NPIMap

Individual provider Active NPI

Denis Nam, M.D., M.SC.

  • Adult Reconstructive Orthopaedic Surgery Physician
  • Chicago, IL
National Provider Identifier
1114184058
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Reconstructive Orthopaedic Surgery PhysicianTaxonomy code 207XS0114X
License
036141709 Issued in IL
Practice address
1611 W Harrison St Ste 300
Chicago, IL 60612
Phone
(708) 236-2600
NPI assigned
May 19, 2008
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X 036141709 IL Primary

Addresses

Primary practice location

1611 W Harrison St Ste 300
Chicago, IL 60612

Mailing address

1611 W Harrison St Ste 300
Chicago, IL 60612-4861

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, IN2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20160930000532 IL Practitioner - Orthopedic Surgery 9032351838 Reassigns benefits to 2 organizations
I20161006001275 IN Practitioner - Orthopedic Surgery 9032351838 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dynamic Physical Therapy, Inc.Group PAC ID 4284607680, 41 clinicians
Rci (WRS) LLCGroup PAC ID 5092624510, shared by 17 NPIs, 325 clinicians
Midwest Orthopaedics at Rush LLCGroup PAC ID 0244143196, 17 clinicians
Orthomidwest, PLLCGroup PAC ID 0749183713, 531 clinicians
Chesterton Physical Therapy IncGroup PAC ID 3173683984, 191 clinicians

Practice addresses (Care Compare)

1049 Lake St
Oak Park, IL 60301-6708

1300 Lincolnway
Valparaiso, IN 46383-5824

1611 W Harrison St
Suite 400
Chicago, IL 60612-4861
Phone (312) 243-4244

425 Sand Creek Dr
Chesterton, IN 46304-1589

9200 Calumet Ave
Suite 300
Munster, IN 46321-2885
Phone (877) 632-6637

9601 Calumet Ave
Munster, IN 46321-2871
Phone (877) 632-6637

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement61
Knee replacement241

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036141709ILMDAdult Reconstructive Orthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Orthomidwest, PLLC CurrentSince Jul 1, 2022 Accepting new patients
Midwest Orthopaedics at Rush LLC CurrentSince Nov 15, 2016 Accepting new patients
Orthomidwest, PLLC CurrentSince Jul 1, 2022 Accepting new patients
Orthomidwest, PLLC CurrentSince Jul 1, 2022 Accepting new patients
Midwest Orthopaedics at Rush, LLC CurrentSince Nov 15, 2016 Accepting new patients
Gibson Community Hospital Association Past Accepting new patients
Major Hospital Past Accepting new patients
Ascension Saint Joseph MSK JV, LLC PastSince Mar 31, 2023 Accepting new patients
Mor Physician Network LLC PastSince Jul 30, 2019 Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

770 Beloit Rd
Belvidere, IL 61008
Phone (815) 847-7060

1611 W Harrison St
#400
Chicago, IL 60612
Phone (312) 243-4244

1611 W Harrison St
Ste 300
Chicago, IL 60612
Phone (312) 432-2300

1611 W Harrison St
Ste 400
Chicago, IL 60612
Phone (312) 243-4244

963 N 129th Infantry Dr
Joliet, IL 60435
Phone (815) 725-8425

324 Roxbury Rd
Rockford, IL 61107
Phone (815) 381-7339

1 Westbrook Corporate Ctr
Ste 240
Westchester, IL 60154

25 N Winfield Rd
Winfield, IL 60190
Phone (630) 682-1600

9200 Calumet Ave
Munster, IN 46321
Phone (219) 664-9232

9200 Calumet Ave
#300
Munster, IN 46321

9200 Calumet Ave
Ste 300
Munster, IN 46321
Phone (708) 236-2737

9200 Calumet Ave
Ste S300
Munster, IN 46321
Phone (708) 492-5460

9601 Calumet Ave
Munster, IN 46321
Phone (312) 432-2591

Interoperability endpoints

  • Direct secure messaging: denis.nam.1@12576.direct.athenahealth.com

Organizations & group practices 12

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.

Hospital & facility affiliations 13

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1211155200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1114184058",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1611 W HARRISON ST STE 300",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606124861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1611 W HARRISON ST STE 300",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60612",
            "telephone_number": "708-236-2600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAM",
        "first_name": "DENIS",
        "name_prefix": "Dr.",
        "credential": "M.D., M.SC.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-19",
        "last_updated": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207XS0114X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery",
            "state": "IL",
            "license": "036141709",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.