Individual provider Active NPI

Stefanie Lauren Ehrlein, AGPCNP-BC, RN

  • Adult Health Nurse Practitioner
  • Mount Sinai, NY
National Provider Identifier
1639758923
Registry record updated May 7, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
309719 Issued in NY
Practice address
5499 Nesconset Hwy
Mount Sinai, NY 11766-2063
Phone
(631) 928-2600
NPI assigned
Apr 5, 2021
Last updated
May 7, 2021By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X 558789 NY
Adult Health Nurse Practitioner 363LA2200X 309719 NY Primary

Addresses

Primary practice location

5499 Nesconset Hwy
Mount Sinai, NY 11766-2063

Mailing address

5499 Nesconset Hwy
Mount Sinai, NY 11766-2063
Phone (631) 928-2600

Other practice location 1

243 Boyle Rd
Selden, NY 11784-1929
Phone (631) 696-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210503001333 NY Practitioner - Nurse Practitioner 4284043340 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
North Shore Hematology Oncology Associates PCGroup PAC ID 1456243641, 474 clinicians

Practice addresses (Care Compare)

129 Sunrise Hwy W
Patchogue, NY 11772-1846
Phone (631) 230-5775

48 Route 25a
Smithtown, NY 11787-1431
Phone (631) 751-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.33 of 100Reported as group
Quality
82.1
Promoting interoperability
100
Improvement activities
40
Cost
72.34

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
558789NYMDRegistered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Internal Medicine Associates, PC CurrentSince May 6, 2021 Accepting new patients
North Shore Hematology Oncology Associates PC CurrentSince Nov 10, 2025 Accepting new patients
Internal Medicine Associates, PC CurrentSince May 6, 2021 Accepting new patients
City Medical of Upper East Side, PLLC CurrentSince Mar 1, 2022 Accepting new patients
City Medical of Upper East Side, PLLC Current Accepting new patients
City Medical of Upper East Side, PLLC CurrentSince Mar 1, 2022 Accepting new patients
City Medical of Upper East Side, PLLC Past Accepting new patients

Locations

2248 31st St
Astoria, NY 11105
Phone (718) 267-1333

3111 Steinway St
Astoria, NY 11103
Phone (718) 475-2345

25710 Union Tpke
Glen Oaks, NY 11004
Phone (718) 343-7200

3016 30th Dr
Long Island City, NY 11102
Phone (718) 728-3376

5499 Route 347
Mount Sinai, NY 11766
Phone (631) 331-3910

336 E 86th St
New York, NY 10028
Phone (212) 772-3627

21422 73rd Ave
Oakland Gdns, NY 11364
Phone (718) 347-3500

129 Sunrise Hwy W
Patchogue, NY 11772
Phone (631) 230-5774

1500 Route 112
Bldg 4
Port Jefferson Station, NY 11776
Phone (631) 574-8354

243 Boyle Rd
Selden, NY 11784
Phone (631) 320-1247

48 Route 25A
Smithtown, NY 11787
Phone (631) 862-3540

Networks

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

Interoperability endpoints

  • Direct secure messaging: stefanie.ehrlein.1@2983.direct.athenahealth.com

Organizations & group practices 7

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 3

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": "1617580800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1620345600000",
    "number": "1639758923",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5499 NESCONSET HWY",
            "city": "MOUNT SINAI",
            "state": "NY",
            "postal_code": "117662063",
            "telephone_number": "631-928-2600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5499 NESCONSET HWY",
            "city": "MOUNT SINAI",
            "state": "NY",
            "postal_code": "117662063",
            "telephone_number": "631-928-2600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "243 Boyle Rd",
            "address_purpose": "LOCATION",
            "city": "Selden",
            "state": "NY",
            "postal_code": "117841929",
            "country_code": "US",
            "telephone_number": "631-696-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EHRLEIN",
        "first_name": "STEFANIE",
        "middle_name": "LAUREN",
        "name_prefix": "Ms.",
        "credential": "AGPCNP-BC, RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-05",
        "last_updated": "2021-05-07",
        "certification_date": "2021-04-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "NY",
            "license": "558789",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NY",
            "license": "309719",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Mount Sinai, NY

Sources for this page

Verify at the official NPI Registry.