Tamar Virtelle Lan Walker, MD, MBA
Surgery Physician · Portland, OR
Tamar Virtelle Lan Walker, MD, MBA is a surgery physician with a practice address in Portland, Oregon, and NPI 1205396397, issued on Mar 23, 2019. Check the license (Oregon MD219471, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tamar Virtelle Lan Walker
- Credential
- MD, MBA
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- MD219471 OR
MD600004247 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3303 S Bond Ave, Portland, OR 97239
- Phone
- (503) 494-4373
- Enumerated
- Mar 23, 2019
- Record last updated
- Jul 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20260116000014); may accept Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2019
- Entity
- Type 1 · individual
Also registered at 3303 S Bond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tamar Virtelle Lan Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD219471Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average surgery physician in 2024
11 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Surgery Physician providers in Oregon
There are 524 surgery physician records in Oregon.
Other surgery physician records in Oregon
- Pedro Abdala, MDStayton, OR1700415932
- Shaan Akhtar, M.D.Redmond, OR1790165876
- Shaghayegh Aliabadi, M.D.Portland, OR1083785562
- Julianne Allen, MDMedford, OR1467816363
- Carrie Allison, MDSalem, OR1548487184
- Steffan Anderson, M.D., PH.D.Florence, OR1336292549
- Taylor Anderson, MDPortland, OR1225614688
- John Antolik, MDOregon City, OR1417927351
- Stephen Archer, M.D.Bend, OR1699750307
- Benjamin Arndt, RNFASalem, OR1871156588
Common questions
What is Tamar Virtelle Lan Walker, MD, MBA's NPI number?
Tamar Virtelle Lan Walker, MD, MBA's National Provider Identifier (NPI) is 1205396397, issued on Mar 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Tamar Virtelle Lan Walker, MD, MBA located?
The NPPES record lists a practice address at 3303 S Bond Ave, Portland, OR, 97239. Phone: (503) 494-4373. Providers update this record themselves, so call before visiting.
How can I verify Tamar Virtelle Lan Walker, MD, MBA's license?
NPPES lists Oregon license number MD219471, 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 Tamar Virtelle Lan Walker, MD, MBA prescribe under Medicare Part D?
In 2024, Tamar Virtelle Lan Walker, MD, MBA had 11 Medicare Part D claims; the average among surgery physician prescribers was 147. 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.