Individual provider Active NPI

Michael A Esparza, MD

  • Trauma Surgery Physician
  • Walnut Creek, CA
National Provider Identifier
1295149540
Registry record updated Sep 5, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Trauma Surgery PhysicianTaxonomy code 2086S0127X
License
A138859 Issued in CA
Practice address
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone
(925) 937-0404
NPI assigned
Jun 15, 2014
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 5, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgical Critical Care Physician 2086S0102X A138859 CA
Trauma Surgery PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 2086S0127X A138859 CA Primary

Addresses

Primary practice location

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122

Mailing address

PO Box 56
Diablo, CA 94528-0056

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
I20200317000420 CA Practitioner - General Surgery 6305137381 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 2014
Medicare assignment
May accept Medicare assignment
Group practices

Practice addresses (Care Compare)

1601 Ygnacio Vly Rd
Walnut Creek, CA 94596-0921
Phone (925) 939-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.63 of 100Reported as group
Quality
67.56
Improvement activities
40
Cost
71.56

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A138859CAMDSurgical Critical Care Physician

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Trauma Physicians Billing Service Single Specialty CurrentSince Sep 10, 2022 Accepting new patients
Children'S Hospital Los Angeles Medical Group, Inc. Single Specialty CurrentSince Jun 1, 2020 Accepting new patients
Michael a Esparza MD Inc Single Specialty CurrentSince Aug 1, 2020 Accepting new patients
John Muir Trauma Physicians Billing Service Single Specialty Current Accepting new patients

Locations

19845 Lake Chabot Rd
Ste 200
Castro Valley, CA 94546
Phone (510) 538-4500

1701 El Nido
Unit 56
Diablo, CA 94528

20103 Lake Chabot Rd
Hayward, CA 94546
Phone (510) 537-1234

4650 W Sunset Blvd
Los Angeles, CA 90027
Phone (323) 361-2122

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
Phone (925) 295-1545

Interoperability endpoints

  • Direct secure messaging: mesparza155028@ehr.johnmuirhealth.com

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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": "1402790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1725494400000",
    "number": "1295149540",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 56",
            "city": "DIABLO",
            "state": "CA",
            "postal_code": "945280056"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 YGNACIO VALLEY RD",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983122",
            "telephone_number": "925-937-0404"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ESPARZA",
        "first_name": "MICHAEL",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2014-06-15",
        "last_updated": "2024-09-05",
        "certification_date": "2024-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "CA",
            "license": "A138859",
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Surgery, Trauma Surgery",
            "state": "CA",
            "license": "A138859",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.