SEAN O'DWYER
NPI 1386008043
Counselor - Mental Health in Long Beach, CA
About Sean O'dwyer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN O'DWYER (NPI 1386008043) is an individual mental health provider in Long Beach, California and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
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
Sean O'dwyer 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 Sean O'dwyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95054
- Reassigned Medicare billing, California enrollment
- 1,607 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.
LONG BEACH, CA 90805
LONG BEACH, CA 90805
LONG BEACH, CA 90805
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 Sean O'dwyer's NPI number?
The NPI number for Sean O'dwyer is 1386008043. It was assigned to this individual provider in the NPPES registry on April 8, 2016.
Where is Sean O'dwyer located?
Sean O'dwyer practices at 161 W Victoria St, Long Beach, CA 90805. The listed phone number is (323) 242-5000.
What is Sean O'dwyer's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Sean O'dwyer enrolled in Medicare?
Yes. Sean O'dwyer 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 Sean O'dwyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean O'dwyer reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, 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 Sean O'dwyer'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 Sean O'dwyer was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Sean O'dwyer · NPI 1386008043
Mental Health provider in Long Beach, California. Individual provider, active in the CMS NPPES registry since April 8, 2016.
## Identity
- **NPI:** 1386008043 (Entity type: Individual)
- **Enumerated:** April 8, 2016
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** No
## Practice location
- **Address:** 161 W VICTORIA ST, Long Beach, CA 90805-2175
- **Phone:** (323) 242-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Sud Specialty Group - Ca (NPI 1972138238, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1386008043) · Data from the CMS NPPES public registry.