Lionel P. Marx, PA
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 220
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- 1015 Nw 22nd Avenue, W121, Portland, OR 97210
- Practice phone
- Call (503) 413-7682
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Lionel Marx'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.
Lionel P. Marx is a physician assistant in Portland, Oregon
Lionel Marx practices at Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health.
Lionel Marx's NPI, 1013268200, was assigned on September 27, 2012. Lionel Marx holds Oregon license PA160239.
- NPI
- 1013268200NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123273208
- NPI enumeration date
- September 27, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 413-7682
- 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)
Lionel P. Marx practices at Legacy Good Samaritan Medical Center in Portland, Oregon
Lionel Marx's primary practice is Legacy Good Samaritan Medical Center, at 1015 Nw 22nd Avenue, W121, Portland, OR 97210 in Multnomah County. The practice phone is (503) 413-7682.
- Legacy Good Samaritan Medical Center1015 Nw 22nd Avenue, W121, Portland, OR 97210 · Multnomah CountyPhone(503) 413-7682
Source: Dmand AI Affiliation Data
Lionel P. Marx is affiliated with 3 sites of care and 3 medical groups
Lionel Marx's primary practice is Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health. The medical group on file is Legacy Medical Group-Northwest. Dmand AI also links Lionel Marx to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Lionel P. Marx's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Lionel Marx practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Good Samaritan Medical Center | 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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Lionel P. Marx is one of 618 physician assistants in Oregon
Medical is Lionel Marx's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Lionel Marx is licensed in Oregon.
Specialties and state licenses
- Medical physician assistant, OregonPrimary
Physician assistants near Lionel Marx
Counts of physician assistants 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
Lionel P. Marx treated 132 Medicare patients in 2024, average age 72
CMS counts 132 Medicare patients who saw Lionel Marx in 2024. The largest group is 65 to 74, with 62 patients. 58% of them have high cholesterol, and 49% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Lionel Marx's median patient age at 43, with 62% women.
Lionel Marx's Medicare patients by age, 2024
Lionel Marx's Medicare patients by sex, 2024
- Women8161%
- Men5139%
Chronic conditions among Lionel Marx's Medicare patients, 2024
- High cholesterol58%
- High blood pressure49%
- Arthritis36%
- Mood disorders25%
- Anxiety23%
- Diabetes23%
- Chronic kidney disease21%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
Lionel Marx's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Lionel P. Marx wrote 220 Medicare Part D claims in 2024
In 2024, Lionel Marx wrote 220 Medicare Part D claims for 171 patients. 91% of them were for generic drugs.
Lionel Marx's Part D claims by kind of drug, 2024
- Generic200 claims91%
- Brand-name20 claims9%
Drug classes CMS tracks in Lionel Marx's Part D claims, 2024
- Antibiotics48%106 of 220 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Lionel P. Marx 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 Lionel Marx for performance year 2024, reported through an alternative payment model (APM). Lionel Marx accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Lionel Marx'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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Sources for Lionel P. Marx'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 (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) |
| 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 Lionel P. Marx
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Lionel P. Marx's NPI number?
Lionel P. Marx's NPI number is 1013268200. It was assigned on September 27, 2012, and it is active in the NPI Registry.
What does Lionel P. Marx specialize in?
Lionel P. Marx is a physician assistant in Portland, Oregon. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Lionel P. Marx practice?
Lionel Marx practices at 1015 Nw 22nd Avenue, W121, Portland, OR 97210. Lionel Marx's primary practice is Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health. Dmand AI also links Lionel Marx to 2 group practices and clinics and 2 medical groups.
What is Lionel P. Marx's office phone number?
The practice phone on file for Lionel Marx is (503) 413-7682.
What is Lionel P. Marx's medical license number?
Lionel Marx holds Oregon license PA160239.
Which hospitals is Lionel P. Marx affiliated with?
Lionel Marx practices at Legacy Good Samaritan Medical Center in Portland, Oregon.
What medical group is Lionel P. Marx part of?
Lionel Marx is linked to Legacy Medical Group-Northwest. Dmand AI links Lionel Marx to 2 more medical groups.
Does Lionel P. Marx accept Medicare?
Yes. CMS lists Lionel Marx as accepting Medicare assignment.
What is Lionel P. Marx's MIPS score?
Lionel Marx'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 Lionel P. Marx see?
CMS counts 132 Medicare patients who saw Lionel Marx in 2024, with an average age of 72.
How long has Lionel P. Marx been practicing?
Lionel Marx graduated from medical school in 2012, 14 years ago.
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