Individual provider Active NPI

Tammi Kay McComak, FNP

  • Family Nurse Practitioner
  • Tracy, CA
National Provider Identifier
1679553804
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
15459 Issued in CA
Practice address
530 W Eaton Ave
Suite K
Tracy, CA 95376-3400
Phone
(209) 835-4232
NPI assigned
Jan 23, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 15459 CA Primary

Addresses

Primary practice location

530 W Eaton Ave
Suite K
Tracy, CA 95376-3400

Mailing address

561 Hansen CT
Patterson, CA 95363-9315
Phone (209) 892-5369

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090923000271 CA Practitioner - Nurse Practitioner 6709932361 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
96.69 of 100Reported as group
Quality
90
Improvement activities
40
Cost
78.43

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Cep America-California CurrentSince Sep 1, 2024 Accepting new patients
Cep America - California Current Accepting new patients
Cep America - California CurrentSince Sep 1, 2024 Accepting new patients

Locations

500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000

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

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

1420 N Tracy Blvd
Tracy, CA 95376
Phone (209) 832-6018

Interoperability endpoints

  • Direct secure messaging: tmccomak93616@hisp.ehr.sutterhealth.org

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.

NPI Registry JSON

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

{
    "created_epoch": "1137974400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1679553804",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "561 HANSEN CT",
            "city": "PATTERSON",
            "state": "CA",
            "postal_code": "953639315",
            "telephone_number": "209-892-5369"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "530 W EATON AVE",
            "address_2": "SUITE K",
            "city": "TRACY",
            "state": "CA",
            "postal_code": "953763400",
            "telephone_number": "209-835-4232"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCOMAK",
        "first_name": "TAMMI",
        "middle_name": "KAY",
        "name_prefix": "Mrs.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-01-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "15459",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tracy, CA

Sources for this page

Verify at the official NPI Registry.