Individual provider Active NPI

Aboubakr Hasan Mohammed Hasan, MD, MS

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Palo Alto, CA
National Provider Identifier
1386507630
Registry record updated Dec 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
SP923 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(650) 497-8000
NPI assigned
Dec 4, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X SP923 CA Primary

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Other practice location 1

870 Quarry Road, Falk Cardiovascular research Building
Cardiothoracic surgery department (Eunice Lin)
Palo Alto, CA 94304
Phone (650) 497-3816

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251217004493 CA Practitioner - Thoracic Surgery 9931694999 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Thoracic Surgery
Education
Other, 2006
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

500 Pasteur Dr
FL 3
Palo Alto, CA 94304-1048

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
SP923CAMDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
LPCH Medical Group Div of Lucile CurrentSince Dec 5, 2025 Accepting new patients
Stanford Health Care CurrentSince Dec 5, 2025 Accepting new patients
Stanford Health Care Thoracic Surgery (Cardiothoracic Vascular Surgery) CurrentSince Dec 5, 2025 Accepting new patients

Locations

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1764806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1386507630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "870 Quarry Road, Falk Cardiovascular research Building",
            "address_2": "Cardiothoracic surgery department (Eunice Lin)",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "94304",
            "country_code": "US",
            "telephone_number": "650-497-3816",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HASAN",
        "first_name": "ABOUBAKR",
        "middle_name": "HASAN MOHAMMED",
        "credential": "MD, MS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-12-04",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "CA",
            "license": "SP923",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.