ASSOCIATED SURGEONS OF SAN LUIS OBISPO
NPI 1437147485
Surgery in Pismo Beach, CA
About Associated Surgeons Of San Luis Obispo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ASSOCIATED SURGEONS OF SAN LUIS OBISPO (NPI 1437147485) is a healthcare organization registered as a surgery in Pismo Beach, California and active in the NPI registry since October 2005. The organization maintains a secondary practice location in San Luis Obispo and lists Edwin Sueyo Hayashi, General Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Associated Surgeons Of San Luis Obispo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to Associated Surgeons Of San Luis Obispo, which bills Medicare for the services they deliver. Of these, 7 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (14)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Associated Surgeons Of San Luis Obispo's NPI number?
The NPI number for Associated Surgeons Of San Luis Obispo is 1437147485. It was assigned to this organization in the NPPES registry on October 12, 2005.
Where is Associated Surgeons Of San Luis Obispo located?
Associated Surgeons Of San Luis Obispo is located at 921 Oak Park Blvd Ste 201, Pismo Beach, CA 93449. The listed phone number is (805) 546-0411.
What is Associated Surgeons Of San Luis Obispo's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Associated Surgeons Of San Luis Obispo enrolled in Medicare?
Yes. Associated Surgeons Of San Luis Obispo is registered in the Medicare PECOS enrollment system.
When is Associated Surgeons Of San Luis Obispo's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Associated Surgeons Of San Luis Obispo?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 2 Medicare specialties reassign their Medicare billing to Associated Surgeons Of San Luis Obispo. A 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 the clinician's services. The largest specialties are General Surgery (11) and Vascular Surgery (3). Of these, 7 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Associated Surgeons Of San Luis Obispo was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Associated Surgeons Of San Luis Obispo · NPI 1437147485
Surgery organization in Pismo Beach, California. Organization record, active in the CMS NPPES registry since October 12, 2005.
## Identity
- **NPI:** 1437147485 (Entity type: Organization)
- **Enumerated:** October 12, 2005
- **Primary specialty:** Surgery · taxonomy 208600000X
- **Organization subpart:** No
- **Authorized official:** Edwin Hayashi, GENERAL PARTNER
## Practice location
- **Address:** 921 OAK PARK BLVD STE 201, Pismo Beach, CA 93449-3400
- **Phone:** (805) 546-0411 · **Fax:** (805) 473-4891
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 14 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: General Surgery (11), Vascular Surgery (3); 7 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 3, 2026
- **Other identifiers:** Medicaid GR0044721 (CA); Medicaid GR0044720 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1437147485) · Data from the CMS NPPES public registry.