TAMAR VIRTELLE LAN WALKER MD, MBA
NPI 1205396397
Surgery in Portland, OR
About Tamar Virtelle Lan Walker Md, Mba NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMAR VIRTELLE LAN WALKER MD, MBA (NPI 1205396397) is an individual surgery provider in Portland, Oregon, licensed in Oregon (MD219471) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Washington, and is a graduate of University Of Southern California Keck School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tamar Virtelle Lan Walker Md, Mba is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Tamar Walker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20037
- Reassigned Medicare billing, District of Columbia enrollment
- 1,275 clinicians in this Medicare group
Washington, DC 20032
- Reassigned Medicare billing, District of Columbia enrollment
- 158 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tamar Walker's NPI number?
The NPI number for Tamar Walker is 1205396397. It was assigned to this individual provider in the NPPES registry on March 23, 2019.
Where is Tamar Walker located?
Tamar Walker practices at 3303 S Bond Ave, Portland, OR 97239. The listed phone number is (503) 494-4373.
What is Tamar Walker's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Tamar Walker enrolled in Medicare?
Yes. Tamar Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Tamar Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tamar Walker reassigns Medicare benefits to 2 organizations: Medical Faculty Associates, Inc (Washington, DC) and Foggy Bottom Physician Group Inc. (Washington, DC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tamar Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tamar Walker accept?
Health plans from Kaiser Permanente list Tamar Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Tamar Walker was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tamar Virtelle Lan Walker, MD, MBA · NPI 1205396397
Surgery physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since March 23, 2019.
## Identity
- **NPI:** 1205396397 (Entity type: Individual)
- **Enumerated:** March 23, 2019
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD219471 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3303 S BOND AVE, Portland, OR 97239-4501
- **Phone:** (503) 494-4373
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Medical Faculty Associates, Inc (NPI 1417990581, Washington, DC); Foggy Bottom Physician Group Inc. (NPI 1831089846, Washington, DC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Southern California Keck School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** July 22, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1205396397) · Data from the CMS NPPES public registry.