Margarita Gianniosis

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

License

C1-0027596 Issued in DE

Practice address

640 S State St
Dover, DE 19901-3530

Phone

(302) 674-4700

NPI assigned

Mar 29, 2019

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: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Pulmonary Disease

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hospitalist Medicine Physicians of Delaware, PAGroup PAC ID 2062679772, 33 clinicians

Bayhealth Medical Center, IncGroup PAC ID 1658364740, 399 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bayhealth Medical Center, Kent Campus Hospital, Dover, DE, CCN 080004
• Bayhealth Hospital, Sussex Campus Hospital, Milford, DE, CCN 080009

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Bayhealth Medical Center, Inc

  • Colon & Rectal Surgery Physician
  • Dover, DE
  • NPI 1285809509

  Pulmonary Disease

  Medicare reassignment Care Compare group NPD
• Hospitalist Medicine Physicians of Delaware, PA

  • Critical Care Medicine (Internal Medicine) Physician
  • Wilmington, DE
  • NPI 1780951814
  Medicare reassignment Care Compare group NPD
• Bayhealth Medical Center, Inc

  • Gastroenterology Physician
  • Milford, DE
  • NPI 1639938525
  NPD
• Bayhealth Medical Center, Inc

  • Surgery Physician
  • Milford, DE
  • NPI 1922867894
  NPD
• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Dover, DE
  • NPI 1467546135
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Milford, DE
  • NPI 1023006434
  Care Compare affiliation
• Bayhealth Medical Center, Inc.

  • General Acute Care Hospital
  • Dover, DE
  • NPI 1467546135
  Care Compare affiliation

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

{
    "created_epoch": "1553817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753660800000",
    "number": "1356802466",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "640 S STATE ST",
            "city": "DOVER",
            "state": "DE",
            "postal_code": "199013530",
            "telephone_number": "302-674-4700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "640 S STATE ST",
            "city": "DOVER",
            "state": "DE",
            "postal_code": "199013530",
            "telephone_number": "302-674-4700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIANNIOSIS",
        "first_name": "MARGARITA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-03-29",
        "last_updated": "2025-07-28",
        "certification_date": "2025-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "DE",
            "license": "C1-0027596",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "DE",
            "license": "C1-0027596",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• GHR Corp
• Mohamad Ayman Ghraowi, MD
• Gi Associates of Delaware PA
• Gi Consultants,LLC
• Laverne Liza Giaccone, BSN MA NCSN
• Katie Leigh Gibbs-Polkinghorne, LCSW
• Stacion Renee Gibbs, FNP-C
• Gifted Companion Home Care
• Jake David Gilardi, DMD
• Christopher Giles, M.D.

• Pulmonary Disease Physician in Dover, DE
• Providers in Dover, DE by specialty
• Pulmonary Disease Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 28, 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.