DR. DAWN MARIE LARSON M.D.
NPI 1710130976
Anesthesiology in Portland, OR
About Dr. Dawn Marie Larson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAWN MARIE LARSON M.D. (NPI 1710130976) is an individual anesthesiology provider in Portland, Oregon, licensed in Oregon (MD28717) and active in the NPI registry since October 2008. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Indiana University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Dawn Marie Larson M.d. 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
3Medicare enrollment records show Dawn Larson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 419 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 279 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, OROther 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 Dawn Larson's NPI number?
The NPI number for Dawn Larson is 1710130976. It was assigned to this individual provider in the NPPES registry on October 30, 2008.
Where is Dawn Larson located?
Dawn Larson practices at 707 SW Washington St Suite 700, Portland, OR 97205. The listed phone number is (503) 299-9906.
What is Dawn Larson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Dawn Larson enrolled in Medicare?
Yes. Dawn Larson 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 Dawn Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dawn Larson reassigns Medicare benefits to 3 organizations: Legacy Clinics LLC (Portland, OR), Hospitalist Medicine Physicians Of Washington - Tcs (Portland, OR) and University Anesthesiology Associates, LLC (Portland, OR). 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 Dawn Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Dawn Larson affiliated with any hospitals?
According to CMS data, Dawn Larson is affiliated with Providence St Vincent Medical Center.
When was this NPI record last updated?
The NPPES record for Dawn Larson was last updated on October 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Dr. Dawn Marie Larson, M.D. · NPI 1710130976
Anesthesiology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since October 30, 2008.
## Identity
- **NPI:** 1710130976 (Entity type: Individual)
- **Enumerated:** October 30, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD28717 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 707 SW WASHINGTON ST, SUITE 700, Portland, OR 97205-3536
- **Phone:** (503) 299-9906 · **Fax:** (503) 225-9002
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Legacy Clinics LLC (NPI 1902827272, Portland, OR); Hospitalist Medicine Physicians Of Washington - Tcs (NPI 1649816380, Portland, OR); University Anesthesiology Associates, LLC (NPI 1841217817, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** October 17, 2018
- **Other identifiers:** Medicaid 500634272 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1710130976) · Data from the CMS NPPES public registry.