NPIMap

Organization Active NPI

Associated Surgeons of San Luis Obispo

  • Surgery Physician
  • Pismo Beach, CA
National Provider Identifier
1437147485
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
Legal business name
ASSOCIATED SURGEONS OF SAN LUIS OBISPO
Practice address
921 Oak Park Blvd Ste 201
Pismo Beach, CA 93449-3400
Phone
(805) 546-0411
Fax
(805) 473-4891
NPI assigned
Oct 12, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Mr. Edwin Sueyo Hayashi, MD FACSNPI 1295797397
Title
General Partner
Phone
(805) 546-0411

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 208600000X Primary

Addresses

Primary practice location

921 Oak Park Blvd Ste 201
Pismo Beach, CA 93449-3400

Mailing address

921 Oak Park Blvd Ste 201
Pismo Beach, CA 93449-3400
Phone (805) 546-0411

Other practice location 1

77 Casa St Ste 103
San Luis Obispo, CA 93405-5899
Phone (805) 546-0411

Other identifiers 2

IdentifierTypeStateIssuer
GR0044721MedicaidCA
GR0044720MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050216000929 CA Part B Supplier - Clinic/Group Practice 7810949989 Receives reassigned benefits from 14 practitioners
Practice locations: Pismo Beach, CA; San Luis Obispo, CA; Templeton, CA

National Provider Directory

National Provider Directory
Tax ID family
Associated Surgeons of3 organizations share this tax ID, including this one

Other organizations with this tax ID 2

Organizations that report the same tax identification number in the National Provider Directory.

Locations

220 S Palisade Dr
Santa Maria, CA 93454
Phone (805) 522-6991

292 Posada Ln
Ste C
Templeton, CA 93465
Phone (805) 434-2253

292 Posada Ln
Templeton, CA 93465
Phone (805) 239-1622

Networks

  • BSC 65 PLUS INDIVIDUAL MAPDPlans: Blue Shield 65 Plus (HMO) (H0504-015-000, H0504); Blue Shield 65 Plus (HMO) (H0504-039-000, H0504); Blue Shield 65 Plus Plan 2 (HMO) (H0504-021-000, H0504); Blue Shield Inspire (HMO) (H0504-041-000, H0504); Blue Shield 65 Plus (HMO) (H0504-038-000, H0504); Blue Shield Inspire (HMO) (H0504-047-000, H0504); Blue Shield 65 Plus (HMO) (H0504-026-000, H0504); Blue Shield Advantage (HMO) (H0504-050-000, H0504); Blue Shield AdvantageOptimum Plan (HMO) (H5928-004-000, H5928); Blue Shield Inspire (HMO) (H0504-043-000, H0504)…

Interoperability endpoints

  • FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.441.1294

Ownership & related parties

Subparts reporting this organization as parent 2

Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.

Practitioners & affiliated clinicians

Practitioners 15

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 15

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1129075200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780444800000",
    "number": "1437147485",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "921 OAK PARK BLVD STE 201",
            "city": "PISMO BEACH",
            "state": "CA",
            "postal_code": "934493400",
            "telephone_number": "805-546-0411",
            "fax_number": "805-473-4891"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "921 OAK PARK BLVD STE 201",
            "city": "PISMO BEACH",
            "state": "CA",
            "postal_code": "934493400",
            "telephone_number": "805-546-0411",
            "fax_number": "805-473-4891"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "77 Casa St Ste 103",
            "address_purpose": "LOCATION",
            "city": "San Luis Obispo",
            "state": "CA",
            "postal_code": "934055899",
            "country_code": "US",
            "telephone_number": "805-546-0411",
            "fax_number": "805-473-4891",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "ASSOCIATED SURGEONS OF SAN LUIS OBISPO",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-10-12",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A",
        "authorized_official_last_name": "HAYASHI",
        "authorized_official_first_name": "EDWIN",
        "authorized_official_middle_name": "SUEYO",
        "authorized_official_title_or_position": "GENERAL PARTNER",
        "authorized_official_telephone_number": "805-546-0411",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "MD FACS"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0044721",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0044720",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Pismo Beach, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.