Individual provider Active NPI

David Lawrence Harsany, M.D.

  • Otolaryngology Physician
  • Greenwich, CT
National Provider Identifier
1841624038
Registry record updated Aug 25, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
G36783 Issued in CA
Practice address
10 Elskip LN
Greenwich, CT 06831-3620
Phone
(212) 945-1640
NPI assigned
Aug 25, 2013
Last updated
Aug 25, 2013By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 25, 2013

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X G36783 CA Primary

Addresses

Primary practice location

10 Elskip LN
Greenwich, CT 06831-3620

Mailing address

10 Elskip LN
Greenwich, CT 06831-3620
Phone (212) 945-1640

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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
I20251001001560 CA Practitioner - Otolaryngology 4082110820 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Northwestern University Feinberg Medical School, 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Martin L. Hopp, MD PHD, a Medical CorpGroup PAC ID 3476597287, 4 clinicians

Practice addresses (Care Compare)

8631 W 3Rd St
Suite 440E
Los Angeles, CA 90048-5971
Phone (310) 657-7704

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Martin L. Hopp, MD PHD, a Medical Corp Otolaryngology CurrentSince Aug 18, 2025 Accepting new patients

Locations

8631 W 3rd St
Ste 440E
West Hollywood, CA 90048
Phone (310) 657-7704

Interoperability endpoints

  • Direct secure messaging: dharsany237996@direct.cshs.org

Organizations & group practices 1

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1377388800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1377388800000",
    "number": "1841624038",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 ELSKIP LN",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068313620",
            "telephone_number": "212-945-1640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 ELSKIP LN",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068313620",
            "telephone_number": "212-945-1640"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARSANY",
        "first_name": "DAVID",
        "middle_name": "LAWRENCE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-08-25",
        "last_updated": "2013-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "CA",
            "license": "G36783",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwich, CT

Sources for this page

Verify at the official NPI Registry.