GRETHE JUNE MORTENSON CRNP
NPI 1205183415
Nurse Practitioner - Neonatal in Klamath Falls, OR

Active since August 07, 2012PECOS EnrolledAccepts Medicare Assignment
2074 S 6TH ST, KLAMATH FALLS, OR 97601(541) 841-8110(541) 885-5512 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 8, 2025, Jul 29, 2024, Jul 11, 2024 and 6 more (9 updates tracked since 2019).

About Grethe June Mortenson Crnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRETHE JUNE MORTENSON CRNP (NPI 1205183415) is an individual neonatal provider in Klamath Falls, Oregon, licensed in Pennsylvania (SP029056) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1205183415
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameGRETHE JUNE MORTENSONCredential: CRNP
Location Address2074 S 6TH STKlamath Falls, OR 97601
Mailing Address2074 S 6th StKlamath Falls, OR 97601-3372 · (541) 841-8110 · Fax (541) 885-5512
Fax(541) 885-5512
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateAugust 7, 2012
Last NPPES UpdateAugust 8, 20259 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
NPI 1205183415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
Licenses Licensed in PA · SP029056 Licensed in MN · 1916 Licensed in OR · 10015210 Licensed in AZ · 281915
Also ListedNurse PractitionerTaxonomy 363L00000X · License 8585 (WI), SP029043 (PA), 10015210 (OR)
Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 1916 (MN)
2074 S 6TH ST, Klamath Falls, OR 97601

Other Names 1

Former Name (1)Grethe June M Jennings Cnp

Other Identifiers 2

Medicaid500827451OR
Medicaid1205183415WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Grethe June Mortenson Crnp 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.

PECOS PAC ID7315196920
PECOS Enrollment IDI20120925000524, I20220720002975, I20230919002328
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician 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.

New Patient
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Physician Assistant
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Dentist
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Licensed Practical Nurse
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Nurse Practitioner (Primary Care)
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Registered Nurse
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Pharmacist
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Case Manager/Care Coordinator
2074 S 6TH ST
KLAMATH FALLS, OR 97601
Dentist
2074 S 6TH ST
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 Grethe Mortenson's NPI number?

The NPI number for Grethe Mortenson is 1205183415. It was assigned to this individual provider in the NPPES registry on August 7, 2012. The provider is also known as Grethe June M Jennings Cnp.

Where is Grethe Mortenson located?

Grethe Mortenson practices at 2074 S 6th St, Klamath Falls, OR 97601. The listed phone number is (541) 841-8110.

What is Grethe Mortenson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

Is Grethe Mortenson enrolled in Medicare?

Yes. Grethe Mortenson 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.

What insurance does Grethe Mortenson accept?

Health plans from AmeriHealth Caritas Next, Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Nebraska, BlueCross BlueShield of South Carolina and Medica and 2 other insurers list Grethe Mortenson 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 Grethe Mortenson was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.