Individual provider Active NPI

Mark Yassa, D.O.

  • Obstetrics Physician
  • Massapequa, NY
National Provider Identifier
1922488618
Registry record updated Jun 25, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics PhysicianTaxonomy code 207VX0000X
License
298557 Issued in NY
Practice address
4150 Sunrise Hwy
Massapequa, NY 11758-5303
Phone
(516) 393-1000
NPI assigned
Jun 8, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics Physician 207VX0000X 298557 NY Primary

Addresses

Primary practice location

4150 Sunrise Hwy
Massapequa, NY 11758-5303

Mailing address

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone (631) 376-3000

Other practice location 1

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone (631) 376-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, NC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20200330002994 NY Practitioner - Obstetrics/Gynecology 6305182817 Reassigns benefits to 4 organizations
I20250324000093 NC Practitioner - Obstetrics/Gynecology 6305182817 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2131 S 17TH St
Wilmington, NC 28401-7407
Phone (910) 667-3000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
298557NYMDObstetrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
CHS Physician Partners, PC CurrentSince Nov 20, 2023 Accepting new patients
Sun River Health Inc Current Accepting new patients
Sun River Health Inc. CurrentSince Jul 14, 2021 Accepting new patients
Good Samaritan Hospital Medical CurrentSince Apr 6, 2020 Accepting new patients
Bethpage Medical, PLLC CurrentSince Jan 5, 2020 Accepting new patients
CHS Physician Partners, PC Current Accepting new patients
Novant Health Medical Group Coastal Region, LLC Current Accepting new patients
NMG Health Services LLC CurrentSince Feb 1, 2025 Accepting new patients
CHS Physician Partners, P.C CurrentSince Nov 20, 2023 Accepting new patients
Novant Health Medical Group Coastal Region, LLC CurrentSince Feb 1, 2025 Accepting new patients
Good Samaritan Hospital Medical Center Current Accepting new patients
Good Samaritan Hospital Medical Center Past Accepting new patients
New Hanover Medical Group PA Past Accepting new patients

Locations

800 Jefferson St
Ste 112
Whiteville, NC 28472
Phone (910) 642-8164

2131 S 17th St
Wilmington, NC 28401
Phone (910) 342-3000

2221 S 17th St
Wilmington, NC 28401
Phone (910) 662-7720

3360 Route 343
Amenia, NY 12501
Phone (845) 373-9006

1080 Sunrise Hwy
Amityville, NY 11701
Phone (631) 716-9026

2112 Middle Country Rd
Centereach, NY 11720
Phone (631) 247-7463

600 Northern Blvd
Ste 106
Great Neck, NY 11021
Phone (516) 466-4128

4150 Sunrise Hwy
Massapequa, NY 11758
Phone (516) 393-1000

245 Old Country Rd
Melville, NY 11747
Phone (631) 465-6141

1000 N Village Ave
Rockville Ctr, NY 11570
Phone (516) 705-1012

100 Port Washington Blvd
Ste G3
Roslyn, NY 11576
Phone (516) 627-4800

1000 Montauk Hwy
West Islip, NY 11795
Phone (516) 705-2689

1556 Straight Path
Wyandanch, NY 11798
Phone (516) 214-8020

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

Interoperability endpoints

  • Direct secure messaging: myassa1650382@direct.novanthealth.org

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 1

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": "1433721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1561420800000",
    "number": "1922488618",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 MONTAUK HWY",
            "city": "WEST ISLIP",
            "state": "NY",
            "postal_code": "117954927",
            "telephone_number": "631-376-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4150 SUNRISE HWY",
            "city": "MASSAPEQUA",
            "state": "NY",
            "postal_code": "117585303",
            "telephone_number": "516-393-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Montauk Hwy",
            "address_purpose": "LOCATION",
            "city": "West Islip",
            "state": "NY",
            "postal_code": "117954927",
            "country_code": "US",
            "telephone_number": "631-376-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YASSA",
        "first_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-06-08",
        "last_updated": "2019-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "NY",
            "license": "298557",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Massapequa, NY

Sources for this page

Verify at the official NPI Registry.