Emmanuel Ocham Bua

Primary specialty

Pediatric Surgery PhysicianTaxonomy code 2086S0120X

License

SPI932 Issued in CA

Practice address

1975 4TH St
San Francisco, CA 94143-2351

Phone

(415) 353-3000

NPI assigned

Dec 9, 2025

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Specialty

General Surgery

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• UCSF Dept of Surgery

  • Surgery Physician
  • San Francisco, CA
  • NPI 1477627537
  Medicare reassignment NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104

  Surgery

  Medicare reassignment NPD
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment
• UCSF Medical Group Business Services

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851

  Surgery

  NPD
• University of California San Francisco

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD

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

{
    "created_epoch": "1765238400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1871457416",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1975 4TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432351",
            "telephone_number": "415-353-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BUA",
        "first_name": "EMMANUEL OCHAM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-12-09",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "CA",
            "license": "SPI932",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "SPI932",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Starnisha Nadia Bryant
• Thomas James Bryce, MD
• Gregory Sumner Payne Brynelson, RN
• Amanda E Bryson, M.D.
• Marek Brzezinski, MD
• Desiree Bucay
• Liliana Bucay, DDS
• Robert Francis Talaue Bucayu, MPH
• Janelle Marie Dawana Buccat, OTR/L
• Olivia Mary Buch

• Pediatric Surgery Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Pediatric Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; 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.
• 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.