Individual provider Active NPI

Steve James Zielinski, D.O.

  • Emergency Medicine Physician
  • Lakewood, CA
National Provider Identifier
1063544849
Registry record updated Dec 2, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
20A9186 Issued in CA
Practice address
3700 South St
Lakewood, CA 90712-1419
Phone
(562) 602-6800
NPI assigned
Mar 9, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 2, 2013

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 20A9186 CA Primary

Addresses

Primary practice location

3700 South St
Lakewood, CA 90712-1419

Mailing address

3700 South St
Lakewood, CA 90712-1419
Phone (562) 602-6800

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, TX2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20071128000544 CA Practitioner - Emergency Medicine 0345339347 Reassigns benefits to 9 organizations
I20240925001788 TX Practitioner - Emergency Medicine 0345339347 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians

Practice addresses (Care Compare)

1 Medical Plaza Dr
Roseville, CA 95661-3037
Phone (916) 781-1000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.65 of 100Reported as group
Quality
86.65
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
99.1 of 100Reported as group
Quality
93.06
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
93.85 of 100Reported as group
Quality
91.15
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Osteopathy, Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
20A9186CAMDEmergency Medicine Physician
9186CAMDOccupational Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Sonoma Valley Emergency Physicians Medical Group, Inc Emergency Medicine CurrentSince Jun 1, 2023 Accepting new patients
Victory Emergency Physicians Medical Group Inc Emergency Medicine CurrentSince Feb 29, 2024 Accepting new patients
Vituity-California Observation Services PC Emergency Medicine CurrentSince Jun 1, 2025 Accepting new patients
Travis County Emergency Physicians PA Emergency Medicine CurrentSince Sep 1, 2024 Accepting new patients
Usacs Community Emergency Services of Colorado, Inc. Emergency Medicine Current Accepting new patients
County of Santa Clara CurrentSince Sep 15, 2022 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara CurrentSince Sep 15, 2022 Accepting new patients
Usacs of Colorado, Inc Emergency Medicine Current Accepting new patients
Vituity-California Observation Services PC Emergency Medicine CurrentSince Jun 1, 2025 Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. Emergency Medicine Current Accepting new patients
County of Santa Clara Emergency Medicine Current Accepting new patients
Cep America - California Emergency Medicine Current Accepting new patients
County of Santa Clara CurrentSince Sep 15, 2022 Accepting new patients
County of Santa Clara CurrentSince Sep 15, 2022 Accepting new patients
Cep America - California Emergency Medicine CurrentSince Dec 1, 2013 Accepting new patients
Mount Eddy Emergency Physicians Medical Group, Inc. Emergency Medicine CurrentSince Aug 1, 2018 Accepting new patients
Cep America-California Emergency Medicine CurrentSince Dec 1, 2013 Accepting new patients

Locations

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

3700 South St
Lakewood, CA 90712
Phone (562) 424-2900

3751 Katella Ave
Los Alamitos, CA 90720
Phone (562) 799-3160

1720 E Cesar E Chavez Ave
Los Angeles, CA 90033
Phone (323) 260-5781

726 4th St
Marysville, CA 95901
Phone (530) 491-9491

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

914 Pine St
Mount Shasta, CA 96067
Phone (503) 926-6111

400 N McDowell Blvd
Petaluma, CA 94954
Phone (707) 778-1111

4445 Magnolia Ave
Riverside, CA 92501
Phone (800) 498-7156

1 Medical Plaza Dr
Roseville, CA 95661
Phone (916) 781-1000

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010

7700 S Broadway
Littleton, CO 80122
Phone (303) 269-4786

7900 Ranch Road 1826
Austin, TX 78737
Phone (512) 324-5305

2615 Southwest Fwy
Ste 140
Houston, TX 77098
Phone (713) 441-2779

6001 Kyle Pkwy
Kyle, TX 78640
Phone (512) 504-5000

1310 E League City Pkwy
League City, TX 77573
Phone (346) 427-5050

11525 Broadway St
Pearland, TX 77584
Phone (713) 363-8020

Interoperability endpoints

  • Direct secure messaging: szielinski305409@hisp.ehr.sutterhealth.org
  • Direct secure messaging: hchiu187642@santaclaravalley.direct-ci.net

Organizations & group practices 19

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 19

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": "1173398400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1385942400000",
    "number": "1063544849",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3700 SOUTH ST",
            "city": "LAKEWOOD",
            "state": "CA",
            "postal_code": "907121419",
            "telephone_number": "562-602-6800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3700 SOUTH ST",
            "city": "LAKEWOOD",
            "state": "CA",
            "postal_code": "907121419",
            "telephone_number": "562-602-6800"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIELINSKI",
        "first_name": "STEVE",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-09",
        "last_updated": "2013-12-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "20A9186",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lakewood, CA

Sources for this page

Verify at the official NPI Registry.