Individual provider Active NPI

Marianne Alford Osentoski, PH.D.

  • Psychologist
  • Mills River, NC
National Provider Identifier
1114009933
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
5643 Issued in NC
Practice address
133 Chestnut Ridge Rd
Mills River, NC 28759-2692
Phone
(843) 422-8851
NPI assigned
Oct 20, 2006
Last updated
Aug 5, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X 1215 SC
Psychologist 103T00000X 5643 NC Primary
Psychologist 103T00000X 6301009251 MI

Addresses

Primary practice location

133 Chestnut Ridge Rd
Mills River, NC 28759-2692

Mailing address

133 Chestnut Ridge Rd
Mills River, NC 28759-2692
Phone (843) 422-8851

Other practice location 1

301 Central Ave Ste 320
Hilton Head Island, SC 29926-1638
Phone (843) 422-8851

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
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

Enrollment IDStateProvider typePAC IDDetails
I20130524000129 SC Practitioner - Clinical Psychologist 4688568173 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

19 Rookery Way
Hilton Head Island, SC 29926-2572
Phone (843) 422-8851

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
5643NCMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Carolina Psychotherapy & Consulting Psychologist CurrentSince Mar 13, 2017 Accepting new patients

Locations

90 Main St
Ste 5
Hilton Head Island, SC 29926
Phone (843) 422-8851

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1161302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1114009933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "133 CHESTNUT RIDGE RD",
            "city": "MILLS RIVER",
            "state": "NC",
            "postal_code": "287592692",
            "telephone_number": "843-422-8851",
            "fax_number": "828-687-1479"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "133 CHESTNUT RIDGE RD",
            "city": "MILLS RIVER",
            "state": "NC",
            "postal_code": "287592692",
            "telephone_number": "843-422-8851"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "301 Central Ave Ste 320",
            "address_purpose": "LOCATION",
            "city": "Hilton Head Island",
            "state": "SC",
            "postal_code": "299261638",
            "country_code": "US",
            "telephone_number": "843-422-8851",
            "fax_number": "828-687-1479",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OSENTOSKI",
        "first_name": "MARIANNE",
        "middle_name": "ALFORD",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-20",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "SC",
            "license": "1215",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NC",
            "license": "5643",
            "primary": true
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "MI",
            "license": "6301009251",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mills River, NC

Sources for this page

Verify at the official NPI Registry.