Individual provider Active NPI

Richard Ladd Phelps, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Chicago, IL
National Provider Identifier
1770537482
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
036052170 Issued in IL
Practice address
201E Huron St 11-205
Chicago, IL 60611-2968
Phone
(312) 926-3670
Fax
(312) 926-3672
NPI assigned
May 19, 2006
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
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 036052170 IL Primary

Addresses

Primary practice location

201E Huron St 11-205
Chicago, IL 60611-2968

Mailing address

201 E Huron St 11 205
Chicago, IL 60611-2968
Phone (312) 926-3670

Other identifiers 1

IdentifierTypeStateIssuer
236052170MedicaidIL

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090918000390 IL Practitioner - Internal MedicinePractitioner - Endocrinology 2567518319

National Provider Directory

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

NPI Registry JSON

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

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770537482",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "201 E HURON ST 11 205",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112968",
            "telephone_number": "312-926-3670",
            "fax_number": "312-926-3672"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201E HURON ST 11-205",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112968",
            "telephone_number": "312-926-3670",
            "fax_number": "312-926-3672"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PHELPS",
        "first_name": "RICHARD",
        "middle_name": "LADD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "IL",
            "license": "036052170",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "236052170",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.