DR. SCOTT WALTER PIERCE MD
NPI 1164963369
Emergency Medicine in Orange, CA
About Dr. Scott Walter Pierce Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SCOTT WALTER PIERCE MD (NPI 1164963369) is an individual emergency medicine provider in Orange, California, licensed in California (A159956) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Scott Walter Pierce Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Scott Pierce reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 219 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Scott Pierce's NPI number?
The NPI number for Scott Pierce is 1164963369. It was assigned to this individual provider in the NPPES registry on March 20, 2017.
Where is Scott Pierce located?
Scott Pierce practices at 101 The City Dr S Rte. 128-01, Orange, CA 92868. The listed phone number is (714) 456-5239.
What is Scott Pierce's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Scott Pierce enrolled in Medicare?
Yes. Scott Pierce is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Scott Pierce's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Scott Pierce reassigns Medicare benefits to Regents Of The University Of (Orange, CA). The 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 Scott Pierce'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 Scott Pierce was last updated on June 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Scott Walter Pierce, MD · NPI 1164963369
Emergency Medicine physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 20, 2017.
## Identity
- **NPI:** 1164963369 (Entity type: Individual)
- **Enumerated:** March 20, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A159956 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, RTE. 128-01, Orange, CA 92868
- **Phone:** (714) 456-5239
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Regents Of The University Of (NPI 1154379394, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1164963369) · Data from the CMS NPPES public registry.