Individual provider Active NPI

Stephen A De Santis, MD

  • Surgery Physician
  • Madera, CA
National Provider Identifier
1366442584
Registry record updated Feb 25, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
G40996A Issued in CA
Practice address
1280 E. Almond Avenue
Madera, CA 93637-5606
Phone
(559) 673-9021
Fax
(559) 673-0479
NPI assigned
Jul 29, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 25, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X G40996A CA Primary

Addresses

Primary practice location

1280 E. Almond Avenue
Madera, CA 93637-5606

Mailing address

1280 E. Almond Avenue
Madera, CA 93637-5606
Phone (559) 673-9021

Other identifiers 1

IdentifierTypeStateIssuer
WG40996AOtherCAPIN

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
I20100916001122 CA Practitioner - General Surgery 9234254020 Reassigns benefits to 4 organizations
Practice locations: Oakhurst, CA

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of California, Geffen School of Medicine, 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Paul J Wisniewski DO IncGroup PAC ID 5092240606, 19 clinicians

Practice addresses (Care Compare)

18523 Corwin Rd
Suite a
Apple Valley, CA 92307-2300
Phone (407) 335-6950

Hospital & facility affiliations

  • Mercy Medical Center Hospital, Merced, CA, CCN 050444

Merit-based Incentive Payment System (MIPS)

Final score
84.78 of 100Reported as group
Quality
81.74
Promoting interoperability
97
Improvement activities
40
Cost
67.27

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G40996ACAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Paul J Wisniewski DO Inc Surgery CurrentSince Nov 24, 2025 Accepting new patients
Sonora Community Hospital CurrentSince Aug 1, 2024 Accepting new patients
Sonora Community Hospital Current Accepting new patients
Adventist Health Physicians Network CurrentSince Jul 1, 2025 Accepting new patients
Sonora Community Hospital Current Accepting new patients
Sonora Community Hospital CurrentSince Aug 1, 2024 Accepting new patients
Sonora Community Hospital Surgery CurrentSince Sep 14, 2024 Accepting new patients
Adventist Health Physicians Network CurrentSince Jul 1, 2025 Accepting new patients
Adventist Health Physicians Network Current Accepting new patients
Adventist Health Physicians Network Past Accepting new patients
Mission Hospital Regional Medical Center Past Accepting new patients
Sonora Community Hospital Past Accepting new patients
Adventist Health Heart Institute-Ukiah Past Accepting new patients

Locations

18523 Corwin Rd
Ste A
Apple Valley, CA 92307
Phone (760) 946-3876

193 Fairview Ln
Sonora, CA 95370
Phone (209) 536-5100

193 Fairview Ln
Ste C
Sonora, CA 95370
Phone (209) 532-3124

680 Guzzi Ln
Ste 201
Sonora, CA 95370
Phone (209) 536-1785

680 Guzzi Ln
Ste 106
Sonora, CA 95370
Phone (209) 532-2792

780 Delnero Dr
Sonora, CA 95370
Phone (209) 533-2468

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 1

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": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1645747200000",
    "number": "1366442584",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1280 E. ALMOND AVENUE",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936375606",
            "telephone_number": "559-673-9021",
            "fax_number": "559-673-0479"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1280 E. ALMOND AVENUE",
            "city": "MADERA",
            "state": "CA",
            "postal_code": "936375606",
            "telephone_number": "559-673-9021",
            "fax_number": "559-673-0479"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE SANTIS",
        "first_name": "STEPHEN",
        "middle_name": "A",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-29",
        "last_updated": "2022-02-25",
        "certification_date": "2022-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "G40996A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PIN",
            "identifier": "WG40996A",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Madera, CA

Sources for this page

Verify at the official NPI Registry.