DR. PATRICK GRIMSLEY M.D.
NPI 1669416723
Emergency Medicine in The Dalles, OR
About Dr. Patrick Grimsley M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICK GRIMSLEY M.D. (NPI 1669416723) is an individual emergency medicine provider in The Dalles, Oregon, licensed in Oregon (DO24063) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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
Dr. Patrick Grimsley M.d. 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
4Medicare enrollment records show Patrick Grimsley reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
The Dalles, OR 97058
- Reassigned Medicare billing, Oregon enrollment
- 195 clinicians in this Medicare group
The Dalles, OR 97058
- Reassigned Medicare billing, Oregon enrollment
- 30 clinicians in this Medicare group
Lake Oswego, OR 97035
- Reassigned Medicare billing, Oregon enrollment
- 12 clinicians in this Medicare group
Tigard, OR 97223
- Reassigned Medicare billing, Oregon enrollment
- 87 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97058 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THE DALLES, OR 97058
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 Patrick Grimsley's NPI number?
The NPI number for Patrick Grimsley is 1669416723. It was assigned to this individual provider in the NPPES registry on June 16, 2006.
Where is Patrick Grimsley located?
Patrick Grimsley practices at 1700 E 19th St, The Dalles, OR 97058. The listed phone number is (541) 296-1111.
What is Patrick Grimsley's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Patrick Grimsley enrolled in Medicare?
Yes. Patrick Grimsley 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 Patrick Grimsley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Grimsley reassigns Medicare benefits to 4 organizations: Mid-Columbia Medical Center (The Dalles, OR), Clear Choice Dermatology (The Dalles, OR), Zoomcare Urgent Care LLC (Lake Oswego, OR) and Peacehealth Networks On Demand, LLC (Tigard, 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 Patrick Grimsley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Grimsley accept?
Health plans from Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Patrick Grimsley 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 Patrick Grimsley was last updated on November 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Patrick Grimsley, M.D. · NPI 1669416723
Emergency Medicine physician in The Dalles, Oregon. Individual provider, active in the CMS NPPES registry since June 16, 2006.
## Identity
- **NPI:** 1669416723 (Entity type: Individual)
- **Enumerated:** June 16, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** DO24063 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 E 19TH ST, The Dalles, OR 97058-3317
- **Phone:** (541) 296-1111
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mid-Columbia Medical Center (NPI 1053409599, The Dalles, OR); Clear Choice Dermatology (NPI 1891327185, The Dalles, OR); Zoomcare Urgent Care LLC (NPI 1376225813, Lake Oswego, OR); Peacehealth Networks On Demand, LLC (NPI 1023582178, Tigard, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** November 27, 2007
- **Other identifiers:** Medicaid 226824 (OR); Other 200124; Other P00242144; and 4 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669416723) · Data from the CMS NPPES public registry.