Individual provider Active NPI

Lyndsay Ellen Massey, MD

  • Emergency Medicine Physician
  • Stony Brook, NY
National Provider Identifier
1386147155
Registry record updated Jun 8, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
S9029 Issued in TX
Practice address
101 Nicolls Rd
Stony Brook, NY 11794-0001
Phone
(631) 689-8333
NPI assigned
Mar 17, 2018
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 8, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X S9029 TX Primary

Addresses

Primary practice location

101 Nicolls Rd
Stony Brook, NY 11794-0001

Mailing address

618 Worcester Way
Richardson, TX 75080-3347
Phone (832) 350-4690

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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
I20210713004085 TX Practitioner - Emergency Medicine 2668709346 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Century Integrated Partners, IncGroup PAC ID 6406151703, 330 clinicians

Practice addresses (Care Compare)

3500 Gaston Ave
Dallas, TX 75246-2017
Phone (214) 820-0111

Hospital & facility affiliations

  • Baylor Scott & White Medical Center- Waxahachie Hospital, Waxahachie, TX, CCN 450372
  • North Central Surgical Center LLP Hospital, Dallas, TX, CCN 670049

Merit-based Incentive Payment System (MIPS)

Final score
99.43 of 100Reported as group
Quality
93.73
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
S9029TXMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Scott & White Hospital - Taylor Emergency Medicine CurrentSince Jun 13, 2025 Accepting new patients
Acclaim Physician Group, Inc CurrentSince Jul 15, 2021 Accepting new patients
Scott & White Hospital - Taylor Current Accepting new patients
Integrative Emergency Services Physician Group PA Emergency Medicine CurrentSince Jul 15, 2021 Accepting new patients
Century Integrated Partners, Inc Emergency Medicine CurrentSince Jul 15, 2021 Accepting new patients

Locations

3500 Gaston Ave
Dallas, TX 75246

1500 S Main St
Fl 1
Ft Worth, TX 76104
Phone (817) 702-1451

1500 S Main St
Ft Worth, TX 76104
Phone (817) 921-3431

1575 S Main St
Ft Worth, TX 76104
Phone (817) 702-8828

1400 8th Ave
Ft Worth, TX 76104
Phone (817) 922-1559

2600 E Pflugerville Pkwy
Ste 100
Pflugerville, TX 78660
Phone (512) 654-6100

4700 Alliance Blvd
#P
Plano, TX 75093
Phone (469) 814-2000

305 Mallard Ln
Taylor, TX 76574
Phone (512) 352-7611

Organizations & group practices 5

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.

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": "1521244800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1623110400000",
    "number": "1386147155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "618 WORCESTER WAY",
            "city": "RICHARDSON",
            "state": "TX",
            "postal_code": "750803347",
            "telephone_number": "832-350-4690"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 NICOLLS RD",
            "city": "STONY BROOK",
            "state": "NY",
            "postal_code": "117940001",
            "telephone_number": "631-689-8333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSEY",
        "first_name": "LYNDSAY",
        "middle_name": "ELLEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-17",
        "last_updated": "2021-06-08",
        "certification_date": "2021-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "S9029",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stony Brook, NY

Sources for this page

Verify at the official NPI Registry.