Mark Albert Skellie, PSY.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

PS-T001180 Issued in GA

Practice address

1000 Johnson Ferry Rd
Atlanta, GA 30342-1606

Phone

(404) 851-8000

Fax

(404) 303-3759

NPI assigned

Nov 12, 2010

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in LA, GA2 enrollments

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 2

Specialty

Clinical Psychologist

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Atlanta Professional Services LLCGroup PAC ID 0840291944, 423 clinicians

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.

• North Atlanta Professional Services LLC

  • Psychologist
  • Atlanta, GA
  • NPI 1316959869
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1289520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1265733851",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 JOHNSON FERRY RD",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303421606",
            "telephone_number": "404-851-8000",
            "fax_number": "404-303-3759"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 JOHNSON FERRY RD",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303421606",
            "telephone_number": "404-851-8000",
            "fax_number": "404-303-3759"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1772 Prytania St Ste 200",
            "address_purpose": "LOCATION",
            "city": "New Orleans",
            "state": "LA",
            "postal_code": "701305261",
            "country_code": "US",
            "telephone_number": "504-481-2099",
            "fax_number": "888-811-3586",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SKELLIE",
        "first_name": "MARK",
        "middle_name": "ALBERT",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-11-12",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychologist, Clinical",
            "state": "LA",
            "license": "1190",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "GA",
            "license": "PS-T001180",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Daniel Adib Skaf, MD
• Harold L Skaggs Jr., MD
• Catherine Skala, PA
• Skandalakis & Carroll, LLC
• Lee John Skandalakis, M.D.
• Chelsie Skelton, CPNP
• Devin Skelton
• Henry Michael Skelton
• John Paul Skendelas, M.D.
• Melissa Skenes Bonfada

• Psychologist in Atlanta, GA
• Providers in Atlanta, GA by specialty
• Psychologist in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 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.