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 Legacy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Leon Bruce Marshall is one of 246 neurologists in Oregon
Neurology is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has Dr. Marshall's licenses on file in 2 states: Oregon and Michigan.
Specialties and state licenses
- Neurology, OregonPrimary
- Michigan license
Neurologists near Dr. Marshall
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. Leon Bruce Marshall billed Medicare for 152 services in 2024
CMS data shows 152 Medicare services from Dr. Marshall across 5 procedure codes in 2024, for 156 Medicare patients. Medicare paid $17,027 for them.
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1462024: 1358%
- Other services
- 2023: 162024: 176%
Where Dr. Marshall's Medicare services took place, 2024
- In an office1711%
- In a facility13589%
Dr. Marshall compared with the Oregon median for neurologists, 2024
- Dr. Marshall
- Oregon median
- Medicare services
- 152vs 24738% below
- Medicare patients
- 156vs 153Close to median
- Part D claims
- 558vs 39242% above
Medians across 253 neurologists in Oregon with Dmand AI profiles that report each measure.
Dr. Marshall'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. Leon Bruce Marshall treated 156 Medicare patients in 2024, average age 75
CMS counts 156 Medicare patients who saw Dr. Marshall in 2024. The largest group is 75 to 84, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.61, 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. Marshall's median patient age at 73, with 54% women.
Dr. Marshall's Medicare patients by age, 2024
Dr. Marshall's Medicare patients by sex, 2024
- Women8454%
- Men7246%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA66%
- Arthritis42%
- Ischemic heart disease38%
- Mood disorders36%
- Heart failure34%
- Anxiety32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshall'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
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leon Bruce Marshall wrote 558 Medicare Part D claims in 2017
In 2017, Dr. Marshall wrote 558 Medicare Part D claims. They cover 22 drugs, with $214,427 in total drug cost. In 2016, CMS named 1,696 claims across 45 drugs.
Dr. Marshall's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1,6962017: 55867%
Drugs named by CMS: 22 in 2017, 45 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Leon Bruce Marshall scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Marshall for performance year 2024, reported through an alternative payment model (APM). Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marshall as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Marshall's MIPS scores, performance year 2024
- 95of 100Final score
- 77.2of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Leon Bruce Marshall received $14 in industry payments in 2017
CMS Open Payments shows 2 general payments to Dr. Marshall from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $14.
Companies that paid Dr. Marshall the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leon Bruce Marshall graduated from Michigan State University College of Osteopathic Medicine
Dr. Marshall graduated from Michigan State University College of Osteopathic Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leon Bruce Marshall'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)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. Leon Bruce Marshall
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. Leon Bruce Marshall's NPI number?
Dr. Leon Bruce Marshall's NPI number is 1487703450. It was assigned on January 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Bruce Marshall?
Dr. Leon Bruce Marshall is a neurologist in Portland, Oregon. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Leon Bruce Marshall practice?
Dr. Marshall practices at 2801 N Gantenbein Avenue, Portland, OR 97227. Dr. Marshall's primary practice is Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health. Dmand AI also links Dr. Marshall to 2 hospitals, 2 group practices and clinics, 2 medical groups, 1 clinical lab and 1 therapy and rehab clinic.
What is Dr. Leon Bruce Marshall's office phone number?
The practice phone on file for Dr. Marshall is (503) 413-2200.
What is Dr. Leon Bruce Marshall's medical license number?
Dr. Marshall holds Oregon license DO29055, one of the licenses on file in 2 states.
Which states has Dr. Leon Bruce Marshall been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in Oregon and Michigan.
Which hospitals is Dr. Leon Bruce Marshall affiliated with?
Dr. Marshall practices at Legacy Emanuel Medical Center in Portland, Oregon. Dr. Marshall is also affiliated with Legacy Salmon Creek Medical Center. Dmand AI links Dr. Marshall to 2 more hospitals.
What medical group is Dr. Leon Bruce Marshall part of?
Dr. Marshall is linked to Legacy Medical Group-Northwest. Dmand AI links Dr. Marshall to 2 more medical groups.
Does Dr. Leon Bruce Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 152 services in 2024, and Dr. Marshall accepts Medicare assignment.
Does Dr. Leon Bruce Marshall offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marshall as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. Leon Bruce Marshall's MIPS score?
Dr. Marshall's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Leon Bruce Marshall see?
CMS counts 156 Medicare patients who saw Dr. Marshall in 2024, with an average age of 75.
What services does Dr. Leon Bruce Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and critical care (99291).
Where did Dr. Leon Bruce Marshall go to medical school?
Dr. Marshall graduated from Michigan State University College of Osteopathic Medicine in 1990.
What drugs does Dr. Leon Bruce Marshall prescribe most?
In 2017 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Levetiracetam, Donepezil HCl and Gabapentin.
Has Dr. Leon Bruce Marshall received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Marshall from 1 company from 2017 to 2017. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Leon Bruce Marshall been practicing?
Dr. Marshall graduated from medical school in 1990, 36 years ago.
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