Individual provider Active NPI

Michael Persoff, MD

  • Nephrology Physician
  • Denver, CO
National Provider Identifier
1336132638
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
16080 Issued in CO
Practice address
950 E Harvard Ave
Suite 240
Denver, CO 80210-7009
Phone
(303) 871-0977
Fax
(303) 733-2387
NPI assigned
Aug 23, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 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 16080 CO Primary

Addresses

Primary practice location

950 E Harvard Ave
Suite 240
Denver, CO 80210-7009

Mailing address

950 E Harvard Ave
Suite 240
Denver, CO 80210-7009
Phone (303) 871-0977

Other identifiers 1

IdentifierTypeStateIssuer
01160803MedicaidCO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
16080COMDNephrology Physician

NPI Registry JSON

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

{
    "created_epoch": "1124755200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1336132638",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "950 E HARVARD AVE",
            "address_2": "SUITE 240",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802107009",
            "telephone_number": "303-871-0977",
            "fax_number": "303-733-2387"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "950 E HARVARD AVE",
            "address_2": "SUITE 240",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802107009",
            "telephone_number": "303-871-0977",
            "fax_number": "303-733-2387"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PERSOFF",
        "first_name": "MICHAEL",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CO",
            "license": "16080",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01160803",
            "state": "CO"
        }
    ],
    "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 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.