Individual provider Active NPI

Gregory B Sullivan, MD

  • Psychiatry Physician
  • York, PA
National Provider Identifier
1154304897
Registry record updated Dec 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
MD037811E Issued in PA
Practice address
1407 Williams Rd
York, PA 17402-9000
Phone
(717) 851-6340
NPI assigned
Nov 28, 2005
Last updated
Dec 19, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X MD037811E PA Primary

Addresses

Primary practice location

1407 Williams Rd
York, PA 17402-9000

Mailing address

601 Memory LN
York, PA 17402-2231
Phone (717) 851-1405

Other practice location 1

315 W James St
Lancaster, PA 17603-2979
Phone (717) 509-0625

Other practice location 2

150 Roosevelt Ave
York, PA 17401-3380
Phone (717) 356-5430

Other practice location 3

112 N 7th St
Chambersburg, PA 17201-1720
Phone (717) 267-7771

Other practice location 4

125 Schneider Dr
Lebanon, PA 17046-4875
Phone (717) 376-1020

Other practice location 5

176 S Coldbrook Ave
Chambersburg, PA 17201-2712
Phone (717) 267-7480

Other identifiers 1

IdentifierTypeStateIssuer
0011550090006MedicaidPA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address gsullivan122523@direct.geisinger.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040123000815 PA Practitioner - Psychiatry 3779485305 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
George Washington University School of Medicine, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

1333 Sleepyhollow Rd
York, PA 17403-3823

3421 Concord Rd
York, PA 17402-9001

3550 Concord Rd
York, PA 17402-8626

601 Memory LN
York, PA 17402-2206

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD037811EPAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Wellspan Medical Group CurrentSince Jun 13, 2022 Accepting new patients
Wellspan Medical Group Current Accepting new patients
Wellspan Medical Group CurrentSince Jun 13, 2022 Accepting new patients
Holy Spirit Hospital Past Accepting new patients
Philhaven PastSince Nov 1, 2020 Accepting new patients

Locations

112 N 7th St
Chambersburg, PA 17201
Phone (717) 217-4300

176 S Coldbrook Ave
Chambersburg, PA 17201
Phone (717) 263-0550

6375 Chambersburg Rd
Fayetteville, PA 17222
Phone (717) 352-2721

1001 S George St
York, PA 17403
Phone (717) 812-7687

1407 Williams Rd
York, PA 17402
Phone (717) 845-2482

1600 S George St
York, PA 17403
Phone (717) 848-3615

25 Monument Rd
Ste 270
York, PA 17403
Phone (717) 741-8250

3421 Concord Rd
York, PA 17402
Phone (717) 851-2441

3550 Concord Rd
York, PA 17402
Phone (717) 851-1546

601 Memory Ln
York, PA 17402
Phone (717) 851-6670

605 S George St
Ste 200
York, PA 17401
Phone (717) 851-2334

Interoperability endpoints

  • Direct secure messaging: gsullivan300482@wellspan.direct-ci.com

Organizations & group practices 5

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": "1133136000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1154304897",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 MEMORY LN",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174022231",
            "telephone_number": "717-851-1405",
            "fax_number": "717-851-6969"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1407 WILLIAMS RD",
            "city": "YORK",
            "state": "PA",
            "postal_code": "174029000",
            "telephone_number": "717-851-6340"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "315 W James St",
            "address_purpose": "LOCATION",
            "city": "Lancaster",
            "state": "PA",
            "postal_code": "176032979",
            "country_code": "US",
            "telephone_number": "717-509-0625",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "150 Roosevelt Ave",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174013380",
            "country_code": "US",
            "telephone_number": "717-356-5430",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "112 N 7th St",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172011720",
            "country_code": "US",
            "telephone_number": "717-267-7771",
            "fax_number": "717-267-7427",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "125 Schneider Dr",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "PA",
            "postal_code": "170464875",
            "country_code": "US",
            "telephone_number": "717-376-1020",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "176 S Coldbrook Ave",
            "address_purpose": "LOCATION",
            "city": "Chambersburg",
            "state": "PA",
            "postal_code": "172012712",
            "country_code": "US",
            "telephone_number": "717-267-7480",
            "fax_number": "717-775-5015",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SULLIVAN",
        "first_name": "GREGORY",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-28",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MD037811E",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0011550090006",
            "state": "PA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gsullivan122523@direct.geisinger.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "503 N 21st St",
            "city": "Camp Hill",
            "state": "PA",
            "country_code": "US",
            "postal_code": "170112204",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in York, PA

Sources for this page

Verify at the official NPI Registry.