Barry Ellison Breaux Jr., M.D., M.B.A

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

34283 Issued in CA

Practice address

447 Sutter St Ste 5061104
San Francisco, CA 94108-4601

Phone

(510) 384-2846

Fax

(510) 570-1989

NPI assigned

Apr 20, 2013

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Opted out of Medicare

Yes, effective Mar 16, 2026 through Mar 16, 2028

Specialty

Internal Medicine

Education

Columbia University College of Physicians and Surgeons, 2013

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Business Administration, Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bbreaux406159@hisp.ehr.sutterhealth.org

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.

• Breaux Medical, PC

  • Internal Medicine Physician
  • Oakland, CA
  • NPI 1245123124
  NPD Authorized official
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927

  Internal Medicine

  NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  NPD
• Sutter Bay Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769

  Internal Medicine

  NPD (past)

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

{
    "created_epoch": "1366416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1356785356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "280 CALDECOTT LN UNIT 203",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946182416",
            "telephone_number": "510-384-2846",
            "fax_number": "510-570-1989"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "447 SUTTER ST STE 5061104",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941084601",
            "telephone_number": "510-384-2846",
            "fax_number": "510-570-1989"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BREAUX",
        "first_name": "BARRY",
        "middle_name": "ELLISON",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D., M.B.A",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-04-20",
        "last_updated": "2026-09-09",
        "certification_date": "2026-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "34283",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Toni J Brayer, MD
• Christine Ann Brazis, LPT
• Breall Group
• William S. Breall, M.D.
• Sheila Hurst Brear, BDS (DDS)
• Fred Breaux
• Pamela Eleanor Louise Brebner, M.S. CCC-SLP
• Omar J Breedlove, MSW
• Stefanie Lynnette Breedy, L.C.S.W.
• Matthew Clarence Breeggemann, M.D.

• Internal Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.