DR. ANDREW ROGER WILSNACK MD
NPI 1225613854
Anesthesiology in Oceanside, CA
About Dr. Andrew Roger Wilsnack Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW ROGER WILSNACK MD (NPI 1225613854) is an individual anesthesiology provider in Oceanside, California, licensed in California (A204175) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Other (2021).
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
Dr. Andrew Roger Wilsnack 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 Andrew Wilsnack reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 420 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 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.
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.
CAMP PENDLETON, CA 92055
OCEANSIDE, CA 92055
CAMP PENDLETON, CA 92055
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 Andrew Wilsnack's NPI number?
The NPI number for Andrew Wilsnack is 1225613854. It was assigned to this individual provider in the NPPES registry on March 15, 2021.
Where is Andrew Wilsnack located?
Andrew Wilsnack practices at 200 Mercy Circle Anesthesiology And Perioperative Medicine, Oceanside, CA 92055. The listed phone number is (760) 719-3361.
What is Andrew Wilsnack's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Andrew Wilsnack enrolled in Medicare?
Yes. Andrew Wilsnack 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 Andrew Wilsnack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Wilsnack reassigns Medicare benefits to 4 organizations: Rancho Springs Anesthesia Partners, Inc (Murrieta, CA), Inland Valley Anesthesia Partners, Inc (Wildomar, CA), Regents Of The University Of (Orange, CA) and Palm Springs Anesthesia Services, PC (San Bernardino, CA). 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 Andrew Wilsnack'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 Andrew Wilsnack was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Andrew Roger Wilsnack, MD · NPI 1225613854
Anesthesiology physician in Oceanside, California. Individual provider, active in the CMS NPPES registry since March 15, 2021.
## Identity
- **NPI:** 1225613854 (Entity type: Individual)
- **Enumerated:** March 15, 2021
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A204175 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 MERCY CIRCLE, ANESTHESIOLOGY AND PERIOPERATIVE MEDICINE, Oceanside, CA 92055
- **Phone:** (760) 719-3361
## 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): Rancho Springs Anesthesia Partners, Inc (NPI 1730941634, Murrieta, CA); Inland Valley Anesthesia Partners, Inc (NPI 1053173955, Wildomar, CA); Regents Of The University Of (NPI 1487602546, Orange, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 23, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1225613854) · Data from the CMS NPPES public registry.