Alan Lester Rosenberg, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

15588 Issued in CO

Practice address

4200 W Conejos PL
#424
Denver, CO 80204-1333

Phone

(303) 629-3865

NPI assigned

Feb 27, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

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.

• West Denver Ekg Panel

  • Internal Medicine Physician
  • Denver, CO
  • NPI 1912965229
  NPD (past)

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

{
    "created_epoch": "1140998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1639145923",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4200 W CONEJOS PL",
            "address_2": "#424",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802041333",
            "telephone_number": "303-629-3865"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4200 W CONEJOS PL",
            "address_2": "#424",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802041333",
            "telephone_number": "303-629-3865"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROSENBERG",
        "first_name": "ALAN",
        "middle_name": "LESTER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "CO",
            "license": "15588",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ronit Rosen, LCSW
• Zoe Marie Rosen
• Meg Rosenbaugh
• Laurie A Rosenbaum
• Savanna Kay Rosenbaum, DO
• Deborah Meg Rosenberg, PHD
• Donna Andrea Rosenberg, M.D.
• Suzanne H Rosenberg, M.D.
• Claire Jordan Rosenberger
• Rebecca Ruth Rosenberger, MD

• Rheumatology Physician in Denver, CO
• Providers in Denver, CO by specialty
• Rheumatology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.