Karen Anne Holler, PHD

Primary specialty

PsychologistTaxonomy code 103T00000X

License

PS00626 Issued in RI

Practice address

345 Blackstone Blvd
Providence, RI 02906-4800

Phone

(401) 455-6352

Fax

(401) 455-6309

NPI assigned

Oct 2, 2006

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 identifiers 3

Medicare fee-for-service enrollment

Enrolled in RI

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

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.

• Affinity Physicians LLC.

  • Internal Medicine Physician
  • Warwick, RI
  • NPI 1184944662

  Clinical Neuropsychologist

  Medicare reassignment NPD
• Lifespan Physician Group, Inc.

  • Psychiatry Physician
  • Providence, RI
  • NPI 1548506793

  Clinical Neuropsychologist

  Medicare reassignment NPD
• Karen Holler PHD Neuropsychology Associates Inc

  • Clinical Neuropsychologist
  • Providence, RI
  • NPI 1346460151
  NPD (past) Authorized official
• Affinity Physicians LLC

  • Anesthesiology Physician
  • Providence, RI
  • NPI 1053038471
  NPD
• Lifespan Physician Group, Inc.

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1568325678
  NPD

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

{
    "created_epoch": "1159747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1750474599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "345 BLACKSTONE BLVD",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029064800",
            "telephone_number": "401-455-6352",
            "fax_number": "401-455-6293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "345 BLACKSTONE BLVD",
            "city": "PROVIDENCE",
            "state": "RI",
            "postal_code": "029064800",
            "telephone_number": "401-455-6352",
            "fax_number": "401-455-6309"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLER",
        "first_name": "KAREN",
        "middle_name": "ANNE",
        "name_prefix": "Dr.",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-02",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "RI",
            "license": "PS00626",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "RI",
            "license": "PS00626",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CHIP",
            "identifier": "407715",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "22698-5",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UBH",
            "identifier": "61-92026",
            "state": "RI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Joan M Holden, NP
• Sheldon Holder, MD
• Ann Holdredge, CNP
• Sabina D. Holland, M.D.
• Katherine Nichols Hollander, M.ED.
• Walter A. Hollinger, MD
• Marisa Olivia Hollinshead, MD
• Shareen Holly, PH.D.
• Caroline Sophie Holman, PH.D.
• Laura L Holman, MD

• Psychologist in Providence, RI
• Providers in Providence, RI by specialty
• Psychologist in Rhode Island

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.