Marta Elisabeth Lewis, MD
Emergency Medicine Physician · Grants Pass, OR
Marta Elisabeth Lewis, MD is an emergency medicine physician with a practice address in Grants Pass, Oregon, and NPI 1700175239, issued on Apr 5, 2011. Check the license (Oregon MD166669, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marta Elisabeth Lewis
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD166669 OR
Self-reported in NPPES; status is on the state search - Practice location
- 500 SW Ramsey Ave, Grants Pass, OR 97527
- Phone
- (541) 472-7000
- Enumerated
- Apr 5, 2011
- Record last updated
- May 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140922001392); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,079 in Oregon → Look up another NPI →
Also registered at 500 SW Ramsey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel AlexanianPhysician Assistant1346993326
- Keith Anderson, CRNACertified Registered Nurse Anesthetist1073590733
- Whitney Baker, MDEmergency Medicine Physician1659582161
- Kelsey Balcita, PHARMDPharmacist1720636574
- Matthew Beeson, MDEmergency Medicine Physician1942643077
- Cody Biller, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1821375833
Verify Marta Elisabeth Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD166669Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average emergency medicine physician in 2024
110 Medicare Part D claims for 81 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Cephalexin14 claims
- Hydrocodone-Acetaminophen11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $104.06
3 payments; by number, the most common kind was food and beverage; the largest payer was Mindray DS USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Asante Three Rivers Medical Center LLCGrants Pass, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marta Elisabeth Lewis among 1,079 emergency medicine physician records in Oregon
Marta Elisabeth Lewis, MD is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2011 · median 2013 among the 557 with a school on file
- Record last updated2014 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 emergency medicine physician records list a practice address in Grants Pass
They are 28 of the 2,127 NPPES records with a practice address in Grants Pass, and 1,079 emergency medicine physician records in Oregon.
All 1,079 in Oregon → Every provider in Grants Pass → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Whitney Baker, MDGrants Pass, OR 975271659582161
- Rosemarie Barone, MDGrants Pass, OR 975271508934506
- John Bonk, MDGrants Pass, OR 975271689994337
- Christopher David, MDGrants Pass, OR 975271487816682
- Janet Eoff, MDGrants Pass, OR 975271821177387
- James Giesen, DOGrants Pass, OR 975271619056173
- Bernard Hill, MDGrants Pass, OR 975271720186950
- Martin Hill, MDGrants Pass, OR 975271023186012
Common questions
What is Marta Elisabeth Lewis, MD's NPI number?
Marta Elisabeth Lewis, MD's National Provider Identifier (NPI) is 1700175239, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Marta Elisabeth Lewis, MD located?
The NPPES record lists a practice address at 500 SW Ramsey Ave, Grants Pass, OR, 97527. Phone: (541) 472-7000. Providers update this record themselves, so call before visiting.
How can I verify Marta Elisabeth Lewis, MD's license?
NPPES lists Oregon license number MD166669, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marta Elisabeth Lewis, MD prescribe under Medicare Part D?
In 2024, Marta Elisabeth Lewis, MD had 110 Medicare Part D claims for 81 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.