NPIMap

Individual provider Active NPI

Douglas M Reznick, MD

  • Hematology & Oncology Physician
  • Aurora, CO
National Provider Identifier
1124002456
Registry record updated Feb 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
DR.0034032 Issued in CO
Practice address
1700 S Potomac St
Aurora, CO 80012-5405
Phone
(303) 418-7600
Fax
(303) 750-3137
NPI assigned
Nov 30, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X DR.0034032 CO Primary

Addresses

Primary practice location

1700 S Potomac St
Aurora, CO 80012-5405

Mailing address

7951 E Maplewood Ave Ste 350
Greenwood Village, CO 80111-4758
Phone (303) 930-7895

Other identifiers 1

IdentifierTypeStateIssuer
96022531MedicaidCO

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040318001199 CO Practitioner - Medical Oncology 8123918547 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical Oncology
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Rocky Mountain Cancer Centers LLPGroup PAC ID 7012820533, 131 clinicians

Practice addresses (Care Compare)

10103 Ridgegate Pkwy
G01
Lone Tree, CO 80124-5521
Phone (303) 925-0700

1800 Williams St
Suite 200
Denver, CO 80218-1237
Phone (303) 388-4876

22 W Dry Creek Circle
Littleton, CO 80120-4413
Phone (303) 730-4700

2312 N Nevada Ave
Suite 400
Colorado Springs, CO 80907-5320
Phone (719) 577-2555

3027 N Circle Dr
Colorado Springs, CO 80909-1179
Phone (719) 577-2555

4700 E Hale Pkwy
Suite 400
Denver, CO 80220-4051
Phone (303) 321-0302

8820 Huron St
Thornton, CO 80260-6805
Phone (303) 386-7622

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
73.32 of 100Reported as apm
Quality
59.88
Promoting interoperability
72.04
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Rocky Mountain Cancer Centers LLP Hematology & Oncology CurrentSince Jan 1, 2013 Accepting new patients
Rocky Mountain Cancer Centers LLP Hematology & Oncology Current Accepting new patients
Rocky Mountain Cancer Centers, LLP Hematology & Oncology CurrentSince Jan 1, 2013 Accepting new patients
Khalid Chowdhury MD, PC PastSince Feb 12, 2013 Accepting new patients

Locations

1700 S Potomac St
Aurora, CO 80012
Phone (303) 418-7600

14000 E Arapahoe Rd
Ste 160
Centennial, CO 80112
Phone (303) 218-4250

3027 N Circle Dr
Colorado Springs, CO 80909
Phone (719) 577-2555

1601 E 19th Ave
Ste 3000
Denver, CO 80218
Phone (303) 388-4876

701 E Hampden Ave
Ste 300
Englewood, CO 80113
Phone (303) 740-8200

7951 E Maplewood Ave
Ste 300
Greenwood Village, CO 80111
Phone (303) 930-7800

7951 E Maplewood Ave
Ste 350
Greenwood Village, CO 80111

22 W Dry Creek Cir
Littleton, CO 80120
Phone (303) 730-4700

9397 Crown Crest Blvd
Ste 421
Parker, CO 80138
Phone (303) 805-7744

Interoperability endpoints

  • Direct secure messaging: douglas.reznick@rmcc.ikm.direct-ci.com

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 16

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

View all 16

NPI Registry JSON

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

{
    "created_epoch": "1133308800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739750400000",
    "number": "1124002456",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7951 E MAPLEWOOD AVE STE 350",
            "city": "GREENWOOD VILLAGE",
            "state": "CO",
            "postal_code": "801114758",
            "telephone_number": "303-930-7895",
            "fax_number": "832-601-6018"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1700 S POTOMAC ST",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800125405",
            "telephone_number": "303-418-7600",
            "fax_number": "303-750-3137"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "REZNICK",
        "first_name": "DOUGLAS",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-30",
        "last_updated": "2025-02-17",
        "certification_date": "2025-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CO",
            "license": "DR.0034032",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "96022531",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

Verify at the official NPI Registry.