NPIMap

Individual provider Active NPI

Isaac Teitelbaum, MD

  • Nephrology Physician
  • Aurora, CO
National Provider Identifier
1235229139
Registry record updated Mar 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
23356 Issued in CO
Practice address
1635 Aurora CT
Aurora, CO 80045-2541
Phone
(720) 848-0000
NPI assigned
Oct 13, 2006
Last updated
Mar 12, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 23356 CO Primary

Addresses

Primary practice location

1635 Aurora CT
Aurora, CO 80045-2541

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
I20040709000864 CO Practitioner - NephrologyPractitioner - Internal Medicine 6204814940 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
NephrologyAlso: Internal Medicine
Education
State University of New York Downstate Medical Center, 1979
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)

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

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

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
23356COMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Physicians, Incorporated CurrentSince Jul 1, 1980 Accepting new patients
University Physicians Incorporated CurrentSince Jul 1, 1980 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

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

1635 Aurora Ct
Fl 7
Aurora, CO 80045
Phone (720) 848-0191

Dept 1061
Denver, CO 80256

Organizations & group practices 2

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 29

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

View all 29

NPI Registry JSON

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

{
    "created_epoch": "1160697600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1235229139",
    "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": "12605 E 16th Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800452545",
            "country_code": "US",
            "telephone_number": "720-848-0000",
            "fax_number": "303-724-4868",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TEITELBAUM",
        "first_name": "ISAAC",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-13",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CO",
            "license": "23356",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

Verify at the official NPI Registry.