Active NPI
Michael A Esparza, MD
- Trauma Surgery Physician
- Walnut Creek, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Trauma Surgery Physician
- License
- A138859
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgical Critical Care Physician | 2086S0102X | A138859 | CA | |
| Trauma Surgery Physician | 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
Enrollment records 1
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 100
- Quality
- 67.56
- Improvement activities
- 40
- Cost
- 71.56
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair (minimally invasive) | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A138859 | CA | MD | Surgical Critical Care Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| John Muir Trauma Physicians Billing Service | Single Specialty | Current | Accepting new patients |
| Children'S Hospital Los Angeles Medical Group, Inc. | Single Specialty | Current | Accepting new patients |
| Michael a Esparza MD Inc | Single Specialty | Current | 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
- 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.
-
- Hospitalist Physician
- Walnut Creek, CA
- NPI 1093864837
Single Specialty
-
- Multi-Specialty Clinic/Center
- Los Angeles, CA
- NPI 1265530653
Single Specialty
-
- Trauma Surgery Physician
- Walnut Creek, CA
- NPI 1962551861
Single Specialty
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Walnut Creek, CA
- NPI 1740215219
-
- General Acute Care Hospital
- Concord, CA
- NPI 1801821376
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 2024; 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.