Margaret Mary Gaestel, LCSW, LCSW-C

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

Q1-0000844 Issued in DE

Practice address

414 E Savannah Rd
Lewes, DE 19958-1133

Phone

(302) 703-2276

NPI assigned

Apr 14, 2009

Sex

Female

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 DE

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

Specialty

Clinical Social Worker

Education

University of Maryland School of Medicine, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Synergy Behavioral Health Group

  • Clinical Social Worker
  • Lewes, DE
  • NPI 1609366541
  NPD Authorized official
• Deborah Stokes, PHD, LLC

  • Clinical Psychologist
  • Lewes, DE
  • NPI 1740804038
  NPD

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

{
    "created_epoch": "1239667200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1306089818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "112 TILNEY ST",
            "city": "MILTON",
            "state": "DE",
            "postal_code": "199681639",
            "telephone_number": "302-684-8533"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "414 E SAVANNAH RD",
            "city": "LEWES",
            "state": "DE",
            "postal_code": "199581133",
            "telephone_number": "302-703-2276"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAESTEL",
        "first_name": "MARGARET",
        "middle_name": "MARY",
        "credential": "LCSW, LCSW-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-04-14",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DE",
            "license": "Q1-0000844",
            "primary": true
        },
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elise Friede
• Gayle Frohlich
• Mattie Faye Fulton
• Fun Fit Vibe LLC
• Celeste Furstnau
• Eric L Gallagher, MD
• Toni Gallegan, RN
• Tara Gambale, SCHOOL PSYCHOLOGIST
• Susan Gann, OT/L
• Lindsey Garcia, RN

• Clinical Social Worker in Lewes, DE
• Providers in Lewes, DE by specialty
• Clinical Social Worker in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2026; 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.