Individual provider Active NPI

Lewen Stempler, M.D.

  • Nuclear Medicine Physician
  • New York, NY
National Provider Identifier
1518303247
Registry record updated Oct 23, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nuclear Medicine PhysicianTaxonomy code 207U00000X
License
299842 Issued in NY
Practice address
1 Gustave L Levy PL
Box 1141, Mount Sinai Medical Center
New York, NY 10029-6574
Phone
(212) 241-6500
Fax
(212) 241-2851
NPI assigned
May 21, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 23, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nuclear Medicine Physician 207U00000X 299842 NY Primary

Addresses

Primary practice location

1 Gustave L Levy PL
Box 1141, Mount Sinai Medical Center
New York, NY 10029-6574

Mailing address

1 Gustave L Levy PL
Box 1141, Mount Sinai Medical Center
New York, NY 10029-6574
Phone (212) 241-6500

Other names 1

  • Dr. Lewen Cai Former name

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20191105002267 NY Practitioner - Nuclear Medicine 6507198819 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nuclear Medicine
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Fpa Hospital BasedGroup PAC ID 4789826694, 423 clinicians
The New York Proton CenterGroup PAC ID 2466780218, 45 clinicians

Practice addresses (Care Compare)

1 Gustave L Levy PL
New York, NY 10029-6504
Phone (212) 241-6426

100 TH St and Madison Ave
New York, NY 10029-6503
Phone (212) 241-6500

1000 10TH Ave
New York, NY 10019-1147
Phone (212) 241-6426

1111 Amsterdam Ave
New York, NY 10025-1716
Phone (212) 241-6426

1176 5TH Ave
New York, NY 10029-6503
Phone (212) 241-8395

1440 Madison Ave
New York, NY 10029-6508
Phone (212) 241-8460

1468 Madison Ave
New York, NY 10029-6508
Phone (212) 241-8333

1470 Madison Ave
New York, NY 10029-6542
Phone (212) 241-8426

225 E 126TH St
New York, NY 10035-1406
Phone (646) 968-9064

2510 30TH Ave
Long Island City, NY 11102-2448
Phone (718) 267-4390

2520 30TH Ave
Long Island City, NY 11102-2448
Phone (718) 267-4230

325 W 15TH St
New York, NY 10011-5903
Phone (212) 604-6009

3712 82ND St
Jackson Heights, NY 11372-7028
Phone (718) 879-1600

425 W 59TH St
New York, NY 10019-8022
Phone (212) 241-8333

5 E 98TH St
New York, NY 10029-6501

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Fpa Hospital Based CurrentSince Dec 1, 2019 Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Jul 31, 2025 Accepting new patients
North Shore Medical Group of the Mount Sinai School of Medicine CurrentSince Sep 15, 2021 Accepting new patients
The New York Proton Center CurrentSince Mar 1, 2021 Accepting new patients
North Shore Medical Group of the Mount Sinai School of Medicine CurrentSince Sep 15, 2021 Accepting new patients
Icahn School of Medicine at Mount Sinai CurrentSince Jul 31, 2025 Accepting new patients
Fpa Hospital Based CurrentSince Dec 1, 2019 Accepting new patients
Fpa Hospital Based Nuclear Medicine Current Accepting new patients
Mount Sinai School of Medicine Past Accepting new patients

Locations (25 of 27)

2520 30th Ave
#4
Astoria, NY 11102

3201 Kings Hwy
Brooklyn, NY 11234
Phone (718) 252-3000

3131 Kings Hwy
Ste A4
Brooklyn, NY 11234
Phone (718) 758-1500

300 Cadman Plz W
Fl 18
Brooklyn, NY 11201
Phone (929) 210-6000

5 Cuba Hill Rd
Greenlawn, NY 11740
Phone (631) 628-5000

325 Park Ave
Huntington, NY 11743
Phone (631) 351-3700

3712 82nd St
Jackson Hts, NY 11372
Phone (718) 879-1600

2510 30th Ave
Long Island City, NY 11102
Phone (718) 267-4245

1468 Madison Ave
#175
New York, NY 10029
Phone (212) 241-8333

310 E 14th St
New York, NY 10003
Phone (212) 979-4000

1176 5th Ave
Lbby
New York, NY 10029

1111 Amsterdam Ave
New York, NY 10025
Phone (212) 523-2309

225 E 126th St
New York, NY 10035
Phone (646) 813-1880

325 W 15th St
New York, NY 10011
Phone (212) 523-5938

787 11th Ave
#7
New York, NY 10019

17 E 102nd St
#Stste6D
New York, NY 10029

1470 Madison Ave
New York, NY 10029
Phone (212) 241-0806

1176 5th Ave
New York, NY 10029
Phone (212) 241-6237

425 W 59th St
Ste 6C
New York, NY 10019
Phone (212) 523-7786

10 Union Sq E
New York, NY 10003
Phone (212) 253-6800

1090 Amsterdam Ave
Fl 3
New York, NY 10025
Phone (212) 523-8333

9901 Queens Blvd
Rego Park, NY 11374
Phone (718) 268-4500

341 Central Park Ave
Scarsdale, NY 10583
Phone (718) 676-5309

1441 South Ave
Staten Island, NY 10314
Phone (332) 243-6900

11 Ralph Pl
Ste 201
Staten Island, NY 10304
Phone (718) 556-6565

Networks

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

Organizations & group practices 9

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 11

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": "1369094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1571788800000",
    "number": "1518303247",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L LEVY PL",
            "address_2": "BOX 1141, MOUNT SINAI MEDICAL CENTER",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296574",
            "telephone_number": "212-241-6500",
            "fax_number": "212-241-2851"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 GUSTAVE L LEVY PL",
            "address_2": "BOX 1141, MOUNT SINAI MEDICAL CENTER",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100296574",
            "telephone_number": "212-241-6500",
            "fax_number": "212-241-2851"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEMPLER",
        "first_name": "LEWEN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-05-21",
        "last_updated": "2019-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207U00000X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine",
            "state": "NY",
            "license": "299842",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LEWEN",
            "last_name": "CAI",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.