Individual provider Active NPI

Tammy Witschger, PA-C

  • Physician Assistant
  • Santa Cruz, CA
National Provider Identifier
1376734053
Registry record updated Mar 11, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA19304 Issued in CA
Practice address
1555 Soquel Dr
Emergency Department
Santa Cruz, CA 95065-1705
Phone
(831) 464-1776
NPI assigned
Aug 7, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 11, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA19304 CA Primary

Addresses

Primary practice location

1555 Soquel Dr
Emergency Department
Santa Cruz, CA 95065-1705

Mailing address

1471 Pami LN
Santa Cruz, CA 95062-3173
Phone (831) 464-1776

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
I20071129000710 CA Practitioner - Physician Assistant 6406945310 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dignity Health Medical FoundationGroup PAC ID 7810800661, 1,211 clinicians

Practice addresses (Care Compare)

1595 Soquel Dr
Santa Cruz, CA 95065-1724

1820 41St Ave
Capitola, CA 95010-2516

Hospital & facility affiliations

  • Dominican Hospital Hospital, Santa Cruz, CA, CCN 050242

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
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA19304CAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Dignity Health Medical Foundation Current Accepting new patients
Dignity Health Medical Foundation CurrentSince Jul 31, 2025 Accepting new patients
Dignity Health Medical Foundation CurrentSince Jul 31, 2025 Accepting new patients
Santa Cruz Emergency Physicians Medical Group Past Accepting new patients
Carbon Health Primary Care of California PC PastSince Jul 20, 2025 Accepting new patients
Dignity Health Medical Foundation Past Accepting new patients

Locations

1820 41st Ave
Ste C
Capitola, CA 95010
Phone (831) 462-1212

1595 Soquel Dr
Ste 400
Santa Cruz, CA 95065
Phone (831) 475-1111

1555 Soquel Dr
Santa Cruz, CA 95065
Phone (831) 462-7700

Organizations & group practices 8

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 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": "1186444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1268265600000",
    "number": "1376734053",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1471 PAMI LN",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950623173",
            "telephone_number": "831-464-1776"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1555 SOQUEL DR",
            "address_2": "EMERGENCY DEPARTMENT",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950651705",
            "telephone_number": "831-464-1776"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WITSCHGER",
        "first_name": "TAMMY",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-08-07",
        "last_updated": "2010-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA19304",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Cruz, CA

Sources for this page

Verify at the official NPI Registry.