Dr. Marta Elisabeth Lewis, MD
- Medicare services, 2024
- 238
- Medicare patients, 2024
- 184
- Part D claims, 2024
- 110
- Hospital affiliations
- 2
- Industry payments
- $213
- Practice address
- 500 SW Ramsey Avenue, Grants Pass, OR 97527
- Practice phone
- Call (541) 472-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lewis' professional email, personal email and mobile number
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Dr. Marta Elisabeth Lewis is an emergency medicine physician in Grants Pass, Oregon
Dr. Lewis practices at Asante Three Rivers Medical Center in Grants Pass, Oregon, part of Asante Health System.
Dr. Lewis' NPI, 1700175239, was assigned on April 5, 2011. Dr. Lewis graduated from Sanford School of Medicine of University of South Dakota in 2011. Dr. Lewis holds Oregon license MD166669.
- NPI
- 1700175239NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739334533
- NPI enumeration date
- April 5, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 472-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marta Elisabeth Lewis practices at Asante Three Rivers Medical Center in Grants Pass, Oregon
Dr. Lewis' primary practice is Asante Three Rivers Medical Center, at 500 SW Ramsey Avenue, Grants Pass, OR 97527 in Josephine County. The practice phone is (541) 472-7000.
- Asante Three Rivers Medical Center500 SW Ramsey Avenue, Grants Pass, OR 97527 · Josephine CountyPhone(541) 472-7000
Source: Dmand AI Affiliation Data
Dr. Marta Elisabeth Lewis is affiliated with 2 sites of care and 2 medical groups
Dr. Lewis' primary practice is Asante Three Rivers Medical Center in Grants Pass, Oregon, part of Asante Health System. Dr. Lewis is also affiliated with Asante Rogue Regional Medical Center. The medical group on file is Asante Three Rivers Medical Center. Dmand AI also links Dr. Lewis to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marta Elisabeth Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Asante Three Rivers Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Asante Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marta Elisabeth Lewis is one of 962 emergency medicine physicians in Oregon
Emergency medicine is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Lewis is licensed in Oregon.
Specialties and state licenses
- Emergency medicine, OregonPrimary
Emergency medicine physicians near Dr. Lewis
Counts of emergency medicine physicians 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. Marta Elisabeth Lewis billed Medicare for 238 services in 2024
CMS data shows 238 Medicare services from Dr. Lewis across 4 procedure codes in 2024, for 184 Medicare patients. Medicare paid $14,119 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lewis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 932024: 13141%
- Tests and treatments
- 2023: 692024: 10755%
Dr. Lewis compared with the Oregon median for emergency medicine physicians, 2024
- Dr. Lewis
- Oregon median
- Medicare services
- 238vs 17734% above
- Medicare patients
- 184vs 181Close to median
- Part D claims
- 25vs 4949% below
Medians across 1,000 emergency medicine physicians in Oregon with Dmand AI profiles that report each measure.
Dr. Lewis' 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewis and other emergency medicine physicians in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marta Elisabeth Lewis treated 184 Medicare patients in 2024, average age 74
CMS counts 184 Medicare patients who saw Dr. Lewis in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.59, 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. Lewis' median patient age at 61, with 57% women.
Dr. Lewis' Medicare patients by age, 2024
Dr. Lewis' Medicare patients by sex, 2024
- Women11261%
- Men7239%
Chronic conditions among Dr. Lewis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis49%
- Chronic kidney disease35%
- Mood disorders34%
- Atrial fibrillation32%
- COPD32%
- Depression31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marta Elisabeth Lewis wrote 110 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 110 Medicare Part D claims for 81 patients. 94% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $113 in total drug cost. In 2022, CMS named 23 claims across 2 drugs.
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic103 claims94%
- Brand-name and other7 claims6%
Dr. Lewis' 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. Lewis' Part D claims, 2024
- Opioids19%21 of 110 claims
- Antibiotics35%39 of 110 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 232024: 259%
Drugs named by CMS: 2 in 2024, 2 in 2022.
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
How Dr. Marta Elisabeth Lewis takes part in Medicare
Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marta Elisabeth Lewis received $213 in industry payments from 2016 to 2025
CMS Open Payments shows 7 general payments to Dr. Lewis from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Mindray DS USA, Inc. paid the most, $121.
General payments to Dr. Lewis by program year, 2016 to 2025
Companies that paid Dr. Lewis 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. Marta Elisabeth Lewis graduated from Sanford School of Medicine of University of South Dakota
Dr. Lewis graduated from Sanford School of Medicine of University of South Dakota in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marta Elisabeth Lewis'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) |
| 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. Marta Elisabeth Lewis
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. Marta Elisabeth Lewis' NPI number?
Dr. Marta Elisabeth Lewis' NPI number is 1700175239. It was assigned on April 5, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Marta Elisabeth Lewis?
Dr. Marta Elisabeth Lewis is an emergency medicine physician in Grants Pass, Oregon. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Marta Elisabeth Lewis practice?
Dr. Lewis practices at 500 SW Ramsey Avenue, Grants Pass, OR 97527. Dr. Lewis' primary practice is Asante Three Rivers Medical Center in Grants Pass, Oregon, part of Asante Health System. Dmand AI also links Dr. Lewis to 1 medical group.
What is Dr. Marta Elisabeth Lewis' office phone number?
The practice phone on file for Dr. Lewis is (541) 472-7000.
What is Dr. Marta Elisabeth Lewis' medical license number?
Dr. Lewis holds Oregon license MD166669.
Which hospitals is Dr. Marta Elisabeth Lewis affiliated with?
Dr. Lewis practices at Asante Three Rivers Medical Center in Grants Pass, Oregon. Dr. Lewis is also affiliated with Asante Rogue Regional Medical Center.
What medical group is Dr. Marta Elisabeth Lewis part of?
Dr. Lewis is linked to Asante Three Rivers Medical Center. Dmand AI links Dr. Lewis to 1 more medical group.
Does Dr. Marta Elisabeth Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 238 services in 2024, and Dr. Lewis accepts Medicare assignment.
How many Medicare patients does Dr. Marta Elisabeth Lewis see?
CMS counts 184 Medicare patients who saw Dr. Lewis in 2024, with an average age of 74.
What services does Dr. Marta Elisabeth Lewis bill to Medicare?
In 2024, Dr. Lewis' most billed Medicare services were heart test or procedure (93010), emergency department visit (99284) and emergency department visit (99285).
Show 4 more questionsShow fewer questions
Where did Dr. Marta Elisabeth Lewis go to medical school?
Dr. Lewis graduated from Sanford School of Medicine of University of South Dakota in 2011.
What drugs does Dr. Marta Elisabeth Lewis prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Cephalexin and Hydrocodone-Acetaminophen.
Has Dr. Marta Elisabeth Lewis received payments from drug or device companies?
CMS Open Payments shows $213 in general payments to Dr. Lewis from 2 companies from 2016 to 2025. The largest total came from Mindray DS USA, Inc.
How long has Dr. Marta Elisabeth Lewis been practicing?
Dr. Lewis graduated from medical school in 2011, 15 years ago.
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