CASEY SLATTERY MD
NPI 1356905277
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Orange, CA
About Casey Slattery Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY SLATTERY MD (NPI 1356905277) is an individual orthopaedic surgery of the spine provider in Orange, California, licensed in California (A194467) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Irvine, and is a graduate of University Of Washington School Of Medicine (2019).
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
Casey Slattery 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 Reassignment
Medicare enrollment records show Casey Slattery 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
- 44 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 11
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 Casey Slattery's NPI number?
The NPI number for Casey Slattery is 1356905277. It was assigned to this individual provider in the NPPES registry on April 25, 2019.
Where is Casey Slattery located?
Casey Slattery practices at 363 S Main St Ste 220, Orange, CA 92868. The listed phone number is (714) 634-4567.
What is Casey Slattery's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.
Is Casey Slattery enrolled in Medicare?
Yes. Casey Slattery 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 organization bills Medicare for Casey Slattery's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Slattery reassigns Medicare benefits to Orthopaedic Specialty Institute Medical Group Of Orange County (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 Casey Slattery'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 Casey Slattery was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.
# Casey Slattery, MD · NPI 1356905277
Orthopaedic Surgery of the Spine physician in Orange, California. Individual provider, active in the CMS NPPES registry since April 25, 2019.
## Identity
- **NPI:** 1356905277 (Entity type: Individual)
- **Enumerated:** April 25, 2019
- **Primary specialty:** Orthopaedic Surgery - Orthopaedic Surgery of the Spine · taxonomy 207XS0117X
- **State license:** A194467 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 363 S MAIN ST STE 220, Orange, CA 92868-3816
- **Phone:** (714) 634-4567 · **Fax:** (714) 409-9082
## 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:** Orthopaedic Specialty Institute Medical Group Of Orange County (NPI 1336228832, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** October 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1356905277) · Data from the CMS NPPES public registry.