Individual provider Active NPI

Marek Piekos, M.D.

  • Reproductive Endocrinology Physician
  • Joliet, IL
National Provider Identifier
1295756302
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X
Practice address
744 Essington Rd
Joliet, IL 60435-4912
Phone
(815) 730-1100
Fax
(815) 730-1066
NPI assigned
Jul 22, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Reproductive Endocrinology Physician 207VE0102X IL Primary

Addresses

Primary practice location

744 Essington Rd
Joliet, IL 60435-4912

Mailing address

744 Essington Rd
Joliet, IL 60435-4912
Phone (815) 730-1100

Other identifiers 4

IdentifierTypeStateIssuer
2206563OtherILBCBS
7441000OtherILUHC
CIGNAOtherIL8889097001
0600486OtherILAETNA

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
303608442ILMDReproductive Endocrinology Physician

NPI Registry JSON

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

{
    "created_epoch": "1153526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1295756302",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "744 ESSINGTON RD",
            "city": "JOLIET",
            "state": "IL",
            "postal_code": "604354912",
            "telephone_number": "815-730-1100",
            "fax_number": "815-730-1066"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "744 ESSINGTON RD",
            "city": "JOLIET",
            "state": "IL",
            "postal_code": "604354912",
            "telephone_number": "815-730-1100",
            "fax_number": "815-730-1066"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIEKOS",
        "first_name": "MAREK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-22",
        "last_updated": "2023-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "2206563",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UHC",
            "identifier": "7441000",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "8889097001",
            "identifier": "CIGNA",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "0600486",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Joliet, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2023; 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.