MICHAEL LOPEZ CRNA
NPI 1124432976
Nurse Anesthetist, Certified Registered in Portland, OR
About Michael Lopez Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL LOPEZ CRNA (NPI 1124432976) is an individual nurse anesthetist, certified registered in Portland, Oregon, licensed in Oregon (201403004CRNA) and active in the NPI registry since June 2014. He is affiliated with Providence Newberg Medical Center and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
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
Michael Lopez Crna 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
3Medicare enrollment records show Michael Lopez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukie, OR 97222
- Reassigned Medicare billing, Oregon enrollment
- 183 clinicians in this Medicare group
Newberg, OR 97132
- Reassigned Medicare billing, Oregon enrollment
- 51 clinicians in this Medicare group
Mcminnville, OR 97128
- Reassigned Medicare billing, Oregon enrollment
- 76 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.
Providence Newberg Medical Center
Acute Care Hospitals · Newberg, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97210 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.
PORTLAND, OR 97210
PORTLAND, OR 97210
PORTLAND, OR 97210
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 Michael Lopez's NPI number?
The NPI number for Michael Lopez is 1124432976. It was assigned to this individual provider in the NPPES registry on June 19, 2014.
Where is Michael Lopez located?
Michael Lopez practices at 1015 NW 22nd Ave, Portland, OR 97210. The listed phone number is (503) 413-7711.
What is Michael Lopez's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Michael Lopez enrolled in Medicare?
Yes. Michael Lopez 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 Michael Lopez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lopez reassigns Medicare benefits to 3 organizations: Anesthesia Associates Northwest LLC (Milwaukie, OR), Premier Anesthesia Of Oregon PC (Newberg, OR) and Willamette Valley Clinics LLC (Mcminnville, 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 Michael Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Lopez affiliated with any hospitals?
According to CMS data, Michael Lopez is affiliated with Providence Newberg Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Lopez was last updated on June 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Michael Lopez, CRNA · NPI 1124432976
Nurse Anesthetist, Certified Registered physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since June 19, 2014.
## Identity
- **NPI:** 1124432976 (Entity type: Individual)
- **Enumerated:** June 19, 2014
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 201403004CRNA (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1015 NW 22ND AVE, Portland, OR 97210-3025
- **Phone:** (503) 413-7711
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Anesthesia Associates Northwest LLC (NPI 1548281751, Milwaukie, OR); Premier Anesthesia Of Oregon PC (NPI 1154010429, Newberg, OR); Willamette Valley Clinics LLC (NPI 1942063730, Mcminnville, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 19, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1124432976) · Data from the CMS NPPES public registry.