Individual provider Active NPI

Rachelle Bitton, MD

  • Endocrinology, Diabetes & Metabolism Physician
  • Lake Success, NY
National Provider Identifier
1770538548
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
147388 Issued in NY
Practice address
2800 Marcus Ave
Lake Success, NY 11042-1008
Phone
(516) 390-5760
Fax
(516) 354-0926
NPI assigned
May 23, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 147388 NY Primary

Addresses

Primary practice location

2800 Marcus Ave
Lake Success, NY 11042-1008

Mailing address

2800 Marcus Ave
Lake Success, NY 11042-1008
Phone (516) 390-5760

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
I20100106000071 NY Practitioner - Endocrinology 8921149493 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
State University of New York Downstate Medical Center, 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Optum Medical Care PCGroup PAC ID 9931013240, 1,013 clinicians

Practice addresses (Care Compare)

90 S Bedford Rd
Mount Kisco, NY 10549-3412
Phone (914) 241-1050

Hospital & facility affiliations

  • North Shore University Hospital Hospital, Manhasset, NY, CCN 330106

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Optum Medical Care, P.C. CurrentSince Sep 1, 2022 Accepting new patients
Optum Medical Care, P.C. Endocrinology, Diabetes & Metabolism CurrentSince Sep 1, 2022 Accepting new patients
Optum Urgent Care, PLLC Past Accepting new patients
New York University Past Accepting new patients
Mount Kisco Medical Group Endocrinology, Diabetes & Metabolism Past Accepting new patients

Locations

90 S Bedford Rd
Mount Kisco, NY 10549
Phone (914) 242-1050

110 S Bedford Rd
Mount Kisco, NY 10549
Phone (763) 910-9192

Philadelphia, PA 19195

Interoperability endpoints

  • Direct secure messaging: rbitton18429@direct.optum.com

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 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": "1148342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770538548",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2800 MARCUS AVE",
            "city": "LAKE SUCCESS",
            "state": "NY",
            "postal_code": "110421008",
            "telephone_number": "516-390-5760",
            "fax_number": "516-354-0926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 MARCUS AVE",
            "city": "LAKE SUCCESS",
            "state": "NY",
            "postal_code": "110421008",
            "telephone_number": "516-390-5760",
            "fax_number": "516-354-0926"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BITTON",
        "first_name": "RACHELLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NY",
            "license": "147388",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lake Success, NY

Sources for this page

Verify at the official NPI Registry.