Allen L Cohn, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

DR.0027525 Issued in CO

Practice address

1800 Williams St
Suite 200
Denver, CO 80218-1234

Phone

(303) 388-4876

Fax

(303) 285-5097

NPI assigned

Dec 6, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CO

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

Specialty

Hematology/Oncology

Education

University of Maryland School of Medicine, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rocky Mountain Cancer Centers LLPGroup PAC ID 7012820533, 131 clinicians

Yampa Valley Medical CenterGroup PAC ID 5890685689, 128 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Uchealth Yampa Valley Medical Center Hospital, Steamboat Springs, CO, CCN 060049
• HCA Healthone Rose Hospital, Denver, CO, CCN 060032
• HCA HealthOne Presbyterian St. Lukes Hospital, Denver, CO, CCN 060014
• Sky Ridge Medical Center Hospital, Lone Tree, CO, CCN 060112
• Boulder Community Health Hospital, Boulder, CO, CCN 060027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: allen.cohn@rmcc.ikm.direct-ci.com

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.

• Rocky Mountain Cancer Centers LLP

  • Hematology & Oncology Physician
  • Greenwood Village, CO
  • NPI 1518941186
  Medicare reassignment Care Compare group NPD
• Yampa Valley Medical Center

  • General Acute Care Hospital
  • Steamboat Springs, CO
  • NPI 1790787307
  Medicare reassignment Care Compare group NPD
• Rocky Mountain Cancer Centers LLP

  • Radiation Oncology Physician
  • Greenwood Village, CO
  • NPI 1861539538

  Hematology & Oncology

  NPD
• Rocky Mountain Cancer Centers, LLP

  • Hematology & Oncology Physician
  • Longmont, CO
  • NPI 1538762760
  NPD
• Yampa Valley Medical Center

  • Multi-Specialty Clinic/Center
  • Steamboat Springs, CO
  • NPI 1295177426

  Hematology & Oncology

  NPD
• Yampa Valley Medical Center

  • Pharmacy
  • Steamboat Springs, CO
  • NPI 1861814097
  NPD
• Khalid Chowdhury MD, PC

  • Facial Plastic Surgery Physician
  • Denver, CO
  • NPI 1457502940
  NPD (past)

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

• Boulder Community Health

  • Primary Care Clinic/Center
  • Boulder, CO
  • NPI 1013564517

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Sleep Disorder Diagnostic Clinic/Center
  • Boulder, CO
  • NPI 1093357907

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Radiology Clinic/Center
  • Broomfield, CO
  • NPI 1215585377

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Clinical Medical Laboratory
  • Erie, CO
  • NPI 1285282350

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Clinic/Center
  • Boulder, CO
  • NPI 1306493879

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Home Health Agency
  • Boulder, CO
  • NPI 1336252295

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Physical Therapy Clinic/Center
  • Boulder, CO
  • NPI 1457417966

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Radiology Clinic/Center
  • Erie, CO
  • NPI 1467000539

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Clinical Medical Laboratory
  • Lafayette, CO
  • NPI 1477101541

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Radiology Clinic/Center
  • Boulder, CO
  • NPI 1477101608

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Birthing Clinic/Center
  • Boulder, CO
  • NPI 1477215663

  Hospital

  Care Compare affiliation
• Boulder Community Health

  • Radiology Clinic/Center
  • Lafayette, CO
  • NPI 1487202552

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1133827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739750400000",
    "number": "1316921976",
    "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": "1800 WILLIAMS ST",
            "address_2": "SUITE 200",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802181234",
            "telephone_number": "303-388-4876",
            "fax_number": "303-285-5097"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "COHN",
        "first_name": "ALLEN",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-06",
        "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.0027525",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "O1275254",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Natasha Marchell Cohen
• Rachel Cohen
• Sha Cohen, RN, PARAMEDIC
• Shawn Cohen, LCSW
• William Robert Cohen, MD
• Ariana Gwen Cohn
• Brian Cohn, M.ED., BCBA
• David L Cohn, MD
• Marlene Kathy Cohn
• Samuel J Cohn, M.D.

• Hematology & Oncology Physician in Denver, CO
• Providers in Denver, CO by specialty
• Hematology & Oncology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.