Douglas Mark Ikelheimer, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

0101259575 Issued in VA

Practice address

777 Bannock St
MC 7782
Denver, CO 80204-4507

Phone

(303) 436-6000

NPI assigned

Aug 16, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 10

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CO, NC, WA, MT, IL, NJ, VA, FL, CA, DE, WI11 enrollments

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 11

Specialty

Psychiatry

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

CGH Medical CenterGroup PAC ID 6103723267, 199 clinicians

Baycare Behavioral Health Associates, LLCGroup PAC ID 2567624836, 97 clinicians

Beebe Physician Network Inc.Group PAC ID 5496744864, 301 clinicians

MCV Associated PhysiciansGroup PAC ID 4385542117, 1,779 clinicians

Bayhealth Medical Center, IncGroup PAC ID 1658364740, shared by 16 NPIs, 399 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (60 of 66)

Locations (25 of 54)

Interoperability endpoints

• Direct secure messaging: dikelheimer98943@direct.ahsys.org
• Direct secure messaging: dikelheimer19862@cghmc.direct-ci.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: dikelheimer519484@direct.healthsystem.virginia.edu
• FHIR API: https://fhir.blessinghospital.com/R4/open-Prod
• Direct secure messaging: douglas.ikelheimer.p1@direct.cfg.nextgenshare.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.

• Baycare Behavioral Health Associates LLC

  • Psychiatry Physician
  • Lutz, FL
  • NPI 1245502152
  Medicare reassignment Care Compare group NPD
• Beebe Physician Network Inc.

  • Internal Medicine Physician
  • Lewes, DE
  • NPI 1730133992
  Medicare reassignment Care Compare group NPD
• CGH Medical Center

  • General Acute Care Hospital
  • Sterling, IL
  • NPI 1902854623
  Medicare reassignment Care Compare group NPD
• MCV Associated Physicians

  • Anesthesiology Physician
  • Richmond, VA
  • NPI 1710959457

  Neurology

  Medicare reassignment Care Compare group NPD
• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Milford, DE
  • NPI 1023006434
  Medicare reassignment NPD
• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Dover, DE
  • NPI 1467546135
  Medicare reassignment NPD
• Blessing Hospital

  • Multi-Specialty Clinic/Center
  • Quincy, IL
  • NPI 1114471737
  Medicare reassignment NPD
• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment NPD
• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1639172372
  Medicare reassignment NPD
• Center for Family Guidance, PC

  • Geriatric Psychiatry Physician
  • Marlton, NJ
  • NPI 1508803388
  Medicare reassignment NPD
• Centra Medical Group, LLC

  • Family Medicine Physician
  • Lynchburg, VA
  • NPI 1649228966
  Medicare reassignment NPD
• CMH Physician Services, LLC

  • Internal Medicine Physician
  • South Hill, VA
  • NPI 1194760645

  Addiction Medicine

  Medicare reassignment NPD

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

{
    "created_epoch": "1155686400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763078400000",
    "number": "1508979519",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "777 BANNOCK ST",
            "address_2": "MC 7782",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044507"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "777 BANNOCK ST",
            "address_2": "MC 7782",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802044507",
            "telephone_number": "303-436-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1005 Broadway St",
            "address_purpose": "LOCATION",
            "city": "Quincy",
            "state": "IL",
            "postal_code": "623012834",
            "country_code": "US",
            "telephone_number": "217-223-1200",
            "fax_number": "217-224-9383",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "424 Savannah Rd",
            "address_purpose": "LOCATION",
            "city": "Lewes",
            "state": "DE",
            "postal_code": "199581462",
            "country_code": "US",
            "telephone_number": "302-645-3499",
            "fax_number": "302-644-4830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "205 S Front St Fl 5",
            "address_purpose": "LOCATION",
            "city": "Harrisburg",
            "state": "PA",
            "postal_code": "171041619",
            "country_code": "US",
            "telephone_number": "717-231-8360",
            "fax_number": "717-231-8358",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8700 Beverly Blvd",
            "address_purpose": "LOCATION",
            "city": "West Hollywood",
            "state": "CA",
            "postal_code": "900481804",
            "country_code": "US",
            "telephone_number": "310-423-3465",
            "fax_number": "310-423-8397",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1020 First Colonial Rd Ste A",
            "address_purpose": "LOCATION",
            "city": "Virginia Beach",
            "state": "VA",
            "postal_code": "234543078",
            "country_code": "US",
            "telephone_number": "757-395-1850",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1500 Commonwealth Ave",
            "address_purpose": "LOCATION",
            "city": "Williamsburg",
            "state": "VA",
            "postal_code": "231855229",
            "country_code": "US",
            "telephone_number": "757-585-2250",
            "fax_number": "757-903-2285",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "IKELHEIMER",
        "first_name": "DOUGLAS",
        "middle_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-16",
        "last_updated": "2025-11-14",
        "certification_date": "2025-11-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "C163816",
            "primary": false
        },
        {
            "code": "2084P0802X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Psychiatry",
            "state": "PA",
            "license": "MD453478",
            "primary": false
        },
        {
            "code": "2084A0401X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Medicine",
            "state": "IL",
            "license": "036136893",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MD453478",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IL",
            "license": "036136893",
            "primary": false
        },
        {
            "code": "2084P0802X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Addiction Psychiatry",
            "state": "VA",
            "license": "0101259575",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "VA",
            "license": "0101259575",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CO",
            "license": "40353",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "DE",
            "license": "C1-0011239",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "WI",
            "license": "76822",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "05722730",
            "state": "CO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dikelheimer170585@phsdirect.pinnaclehealth.org",
            "affiliation": "N",
            "address_1": "205 S Front St Fl 5",
            "city": "Harrisburg",
            "state": "PA",
            "country_code": "US",
            "postal_code": "171041619",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Eze P. Ihenetu, BS
• Chelsea Lynn Ihle, BSW
• Caroline Ihler, CNIM
• Alexandra Iiams
• Amy B Ikelheimer, PHD
• Matthew Paul Iles
• Ivana Ilic
• Mary Ilko
• Carol Bunnell Ilvonen, MSW, LCSW
• Imaging Group, LLC

• Psychiatry Physician in Denver, CO
• Providers in Denver, CO by specialty
• Psychiatry Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 14, 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.