GRETCHEN E BLAIR MD
NPI 1750364451
Internal Medicine in The Dalles, OR
About Gretchen E Blair Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETCHEN E BLAIR MD (NPI 1750364451) is an individual internal medicine provider in The Dalles, Oregon, licensed in Oregon (MD22032) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Mid-columbia Medical Center, and is a graduate of University Of Washington School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
Gretchen E Blair Md 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 Gretchen Blair reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
The Dalles, OR 97058
- Reassigned Medicare billing, Oregon enrollment
- 195 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 10
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.
Mid-Columbia Medical Center
Acute Care Hospitals · The Dalles, ORPhysician 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 Gretchen Blair's NPI number?
The NPI number for Gretchen Blair is 1750364451. It was assigned to this individual provider in the NPPES registry on November 28, 2005.
Where is Gretchen Blair located?
Gretchen Blair practices at 1700 E 19th St, The Dalles, OR 97058. The listed phone number is (541) 296-1111.
What is Gretchen Blair's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Gretchen Blair enrolled in Medicare?
Yes. Gretchen Blair 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 Gretchen Blair's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Blair reassigns Medicare benefits to Mid-Columbia Medical Center (The Dalles, OR). 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 Gretchen Blair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Gretchen Blair affiliated with any hospitals?
According to CMS data, Gretchen Blair is affiliated with Mid-Columbia Medical Center.
When was this NPI record last updated?
The NPPES record for Gretchen Blair was last updated on December 9, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Gretchen E Blair, MD · NPI 1750364451
Internal Medicine physician in The Dalles, Oregon. Individual provider, active in the CMS NPPES registry since November 28, 2005.
## Identity
- **NPI:** 1750364451 (Entity type: Individual)
- **Enumerated:** November 28, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD22032 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 E 19TH ST, The Dalles, OR 97058-3317
- **Phone:** (541) 296-1111 · **Fax:** (541) 269-7601
## 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:** Mid-Columbia Medical Center (NPI 1053409599, The Dalles, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** December 9, 2009
- **Other identifiers:** Medicaid 218105 (OR); Medicare OSCAR/certification 383993; Medicare PIN 107443 (OR); and 3 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1750364451) · Data from the CMS NPPES public registry.