Nicole Marie Sitzer, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

LP4809 Issued in CO

Practice address

300 Boardwalk Dr
Fort Collins, CO 80525-3070

Phone

(970) 223-2256

NPI assigned

Dec 23, 2008

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Dr. Nicole Marie Fleming 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

Specialty

Clinical Psychologist

Education

Other, 2007

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Fleming Psychology LLC

  • Psychologist
  • Fort Collins, CO
  • NPI 1508790361
  NPD
• Brain Health Group LLC

  • Clinical Neuropsychologist
  • Eden Prairie, MN
  • NPI 1477144384
  NPD (past)
• Deer River Healthcare Center, Inc.

  dba Essentia Health Deer River

  • Critical Access Hospital
  • Deer River, MN
  • NPI 1225049018
  NPD (past)

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

{
    "created_epoch": "1229990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773187200000",
    "number": "1043456932",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 BOARDWALK DR",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253070",
            "telephone_number": "970-223-2256"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 BOARDWALK DR",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253070",
            "telephone_number": "970-223-2256"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SITZER",
        "first_name": "NICOLE",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-12-23",
        "last_updated": "2026-03-11",
        "certification_date": "2026-03-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CO",
            "license": "LP4809",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "NICOLE",
            "last_name": "FLEMING",
            "middle_name": "MARIE",
            "prefix": "DR.",
            "credential": "PSYD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jesica Mali Siriwardane, O.D.
• Katherine E Siros, PT, DPT
• Danielle Irene Sisneros, M.A., LPC
• Charles Bradley Sisson, MD
• Lucas D Sittner, D.O.
• Lynda Gail Sizemore, RM
• Aaron Emil Skalicky, PH.D.
• Madison Marie Skalko
• SKB Therapy
• Samantha Skelton

• Clinical Psychologist in Fort Collins, CO
• Providers in Fort Collins, CO by specialty
• Clinical Psychologist in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 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.
• 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.