Organization Active NPI

Comprehensive Endocrinology, P.C.

  • Endocrinology, Diabetes & Metabolism Physician
  • Denver, CO
National Provider Identifier
1093999005
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
Legal business name
COMPREHENSIVE ENDOCRINOLOGY, P.C.
Practice address
4545 E 9TH Ave Ste 245
Denver, CO 80220-3919
Phone
(888) 919-6316
Fax
(303) 321-3668
NPI assigned
Dec 27, 2007
Last updated
Sep 8, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2026

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

Authorized official

Name
Claudia PanzerNPI 1538122007
Title
President
Phone
(888) 418-4988

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X Primary

Addresses

Primary practice location

4545 E 9TH Ave Ste 245
Denver, CO 80220-3919

Mailing address

4545 E 9TH Ave Ste 245
Denver, CO 80220-3919
Phone (888) 919-6316

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20080821000431 CO Part B Supplier - Clinic/Group Practice 6800961129 Receives reassigned benefits from 1 practitioner
Practice locations: Denver, CO

National Provider Directory

National Provider Directory

Locations

4500 E 9th Ave
Ste 160
Denver, CO 80220
Phone (303) 377-6401

4500 E 9th Ave
Ste 160S
Denver, CO 80220
Phone (303) 648-4067

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1198713600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788825600000",
    "number": "1093999005",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4545 E 9TH AVE STE 245",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802203919",
            "telephone_number": "888-919-6316",
            "fax_number": "303-321-3668"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4545 E 9TH AVE STE 245",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802203919",
            "telephone_number": "888-919-6316",
            "fax_number": "303-321-3668"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COMPREHENSIVE ENDOCRINOLOGY, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-12-27",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A",
        "authorized_official_last_name": "PANZER",
        "authorized_official_first_name": "CLAUDIA",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "888-418-4988"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.