Nicholas Gonsalves, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

A163255 Issued in CA

Practice address

365 Hawthorne Ave Ste 101
Oakland, CA 94609-3115

Phone

(510) 465-5523

NPI assigned

Apr 28, 2017

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

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, shared by 16 NPIs, 3,783 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ngonsalves744118@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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• Bay Area Surgical Specialists Inc a Medical Corporation

  • Magnetic Resonance Imaging (MRI) Clinic/Center
  • Walnut Creek, CA
  • NPI 1023501905
  NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD (past)
• Bass Medical Group

  • Pain Medicine Physician
  • Visalia, CA
  • NPI 1326409343
  NPD (past)

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

• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1295181477
  Care Compare affiliation

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

{
    "created_epoch": "1493337600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1124553987",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "365 HAWTHORNE AVE STE 101",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093115",
            "telephone_number": "510-465-5523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "365 HAWTHORNE AVE STE 101",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093115",
            "telephone_number": "510-465-5523"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "27206 Calaroga Ave Ste 206",
            "address_purpose": "LOCATION",
            "city": "Hayward",
            "state": "CA",
            "postal_code": "945454300",
            "country_code": "US",
            "telephone_number": "510-732-5731",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4445 Magnolia Ave",
            "address_purpose": "LOCATION",
            "city": "Riverside",
            "state": "CA",
            "postal_code": "925014135",
            "country_code": "US",
            "telephone_number": "951-788-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GONSALVES",
        "first_name": "NICHOLAS",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-28",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A163255",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maggie S Gong, PHARM D
• Michael Gong
• Xiu Ting Gong
• Brian Gonsalez
• Martina Gonsalves, RN
• Jesse Gonzaga, NP
• Candia M Gonzales-Blackburn
• Bianca Lisbeth Gonzales
• Dreama Lynnae Gonzales
• Jaelyn Monique Gonzales

• Surgery Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.
• 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.