NPIMap

Individual provider Active NPI

Katarzyna Agnieszka Mastalerz, M.D.

  • Hospitalist Physician
  • Denver, CO
National Provider Identifier
1861514275
Registry record updated Mar 15, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
DR.0048931 Issued in CO
Practice address
1721 E 19TH Ave
Suite 520
Denver, CO 80218-1243
Phone
(303) 869-2440
Fax
(303) 869-2544
NPI assigned
Apr 4, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 15, 2023

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 48931 CO
Hospitalist Physician 208M00000X DR.0048931 CO Primary

Addresses

Primary practice location

1721 E 19TH Ave
Suite 520
Denver, CO 80218-1243

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Other practice location 1

12605 E 16th Ave
Aurora, CO 80045-2545
Phone (720) 848-0000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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
I20100929000180 CO Practitioner - HospitalistPractitioner - Internal Medicine 5092831909 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
University of Pittsburgh School of Medicine, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Physicians IncorporatedGroup PAC ID 3476465667, 3,189 clinicians

Practice addresses (Care Compare)

12605 E 16TH Ave
Uchealth Anschutz Medical Campus
Aurora, CO 80045-2545
Phone (720) 848-0000

13123 E 16TH Ave
Aurora, CO 80045-7106
Phone (720) 777-1234

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
48931COMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Physicians Incorporated CurrentSince Apr 1, 2023 Accepting new patients
Denver Health and Hospital Authority CurrentSince Jun 24, 2010 Accepting new patients
Denver Health and Hospital Authority CurrentSince Jun 24, 2010 Accepting new patients
University Physicians Incorporated Internal Medicine Current Accepting new patients
University Physicians, Incorporated CurrentSince Apr 1, 2023 Accepting new patients
Healthone Clinic Services - Medical Specialties LLC Internal Medicine CurrentSince Mar 1, 2015 Accepting new patients
University of Colorado Hospital Authority Past Accepting new patients

Locations

12605 E 16th Ave
Aurora, CO 80045
Phone (720) 848-0006

13123 E 16th Ave
Aurora, CO 80045
Phone (720) 777-3846

1721 E 19th Ave
Ste 500
Denver, CO 80218
Phone (303) 563-2755

Dept 1061
Denver, CO 80256

4600 Hale Pkwy
Ste 490
Denver, CO 80220
Phone (303) 329-7876

1719 E 19th Ave
Denver, CO 80218
Phone (303) 839-6000

1721 E 19th Ave
Ste 520
Denver, CO 80218
Phone (303) 839-6741

777 Bannock St
Denver, CO 80204

Organizations & group practices 7

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 27

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 27

NPI Registry JSON

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

{
    "created_epoch": "1175644800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678838400000",
    "number": "1861514275",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 110429",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800420429"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1721 E 19TH AVE",
            "address_2": "SUITE 520",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802181243",
            "telephone_number": "303-869-2440",
            "fax_number": "303-869-2544"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "12605 E 16th Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800452545",
            "country_code": "US",
            "telephone_number": "720-848-0000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASTALERZ",
        "first_name": "KATARZYNA",
        "middle_name": "AGNIESZKA",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-04-04",
        "last_updated": "2023-03-15",
        "certification_date": "2023-03-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "48931",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CO",
            "license": "DR.0048931",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.