Individual provider Active NPI

Natasha Khaleta Klemm, MD

  • Gastroenterology Physician
  • Aurora, CO
National Provider Identifier
1144076456
Registry record updated Nov 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
DR.0076140 Issued in CO
Practice address
1635 Aurora CT
Aurora, CO 80045-2541
Phone
(720) 848-0000
NPI assigned
Apr 26, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X DR.0076140 CO Primary
Internal Medicine Physician 207R00000X DR.0076140 CO

Addresses

Primary practice location

1635 Aurora CT
Aurora, CO 80045-2541

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Other practice location 1

330 Brookline Avenue
Boston, MA 02215
Phone (617) 667-8427

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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 1

Enrollment IDStateProvider typePAC IDDetails
I20250923004438 CO Practitioner - GastroenterologyPractitioner - Internal MedicinePractitioner - Hospitalist 2860997699 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
University of Manitoba, Faculty of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University Physicians IncorporatedGroup PAC ID 3476465667, 3,189 clinicians

Practice addresses (Care Compare)

1635 Aurora CT
Aurora, CO 80045-2541
Phone (720) 848-0000

777 Bannock St
Denver, CO 80204-4507
Phone (303) 436-6000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy12
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0076140COMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Physicians, Incorporated CurrentSince Oct 1, 2025 Accepting new patients
University Physicians, Incorporated CurrentSince Oct 1, 2025 Accepting new patients
University Physicians Incorporated Internal Medicine Current Accepting new patients
Denver Health and Hospital Authority CurrentSince Aug 11, 2025 Accepting new patients
Denver Health and Hospital Authority CurrentSince Aug 11, 2025 Accepting new patients
Denver Health and Hospital Authority Past Accepting new patients

Locations

1635 Aurora Ct
Aurora, CO 80045
Phone (720) 848-1060

1635 Aurora Ct
Ste F735
Aurora, CO 80045
Phone (720) 848-2767

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

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

777 Bannock St
Denver, CO 80204

Dept 1061
Denver, CO 80256

777 Bannock St
Ste MC3450
Denver, CO 80204

Organizations & group practices 6

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 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": "1714089600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1144076456",
    "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": "1635 AURORA CT",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800452541",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "330 Brookline Avenue",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "02215",
            "country_code": "US",
            "telephone_number": "617-667-8427",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEMM",
        "first_name": "NATASHA",
        "middle_name": "KHALETA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-04-26",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CO",
            "license": "DR.0076140",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0076140",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

Verify at the official NPI Registry.