JOHANNAH MARIE GREGG FNP-C
NPI 1790456895
Nurse Practitioner - Family in Mill City, OR
About Johannah Marie Gregg Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHANNAH MARIE GREGG FNP-C (NPI 1790456895) is an individual family provider in Mill City, Oregon, licensed in Oregon (202110588NP-PP) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, is affiliated with Mid-columbia Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Johannah Marie Gregg Fnp-c 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 Reassignment
Medicare enrollment records show Johannah Gregg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Goldendale, WA 98620
- Reassigned Medicare billing, Washington enrollment
- 53 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mid-Columbia Medical Center
Acute Care Hospitals · The Dalles, ORKlickitat Valley Hospital
Critical Access Hospitals · Goldendale, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97360 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
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 Johannah Gregg's NPI number?
The NPI number for Johannah Gregg is 1790456895. It was assigned to this individual provider in the NPPES registry on September 28, 2021.
Where is Johannah Gregg located?
Johannah Gregg practices at 280 S 1st Ave, Mill City, OR 97360. The listed phone number is (503) 897-4100.
What is Johannah Gregg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Johannah Gregg enrolled in Medicare?
Yes. Johannah Gregg 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 organization bills Medicare for Johannah Gregg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Johannah Gregg reassigns Medicare benefits to Klickitat County Public Hospital District No 1 (Goldendale, WA). The 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 Johannah Gregg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Johannah Gregg accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Johannah Gregg 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 Johannah Gregg affiliated with any hospitals?
According to CMS data, Johannah Gregg is affiliated with Mid-Columbia Medical Center and Klickitat Valley Hospital.
When was this NPI record last updated?
The NPPES record for Johannah Gregg was last updated on October 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Johannah Marie Gregg, FNP-C · NPI 1790456895
Family physician in Mill City, Oregon. Individual provider, active in the CMS NPPES registry since September 28, 2021.
## Identity
- **NPI:** 1790456895 (Entity type: Individual)
- **Enumerated:** September 28, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 202110588NP-PP (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 280 S 1ST AVE, Mill City, OR 97360-2324
- **Phone:** (503) 897-4100 · **Fax:** (503) 897-2673
## 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:** Klickitat County Public Hospital District No 1 (NPI 1780754507, Goldendale, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 26, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1790456895) · Data from the CMS NPPES public registry.