Derry Psychiatric Services, P.C.

Primary specialty

Child & Adolescent Psychiatry PhysicianTaxonomy code 2084P0804X

License

OS-008202-L Issued in PA

Legal business name

DERRY PSYCHIATRIC SERVICES, P.C.

Practice address

4829 Derry St
Harrisburg, PA 17111-3441

Phone

(717) 579-2992

Fax

(717) 558-0379

NPI assigned

Feb 26, 2007

Last updated

Sep 11, 2025By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Daisy Williams, D.O.

Title

Owner

Phone

(717) 579-2992

Specialties & licenses 2

Addresses

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

{
    "created_epoch": "1172448000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1932235751",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4829 DERRY ST",
            "city": "HARRISBURG",
            "state": "PA",
            "postal_code": "171113441",
            "telephone_number": "717-579-2992",
            "fax_number": "717-558-0379"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4829 DERRY ST",
            "city": "HARRISBURG",
            "state": "PA",
            "postal_code": "171113441",
            "telephone_number": "717-579-2992",
            "fax_number": "717-558-0379"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DERRY PSYCHIATRIC SERVICES, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-02-26",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "WILLIAMS",
        "authorized_official_first_name": "DAISY",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "717-579-2992",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "D.O."
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "OS-008202-L",
            "primary": false
        },
        {
            "code": "2084P0804X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "PA",
            "license": "OS-008202-L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leah Deppen
• Brian Francis Deramo, DO
• Jonelle R Derk, CRNP
• Robert Derner Jr.
• Kurstyn T Derr, PA-C
• Derry Street Pharmacy LLC
• Desi Home Care of Pennsylvania LLC
• Melinda Desmarais, B.A., BCABA
• Danielle Renee Desseyn, MS, OTR/L
• Cassandra S. Destefano, PA-C

• Child & Adolescent Psychiatry Physician in Harrisburg, PA
• Providers in Harrisburg, PA by specialty
• Child & Adolescent Psychiatry Physician in Pennsylvania

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.