Individual provider Active NPI

Gary Steven Aumiller, PH.D.

  • Clinical Psychologist
  • Georgetown, DE
National Provider Identifier
1144490731
Registry record updated Jan 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
8117-1 Issued in NY
Practice address
27 Rowland Way
Georgetown, DE 19947-3812
Phone
(631) 624-4916
Fax
(631) 731-2310
NPI assigned
Mar 10, 2008
Last updated
Jan 27, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 27, 2026

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Neuropsychologist 103G00000X B1-0011453 DE
Psychologist 103T00000X B1-0011453 DE
Cognitive & Behavioral Psychologist 103TB0200X B1-0011453 DE
Clinical Psychologist 103TC0700X 8117-1 NY Primary
Clinical Psychologist 103TC0700X B1-0011453 DE
Forensic Psychologist 103TF0200X 8771-1 NY

Addresses

Primary practice location

27 Rowland Way
Georgetown, DE 19947-3812

Mailing address

27 Rowland Way
Georgetown, DE 19947-3812
Phone (631) 624-4916

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20110926000269 NY Practitioner - Clinical Psychologist 5890971030 Practice locations: Hauppauge, NY

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

750 Veterans Memorial Hwy
Suite 205
Hauppauge, NY 11788-2943
Phone (631) 624-4916

900 Wheeler Rd
Suite 205
Hauppauge, NY 11788-2957
Phone (631) 624-4916

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
B1-0011453DEMDCognitive & Behavioral Psychologist
8117-1NYMDClinical Psychologist
8771-1NYMDForensic Psychologist

NPI Registry JSON

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

{
    "created_epoch": "1205107200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1144490731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "27 ROWLAND WAY",
            "city": "GEORGETOWN",
            "state": "DE",
            "postal_code": "199473812",
            "telephone_number": "631-624-4916",
            "fax_number": "631-731-2310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27 ROWLAND WAY",
            "city": "GEORGETOWN",
            "state": "DE",
            "postal_code": "199473812",
            "telephone_number": "631-624-4916",
            "fax_number": "631-731-2310"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "AUMILLER",
        "first_name": "GARY",
        "middle_name": "STEVEN",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-03-10",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103G00000X",
            "taxonomy_group": "",
            "desc": "Clinical Neuropsychologist",
            "state": "DE",
            "license": "B1-0011453",
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "DE",
            "license": "B1-0011453",
            "primary": false
        },
        {
            "code": "103TB0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": "DE",
            "license": "B1-0011453",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "NY",
            "license": "8117-1",
            "primary": true
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "DE",
            "license": "B1-0011453",
            "primary": false
        },
        {
            "code": "103TF0200X",
            "taxonomy_group": "",
            "desc": "Psychologist, Forensic",
            "state": "NY",
            "license": "8771-1",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Georgetown, DE

Sources for this page

Verify at the official NPI Registry.