NPIMap

Individual provider Active NPI

Edward Diao, MD

  • Orthopaedic Surgery Physician
  • San Francisco, CA
National Provider Identifier
1427009794
Registry record updated Jan 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
G77448 Issued in CA
Practice address
450 Sutter St RM 910
San Francisco, CA 94108-3911
Phone
(415) 362-8880
Fax
(415) 362-8045
NPI assigned
May 12, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 22, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Hand Surgery Physician 207XS0106X G77448 CA
Orthopaedic Surgery Physician 207X00000X G77448 CA Primary

Addresses

Primary practice location

450 Sutter St RM 910
San Francisco, CA 94108-3911

Mailing address

450 Sutter St
Suite 500
San Francisco, CA 94108-4206
Phone (415) 362-8880

Other identifiers 1

IdentifierTypeStateIssuer
00G774480MedicaidCA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070329000690 CA Practitioner - Orthopedic SurgeryPractitioner - Hand SurgeryPractitioner - Sports Medicine 5294709952 Practice locations: San Francisco, CA

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic SurgeryAlso: Hand Surgery, Sports Medicine
Education
Columbia University College of Physicians and Surgeons, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

450 Sutter St
Suite 910
San Francisco, CA 94108-3911
Phone (415) 362-8880

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)16
Melanoma (skin cancer) excision1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G77448CAMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Edward Diao MD Inc Orthopaedic Surgery CurrentSince Jan 1, 1990 Accepting new patients
San Francisco Surgery Center, LP PastSince Jun 26, 2003 Accepting new patients
University of California San Francisco Past Accepting new patients
Sutter Bay Hospitals Past Accepting new patients
St Francis Medical Center Past Accepting new patients
East Bay Shoulder Clinic and Sports Rehabilitation, Inc Orthopaedic Surgery Past Accepting new patients
UCSF Health Community Hospitals Past Accepting new patients

Locations

450 Sutter St
Rm 500
San Francisco, CA 94108
Phone (415) 393-9600

450 Sutter St
Rm 910
San Francisco, CA 94108
Phone (415) 362-8880

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: ediao161443@hisp.ehr.sutterhealth.org

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1147392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1427009794",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 SUTTER ST",
            "address_2": "SUITE 500",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941084206",
            "telephone_number": "415-362-8880",
            "fax_number": "415-393-9633"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 SUTTER ST RM 910",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941083911",
            "telephone_number": "415-362-8880",
            "fax_number": "415-362-8045"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAO",
        "first_name": "EDWARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-12",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0106X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Hand Surgery",
            "state": "CA",
            "license": "G77448",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CA",
            "license": "G77448",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G774480",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.