DR. SONIA SHISHIDO DO
NPI 1508092107
Anesthesiology in The Dalles, OR
About Dr. Sonia Shishido Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SONIA SHISHIDO DO (NPI 1508092107) is an individual anesthesiology provider in The Dalles, Oregon, licensed in Oregon (DO161659) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2009).
NPPES Registry Identity
Specialties & Licenses 2
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. Sonia Shishido Do 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
5Medicare enrollment records show Sonia Shishido reassigns Medicare billing to 5 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
- 14 clinicians in this Medicare group
Welches, OR 97067
- Reassigned Medicare billing, Oregon enrollment
- Also billed through NPI 1699146159 (Oregon)
- 206 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Washington enrollment
- 180 clinicians in this Medicare group
Bend, OR 97701
- Reassigned Medicare billing, Oregon enrollment
- 82 clinicians in this Medicare group
Dallas, OR 97338
- Reassigned Medicare billing, Oregon enrollment
- 254 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.
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 Sonia Shishido's NPI number?
The NPI number for Sonia Shishido is 1508092107. It was assigned to this individual provider in the NPPES registry on June 9, 2009.
Where is Sonia Shishido located?
Sonia Shishido practices at Mid Columbia Medical Center, Operating Rooms 1700 East 19th Street, The Dalles, OR 97058. The listed phone number is (541) 296-1111.
What is Sonia Shishido's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sonia Shishido enrolled in Medicare?
Yes. Sonia Shishido 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 Sonia Shishido's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Shishido reassigns Medicare benefits to 5 organizations: Oxford Anesthesia Management, LLC (The Dalles, OR), Northwest Medical Foundation Of Tillamook (Welches, OR), Oregon Anesthesiology Group PC (Portland, OR), Bend Anesthesiology Group, PC (Bend, OR) and Salem Health West Valley (Dallas, 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 Sonia Shishido's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sonia Shishido was last updated on December 15, 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.
# Dr. Sonia Shishido, DO · NPI 1508092107
Anesthesiology physician in The Dalles, Oregon. Individual provider, active in the CMS NPPES registry since June 9, 2009.
## Identity
- **NPI:** 1508092107 (Entity type: Individual)
- **Enumerated:** June 9, 2009
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** DO161659 (Oregon)
- **Sole proprietor:** Yes
## Practice location
- **Address:** MID COLUMBIA MEDICAL CENTER, OPERATING ROOMS, 1700 EAST 19TH STREET, The Dalles, OR 97058-9705
- **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:** 5 organizations under Medicare reassignment (form CMS-855R): Oxford Anesthesia Management, LLC (NPI 1669077707, The Dalles, OR); Northwest Medical Foundation Of Tillamook (NPI 1861944894, Welches, OR); Oregon Anesthesiology Group PC (NPI 1477527786, Portland, OR); Bend Anesthesiology Group, PC (NPI 1467400200, Bend, OR); Salem Health West Valley (NPI 1245237486, Dallas, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2009
## Record status
- **NPPES last updated:** December 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1508092107) · Data from the CMS NPPES public registry.