MELISSA MERRIGAN
NPI 1871114306
Nurse Practitioner - Family in Klamath Falls, OR
About Melissa Merrigan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA MERRIGAN (NPI 1871114306) is an individual family provider in Klamath Falls, Oregon, licensed in Oregon (202007154NP-PP) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Sky Lakes Medical Center, and is a graduate of Other (2021).
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
Melissa Merrigan 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 Melissa Merrigan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Klamath Falls, OR 97601
- Reassigned Medicare billing, Oregon enrollment
- 355 clinicians in this Medicare group
Vancouver, WA 98664
- Reassigned Medicare billing, Washington enrollment
- 711 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sky Lakes Medical Center
Acute Care Hospitals · Klamath Falls, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
KLAMATH FALLS, OR 97601
KLAMATH FALLS, OR 97601
KLAMATH FALLS, OR 97601
KLAMATH FALLS, OR 97601
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 Melissa Merrigan's NPI number?
The NPI number for Melissa Merrigan is 1871114306. It was assigned to this individual provider in the NPPES registry on May 6, 2020.
Where is Melissa Merrigan located?
Melissa Merrigan practices at 2821 Daggett Ave Ste 100, Klamath Falls, OR 97601. The listed phone number is (541) 274-6733.
What is Melissa Merrigan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Melissa Merrigan enrolled in Medicare?
Yes. Melissa Merrigan 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 Melissa Merrigan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Merrigan reassigns Medicare benefits to 2 organizations: Sky Lakes Medical Center Inc (Klamath Falls, OR) and The Vancouver Clinic Inc Ps (Vancouver, WA). 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 Melissa Merrigan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Merrigan accept?
Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and Regence BlueCross BlueShield of Oregon list Melissa Merrigan 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 Melissa Merrigan affiliated with any hospitals?
According to CMS data, Melissa Merrigan is affiliated with Sky Lakes Medical Center.
When was this NPI record last updated?
The NPPES record for Melissa Merrigan was last updated on February 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.