Individual provider Active NPI

Chester J Dreiman, MD

  • Internal Medicine Physician
  • Boulder, CO
National Provider Identifier
1013983196
Registry record updated Apr 26, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD2023-1656 Issued in NM
Practice address
2562 Briarwood Dr
Boulder, CO 80305-6804
Phone
(303) 501-2195
NPI assigned
Feb 27, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 26, 2024

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 33041 CO
Internal Medicine Physician 207R00000X 036164434 IL
Internal Medicine Physician 207R00000X MD2023-1656 NM Primary

Addresses

Primary practice location

2562 Briarwood Dr
Boulder, CO 80305-6804

Mailing address

2562 Briarwood Dr
Boulder, CO 80305-6804
Phone (303) 501-2195

Other practice location 1

1725 W Harrison St Ste 10
Chicago, IL 60612-3849
Phone (312) 563-3700

Other identifiers 4

IdentifierTypeStateIssuer
31088546MedicaidNM
200088620AMedicaidOK
200389280AMedicaidKS
01330414MedicaidCO

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO, IL, NM3 enrollments
Eligible to order & refer
  • Part B services: No
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20040506001730 CO Practitioner - Internal MedicinePractitioner - Hospice/Palliative Care 1254320179
I20230504000186 IL Practitioner - Hospice/Palliative CarePractitioner - Internal Medicine 1254320179 Reassigns benefits to 1 organization
I20240321001814 NM Practitioner - Internal Medicine 1254320179 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
33041COMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rush University Medical Center Internal Medicine CurrentSince May 1, 2023 Accepting new patients
Portercare Adventist Health System CurrentSince Apr 9, 2017 Accepting new patients
Portercare Adventist Health System CurrentSince Apr 9, 2017 Accepting new patients
Portercare Adventist Health System Current Accepting new patients
Rush University Medical Group Internal Medicine CurrentSince May 1, 2023 Accepting new patients
Unm Medical Group Inc CurrentSince Feb 8, 2024 Accepting new patients
Unm Medical Group, Inc. CurrentSince Feb 8, 2024 Accepting new patients
Colorado Permanente Medical Group, P.C. Internal Medicine Past Accepting new patients
Critical Care Pulmonary and Sleep Associates Professional LLP PastSince Jun 8, 2025 Accepting new patients
Boulder Ekg Internal Medicine Past Accepting new patients
Critical Care Pulmonary and Sleep Associates Professional LLP Internal Medicine PastSince Jul 1, 2002 Accepting new patients

Locations

2525 S Downing St
Denver, CO 80210
Phone (303) 744-2706

7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650

1725 W Harrison St
Ste 10
Chicago, IL 60612
Phone (312) 563-3700

75 Remittance Dr
Dept 1611
Chicago, IL 60675

1700 W Van Buren St
#500
Chicago, IL 60612
Phone (312) 563-2875

933 Bradbury Dr SE
Ste 2222
Albuquerque, NM 87106
Phone (505) 272-1476

2211 Lomas Blvd NE
Unm, NM 87106
Phone (505) 272-1111

Organizations & group practices 11

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.

NPI Registry JSON

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

{
    "created_epoch": "1140998400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1714089600000",
    "number": "1013983196",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2562 BRIARWOOD DR",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803056804",
            "telephone_number": "303-501-2195"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2562 BRIARWOOD DR",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803056804",
            "telephone_number": "303-501-2195"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1725 W Harrison St Ste 10",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606123849",
            "country_code": "US",
            "telephone_number": "312-563-3700",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DREIMAN",
        "first_name": "CHESTER",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-27",
        "last_updated": "2024-04-26",
        "certification_date": "2024-04-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "33041",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036164434",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NM",
            "license": "MD2023-1656",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "31088546",
            "state": "NM"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200088620A",
            "state": "OK"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200389280A",
            "state": "KS"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01330414",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boulder, CO

Sources for this page

Verify at the official NPI Registry.