NPIMap

Individual provider Active NPI

Leonid S Grossman, MD

  • Orthopaedic Surgery Physician
  • Golden, CO
National Provider Identifier
1285073916
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Orthopaedic Surgery PhysicianTaxonomy code 207X00000X
License
62321 Issued in CO
Practice address
660 Golden Ridge Rd Ste 250
Golden, CO 80401-9541
Phone
(303) 233-1223
NPI assigned
Jun 15, 2013
Last updated
Dec 8, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 8, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery Physician 207X00000X 036177816 IL
Orthopaedic Surgery Physician 207X00000X 62321 CO Primary

Addresses

Primary practice location

660 Golden Ridge Rd Ste 250
Golden, CO 80401-9541

Mailing address

660 Golden Ridge Rd Ste 250
Golden, CO 80401-9541
Phone (303) 233-1223

Other practice location 1

5875 E Riverside Blvd
Rockford, IL 61114-4937
Phone (815) 398-9491

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, CO, IL3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20180618001613 PA Practitioner - Orthopedic Surgery 2365674298 Reassigns benefits to 1 organization
I20190809001308 CO Practitioner - Orthopedic Surgery 2365674298 Reassigns benefits to 1 organization
I20251126002582 IL Practitioner - Orthopedic Surgery 2365674298 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Orthopedic Surgery
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Orthomidwest, PLLCGroup PAC ID 0749183713, 531 clinicians

Practice addresses (Care Compare)

5875 E Riverside Blvd
Rockford, IL 61114-4937
Phone (815) 398-9491

660 Golden Ridge Rd
Suite 250
Golden, CO 80401-9541
Phone (303) 233-1223

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
96.68 of 100Reported as group
Quality
96.09
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Hip replacement1-10
Melanoma (skin cancer) excision1-10
Removal of tissue11

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
6977NEMDDentist
62321COMDOrthopaedic Surgery Physician
036177816ILMDOrthopaedic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Panorama Orthopedics & Spine Center, PC Orthopaedic Surgery CurrentSince Sep 1, 2019 Accepting new patients
Orthomidwest, PLLC CurrentSince Nov 17, 2025 Accepting new patients
Panorama Orthopedics & Spine Center, PC CurrentSince Sep 1, 2019 Accepting new patients
University of Pittsburgh Physicians CurrentSince Aug 1, 2018 Accepting new patients
Panorama Orthopedics and Spine Center PC Orthopaedic Surgery Current Accepting new patients
Orthomidwest, PLLC Orthopaedic Surgery CurrentSince Nov 17, 2025 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
University of Pittsburgh Physicians Orthopaedic Surgery CurrentSince Aug 1, 2018 Accepting new patients
Orthomidwest, PLLC Orthopaedic Surgery Current Accepting new patients
Catholic Health Initiatives Colorado Past Accepting new patients

Locations

660 Golden Ridge Rd
Ste 250
Golden, CO 80401
Phone (303) 274-7321

640 Plaza Dr
Ste 130
Highlands Ranch, CO 80129

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

5875 E Riverside Blvd
Rockford, IL 61114
Phone (779) 774-1270

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

3471 5th Ave
Ste 1010
Pittsburgh, PA 15213
Phone (412) 605-3254

Organizations & group practices 10

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 7

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

NPI Registry JSON

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

{
    "created_epoch": "1371254400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1285073916",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "660 GOLDEN RIDGE RD STE 250",
            "city": "GOLDEN",
            "state": "CO",
            "postal_code": "804019541",
            "telephone_number": "303-233-1223"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "660 GOLDEN RIDGE RD STE 250",
            "city": "GOLDEN",
            "state": "CO",
            "postal_code": "804019541",
            "telephone_number": "303-233-1223"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5875 E Riverside Blvd",
            "address_purpose": "LOCATION",
            "city": "Rockford",
            "state": "IL",
            "postal_code": "611144937",
            "country_code": "US",
            "telephone_number": "815-398-9491",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROSSMAN",
        "first_name": "LEONID",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-06-15",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "IL",
            "license": "036177816",
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CO",
            "license": "62321",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Golden, CO

Sources for this page

Verify at the official NPI Registry.