Sibyl Rae Cornell Hewitt, PH.D

Primary specialty

PsychologistTaxonomy code 103T00000X

License

PSY.0006814 Issued in CO

Practice address

777 29TH St Ste 500
Boulder, CO 80303-2357

Phone

(720) 551-8074

NPI assigned

Dec 20, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other names 1

• Sibyl Rae Cornell Former name

Medicare fee-for-service enrollment

Enrolled in CO

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

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.

• Heart Centered Counseling, PC

  dba LifeStance Health

  • Mental Health Counselor
  • Fort Collins, CO
  • NPI 1588038681
  Medicare reassignment

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

{
    "created_epoch": "1576800000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1831738863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "777 29TH ST STE 500",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803032357",
            "telephone_number": "970-347-2120"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "777 29TH ST STE 500",
            "city": "BOULDER",
            "state": "CO",
            "postal_code": "803032357",
            "telephone_number": "720-551-8074"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEWITT",
        "first_name": "SIBYL",
        "middle_name": "RAE CORNELL",
        "credential": "PH.D",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-12-20",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CO",
            "license": "PSY.0006814",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CO",
            "license": "PSY.0006814",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SIBYL",
            "last_name": "CORNELL",
            "middle_name": "RAE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Rachel E Hess, PAC
• Amanda Marie Hessel, OTR, D.C., L.AC
• Dana Eric Hessel, RPH
• Beth Hesterman, LMT
• Sarah Hewes, PH.D., LPC
• Joy Liou Hicks, DMD
• Ellen Hiestand
• Elliott B Higgins, DMD
• Thomas Higgins, M.D.
• High Altitude Spine and Sport

• Psychologist in Boulder, CO
• Providers in Boulder, CO by specialty
• Psychologist in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 2026; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.