SEAN GREGORY HYNES MD
NPI 1760816144
Anesthesiology in Portland, OR
About Sean Gregory Hynes Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN GREGORY HYNES MD (NPI 1760816144) is an individual anesthesiology provider in Portland, Oregon, licensed in Oregon (MD197386) and active in the NPI registry since August 2013. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Vancouver.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Sean Gregory Hynes 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 Reassignments
4Medicare enrollment records show Sean Hynes reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97213
- Reassigned Medicare billing, Oregon enrollment
- 419 clinicians in this Medicare group
Vancouver, WA 98664
- Reassigned Medicare billing, Oregon enrollment
- 108 clinicians in this Medicare group
Woodburn, OR 97071
- Reassigned Medicare billing, Oregon enrollment
- 625 clinicians in this Medicare group
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 279 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORProvidence Portland Medical Center
Acute Care Hospitals · Portland, ORMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Sean Hynes's NPI number?
The NPI number for Sean Hynes is 1760816144. It was assigned to this individual provider in the NPPES registry on August 21, 2013.
Where is Sean Hynes located?
Sean Hynes practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8220.
What is Sean Hynes's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Sean Hynes enrolled in Medicare?
Yes. Sean Hynes 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 Sean Hynes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Hynes reassigns Medicare benefits to 4 organizations: Hospitalist Medicine Physicians Of Washington - Tcs (Portland, OR), Columbia Anesthesia Group P S (Vancouver, WA), Salem Health (Woodburn, OR) and University Anesthesiology Associates, LLC (Portland, 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 Sean Hynes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Hynes affiliated with any hospitals?
According to CMS data, Sean Hynes is affiliated with Providence St Vincent Medical Center and Providence Portland Medical Center.
When was this NPI record last updated?
The NPPES record for Sean Hynes was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Sean Gregory Hynes, MD · NPI 1760816144
Anesthesiology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since August 21, 2013.
## Identity
- **NPI:** 1760816144 (Entity type: Individual)
- **Enumerated:** August 21, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD197386 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3011
- **Phone:** (503) 494-8220
## 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): Hospitalist Medicine Physicians Of Washington - Tcs (NPI 1649816380, Portland, OR); Columbia Anesthesia Group P S (NPI 1861448235, Vancouver, WA); Salem Health (NPI 1578112066, Woodburn, OR); University Anesthesiology Associates, LLC (NPI 1841217817, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** April 8, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1760816144) · Data from the CMS NPPES public registry.