MS. ELLEN ELIZABETH LAIRSON ANP
NPI 1700994225
Nurse Practitioner - Adult Health in Portland, OR
About Ms. Ellen Elizabeth Lairson Anp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ELLEN ELIZABETH LAIRSON ANP (NPI 1700994225) is an individual adult health provider in Portland, Oregon, licensed in Oregon (200450154NP) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Ellen Elizabeth Lairson Anp 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 Ellen Lairson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 1,501 clinicians in this Medicare group
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 676 clinicians in this Medicare group
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 753 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 Portland Medical Center
Acute Care Hospitals · Portland, ORPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Ellen Lairson's NPI number?
The NPI number for Ellen Lairson is 1700994225. It was assigned to this individual provider in the NPPES registry on August 25, 2006.
Where is Ellen Lairson located?
Ellen Lairson practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-4200.
What is Ellen Lairson's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Ellen Lairson enrolled in Medicare?
Yes. Ellen Lairson 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 Ellen Lairson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Lairson reassigns Medicare benefits to 3 organizations: Providence Health & Services - Oregon (Portland, OR), Providence Health & Services - Oregon (Portland, OR) and Providence Health & Services - Oregon (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 Ellen Lairson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ellen Lairson accept?
Health plans from Providence Health Plan list Ellen Lairson 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.
Is Ellen Lairson affiliated with any hospitals?
According to CMS data, Ellen Lairson is affiliated with Providence Portland Medical Center.
When was this NPI record last updated?
The NPPES record for Ellen Lairson was last updated on March 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ms. Ellen Elizabeth Lairson, ANP · NPI 1700994225
Adult Health physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 25, 2006.
## Identity
- **NPI:** 1700994225 (Entity type: Individual)
- **Enumerated:** August 25, 2006
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 200450154NP (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-4200 · **Fax:** (503) 494-4473
## 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): Providence Health & Services - Oregon (NPI 1235479643, Portland, OR); Providence Health & Services - Oregon (NPI 1003991845, Portland, OR); Providence Health & Services - Oregon (NPI 1114015971, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** March 19, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1700994225) · Data from the CMS NPPES public registry.