DR. JOHN BRIAN LIDDY M.D.
NPI 1568564912
Anesthesiology in Springfield, OR
About Dr. John Brian Liddy M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN BRIAN LIDDY M.D. (NPI 1568564912) is an individual anesthesiology provider in Springfield, Oregon, licensed in Oregon (MD154919) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Mckenzie-willamette Medical Center, and is a graduate of University Of Vermont College Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
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. John Brian Liddy 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 John Liddy reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, OR 97477
- Reassigned Medicare billing, Oregon enrollment
- 123 clinicians in this Medicare group
Eugene, OR 97401
- Reassigned Medicare billing, Oregon enrollment
- 11 clinicians in this Medicare group
Roseburg, OR 97471
- Reassigned Medicare billing, Oregon enrollment
- 82 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 271 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mckenzie-Willamette Medical Center
Acute Care Hospitals · Springfield, 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.
SPRINGFIELD, OR 97477
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 John Liddy's NPI number?
The NPI number for John Liddy is 1568564912. It was assigned to this individual provider in the NPPES registry on September 5, 2006. The provider is also known as Pax Anesthesia.
Where is John Liddy located?
John Liddy practices at 3333 Riverbend Dr, Springfield, OR 97477. The listed phone number is (541) 222-3154.
What is John Liddy's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Liddy enrolled in Medicare?
Yes. John Liddy 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 John Liddy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Liddy reassigns Medicare benefits to 4 organizations: Northwest Anesthesia Physicians PC (Springfield, OR), Pacific Surgery Center LLC (Eugene, OR), Cep America - Anesthesia PC (Roseburg, OR) and Oregon Anesthesiology Group PC (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 John Liddy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Liddy accept?
Health plans from Taro Health list John Liddy 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 John Liddy affiliated with any hospitals?
According to CMS data, John Liddy is affiliated with Mckenzie-Willamette Medical Center.
When was this NPI record last updated?
The NPPES record for John Liddy was last updated on November 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. John Brian Liddy, M.D. · NPI 1568564912
Anesthesiology physician in Springfield, Oregon. Individual provider, active in the CMS NPPES registry since September 5, 2006.
## Identity
- **NPI:** 1568564912 (Entity type: Individual)
- **Enumerated:** September 5, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD154919 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3333 RIVERBEND DR, Springfield, OR 97477-8800
- **Phone:** (541) 222-3154 · **Fax:** (503) 225-9002
## 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): Northwest Anesthesia Physicians PC (NPI 1770531196, Springfield, OR); Pacific Surgery Center LLC (NPI 1225042575, Eugene, OR); Cep America - Anesthesia PC (NPI 1235842196, Roseburg, OR); Oregon Anesthesiology Group PC (NPI 1477527786, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 1996
## Record status
- **NPPES last updated:** November 5, 2020
- **Other identifiers:** Medicaid 500637179 (OR)
---
Source: [NPI Profile](https://npiprofile.com/npi/1568564912) · Data from the CMS NPPES public registry.