Individual provider Active NPI

Mostafa Shalaby, M.D

  • Sleep Medicine (Internal Medicine) Physician
  • Dublin, CA
National Provider Identifier
1528351210
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
License
A142426 Issued in CA
Practice address
4000 Dublin Blvd
Dublin, CA 94568-3113
Phone
(925) 875-6229
NPI assigned
May 27, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X A140426 CA
Sleep Medicine (Internal Medicine) Physician 207RS0012X A142426 CA Primary
Internal Medicine Physician 207R00000X A140426 CA

Addresses

Primary practice location

4000 Dublin Blvd
Dublin, CA 94568-3113

Mailing address

4000 Dublin Blvd
Dublin, CA 94568-3113
Phone (925) 875-6229

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
I20161018002168 CA Practitioner - Pulmonary DiseasePractitioner - Sleep MedicinePractitioner - Internal Medicine 1456670678 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Internal Medicine, Sleep Medicine
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

2220 Gladstone Dr
Suite 3
Pittsburg, CA 94565-5123
Phone (925) 432-3318

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A140426CAMDPulmonary Disease Physician
A142426CAMDSleep Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stanford Health Care Internal Medicine CurrentSince Mar 22, 2023 Accepting new patients
Stanford Health Care CurrentSince Mar 22, 2023 Accepting new patients
Pittsburg-Antioch Medical Group a Professional Corporation Internal Medicine CurrentSince Aug 1, 2016 Accepting new patients
Hill Physicians Medical Group - PPO Program Past Accepting new patients
Sutter Delta Medical Center Past Accepting new patients
Alta Bates Summit Medical Center Past Accepting new patients
The Good Samaritan Hospital of Cincinnati, Ohio Past Accepting new patients
John Muir Health Past Accepting new patients
The Good Samaritan Hospital of Cincinnati, Ohio Past Accepting new patients

Locations

2400 Balfour Rd
Ste 306
Brentwood, CA 94513
Phone (925) 432-3318

2220 Gladstone Dr
Ste 3
Pittsburg, CA 94565
Phone (925) 432-3318

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

Interoperability endpoints

  • Direct secure messaging: mshalaby17003@hpmg.direct-ci.net
  • Direct secure messaging: mshalaby342841@hisp.ehr.sutterhealth.org

Organizations & group practices 15

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.

View all 15

Hospital & facility affiliations 3

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": "1306454400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1528351210",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 DUBLIN BLVD",
            "city": "DUBLIN",
            "state": "CA",
            "postal_code": "945683113",
            "telephone_number": "925-875-6229"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 DUBLIN BLVD",
            "city": "DUBLIN",
            "state": "CA",
            "postal_code": "945683113",
            "telephone_number": "925-875-6229"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHALABY",
        "first_name": "MOSTAFA",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-05-27",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A140426",
            "primary": false
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "CA",
            "license": "A142426",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A140426",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dublin, CA

Sources for this page

Verify at the official NPI Registry.