Active NPI
Melissa Merrigan
- Family Nurse Practitioner
- Klamath Falls, OR
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 202007154NP-PP
- Practice address
- 2821 Daggett Ave Ste 100
Klamath Falls, OR 97601-1130 - Phone
- (541) 274-6733
- NPI assigned
- May 6, 2020
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 202007154NP-PP | OR | Primary |
| Family Nurse Practitioner | 363LF0000X | ARNP.AP.70085555-NP | WA |
Addresses
Primary practice location
2821 Daggett Ave Ste 100
Klamath Falls, OR 97601-1130
Mailing address
2821 Daggett Ave Ste 100
Klamath Falls, OR 97601-1130
Phone (503) 926-2279
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in OR, WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2529 NE 139TH St
Vancouver, WA 98686-2719
Phone (360) 882-2778
2821 Daggett Ave
Suite 100
Klamath Falls, OR 97601-1106
Phone (541) 274-6733
Hospital & facility affiliations
- Sky Lakes Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 202007154NP-PP | OR | MD | Family Nurse Practitioner |
| ARNP.AP.70085555-NP | WA | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sky Lakes Medical Center Inc | Current | Accepting new patients | |
| Sky Lakes Medical Center Inc | Current | Accepting new patients | |
| The Vancouver Clinic Inc PS | Current | Accepting new patients | |
| The Vancouver Clinic Inc PS | Current | Accepting new patients | |
| Sky Lakes Medical Center Inc | Past | Accepting new patients |
Locations
2821 Daggett Ave
Klamath Falls, OR 97601
Phone (541) 274-6733
2821 Daggett Ave
Ste 100
Klamath Falls, OR 97601
Phone (541) 274-4611
2865 Daggett Ave
Klamath Falls, OR 97601
Phone (541) 833-6221
2821 Daggett Ave
Ste 300
Klamath Falls, OR 97601
2821 Daggett Ave
Ste 200
Klamath Falls, OR 97601
Phone (541) 274-8400
700 NE 87th Ave
Vancouver, WA 98664
Phone (360) 397-1500
2529 NE 139th St
Vancouver, WA 98686
Phone 3608822778 ext. 67386
Organizations & group practices 6
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Acute Care Hospital
- Klamath Falls, OR
- NPI 1659340370
-
- Internal Medicine Physician
- Vancouver, WA
- NPI 1992759427
-
- Community/Retail Pharmacy
- Klamath Falls, OR
- NPI 1003654625
-
- Ambulatory Surgical Clinic/Center
- Vancouver, WA
- NPI 1306556907
-
- Eyewear Supplier
- Ridgefield, WA
- NPI 1760004477
-
- General Practice Physician
- Klamath Falls, OR
- NPI 1649446691
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Klamath Falls, OR
- NPI 1659340370
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1588723200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771545600000",
"number": "1871114306",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2821 DAGGETT AVE STE 100",
"city": "KLAMATH FALLS",
"state": "OR",
"postal_code": "976011130",
"telephone_number": "503-926-2279"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2821 DAGGETT AVE STE 100",
"city": "KLAMATH FALLS",
"state": "OR",
"postal_code": "976011130",
"telephone_number": "541-274-6733"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MERRIGAN",
"first_name": "MELISSA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-05-06",
"last_updated": "2026-02-20",
"certification_date": "2026-02-20",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "OR",
"license": "202007154NP-PP",
"primary": true
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "WA",
"license": "ARNP.AP.70085555-NP",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Klamath Falls, OR
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.