NPIMap

Individual provider Active NPI

Katarzyna Twardowska, MD

  • Internal Medicine Physician
  • Anaheim, CA
National Provider Identifier
1790881795
Registry record updated Jul 9, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A69481 Issued in CA
Practice address
1801 W Romneya Dr
Suite # 601B
Anaheim, CA 92801-1830
Phone
(714) 780-5695
Fax
(714) 780-5694
NPI assigned
Sep 16, 2006
Last updated
Jul 9, 2007By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A69481 CA Primary

Addresses

Primary practice location

1801 W Romneya Dr
Suite # 601B
Anaheim, CA 92801-1830

Mailing address

PO Box 8206
Anaheim, CA 92812-0206
Phone (714) 780-5695

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100826000947 CA Practitioner - Internal Medicine 4587788641 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1989
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Southern California Hospitalist Network Medical Group IncGroup PAC ID 8921990110, 76 clinicians

Practice addresses (Care Compare)

625 The City Dr S
Suite 320
Orange, CA 92868-4978
Phone (714) 202-2330

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
42.32 of 100Reported as individual
Quality
30
Improvement activities
0
Cost
52.73

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Southern California Hospitalist Network Medical Group Inc Internal Medicine CurrentSince Jan 25, 2001 Accepting new patients

Locations

625 The City Dr S
Ste 320
Orange, CA 92868
Phone (714) 202-2330

Ownership & related parties

All facility ownership & control disclosures 2

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Faith in Angels Hospice IncBurbank, CA, CCN 551716 Hospice Contracted Managing Employee Mar 23, 2018
Affinity Hospice IncBurbank, CA, CCN A11787 Hospice W-2 Managing Employee Sep 1, 2025

Owned or controlled facilities with NPI records 2

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 9

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": "1158364800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183939200000",
    "number": "1790881795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 8206",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928120206",
            "telephone_number": "714-780-5695",
            "fax_number": "714-780-5694"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1801 W ROMNEYA DR",
            "address_2": "SUITE # 601B",
            "city": "ANAHEIM",
            "state": "CA",
            "postal_code": "928011830",
            "telephone_number": "714-780-5695",
            "fax_number": "714-780-5694"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TWARDOWSKA",
        "first_name": "KATARZYNA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-16",
        "last_updated": "2007-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A69481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Anaheim, CA

Sources for this page

Verify at the official NPI Registry.